predicate
predicate in 30 Seconds
- The predicate is the part of a sentence that contains the verb and provides information about the subject's action or state.
- Every complete sentence must have a predicate; without one, the group of words is considered a sentence fragment.
- A predicate can be a single verb (simple predicate) or a verb with all its modifiers and objects (complete predicate).
- In logic and computer science, a predicate refers to a statement or function that determines if a condition is true or false.
The term predicate is a fundamental pillar of grammatical architecture, serving as the functional counterpart to the subject within a clause. In its most essential form, the predicate is the portion of a sentence that provides information about the subject, typically asserting an action, a state of being, or a quality. Without a predicate, a sentence remains a mere fragment, a naming of an entity without any context or narrative progression. When people use the word 'predicate' in a linguistic or educational context, they are referring to the engine of the sentence—the part that actually 'does' the talking about the subject.
- The Core Function
- The primary role of a predicate is to complete the thought initiated by the subject. If the subject is 'The cat,' the predicate might be 'is sleeping' or 'caught a mouse.' It provides the 'what happened' or 'what is' to the 'who' or 'what' of the subject.
The structural integrity of a sentence relies on the predicate to deliver the message.
In formal education, students encounter this term early on to help them decompose sentences into logical units. Teachers use it to explain how verbs interact with objects and complements. Beyond the classroom, the term is frequently used by writers, editors, and linguists to analyze the clarity and flow of prose. For instance, a 'weak predicate' might refer to a sentence where the verb is buried or lacks impact, prompting a revision for stronger, more active language. In technical fields like computer science and logic, 'predicate' takes on a slightly different but related meaning, referring to a statement or function that returns a true or false value based on its input, essentially 'predicating' a property of that input.
- Simple vs. Complete
- A simple predicate is just the main verb or verb phrase. A complete predicate includes the verb and all its modifiers, objects, and phrases that tell us more about the action or state.
The ancient trees swayed gently in the midnight breeze.
Understanding the predicate is crucial for mastering complex sentence structures, such as compound and complex sentences. In a compound predicate, a single subject performs multiple actions, such as 'The athlete ran the race and won the gold medal.' Here, 'ran the race and won the gold medal' is the compound predicate. This concept allows for more sophisticated and efficient communication, reducing the need for repetitive subject naming. In everyday conversation, we don't often use the word 'predicate' itself, but we are constantly constructing them. Every time you say 'I am hungry' or 'The bus is late,' you are utilizing a predicate to convey your reality. The term serves as a meta-label for this essential communicative act.
- Logical Predicates
- In logic, a predicate is a property or relation attributed to an object. For example, in 'Socrates is mortal,' 'is mortal' is the predicate attributed to the subject Socrates.
Every valid argument must have a clearly defined predicate.
The software uses a predicate to sort the data.
Grammar books define the predicate as the verb-led part of the clause.
Ultimately, the predicate is about action and existence. It is the part of the sentence that moves the story forward or defines the state of the world. By focusing on the predicate, learners can improve their verb choice, ensure their sentences are complete, and better understand the relationship between different parts of speech. Whether you are analyzing a Shakespearean sonnet or writing a technical manual, the predicate remains the indispensable vehicle for your assertions and descriptions.
Using the word predicate correctly requires an understanding of its context, whether you are discussing grammar, logic, or computer science. As a noun in grammar, it identifies a specific structural component. To use it effectively, you might say, 'The student struggled to identify the predicate in the complex sentence.' This usage highlights the term as a label for a linguistic category. When writing about sentence structure, you can use 'predicate' to distinguish between the 'who' (subject) and the 'what' (predicate). For example, 'In the sentence "The rain fell softly," the predicate is "fell softly."'
- Identifying the Simple Predicate
- When you want to isolate the core action, you refer to the simple predicate. Example: 'The simple predicate of "The children played in the park" is "played."'
The predicate must agree with the subject in number.
In more advanced grammatical discussions, you might refer to 'compound predicates.' This occurs when a subject is paired with two or more verbs. For instance, 'The chef chopped the vegetables and simmered the sauce.' Here, you would explain that 'chopped the vegetables and simmered the sauce' constitutes the compound predicate. Using the term in this way demonstrates a sophisticated grasp of syntax. Furthermore, you can use the word to discuss sentence variety. 'Varying the length and complexity of your predicates can make your writing more engaging for the reader,' is a common piece of advice in composition classes.
- Predicate Nominatives and Adjectives
- These are specific types of predicates that follow linking verbs. Example: 'In "She is a doctor," "doctor" is a predicate nominative because it renames the subject.'
The complete predicate provides a full picture of the action.
In the realm of logic and philosophy, the word 'predicate' is used to describe properties. You might write, 'The philosopher argued that "existence" is not a real predicate.' This refers to the idea that saying something exists doesn't add a descriptive quality to it in the same way 'is red' or 'is tall' does. This usage is more abstract but follows the same basic principle of something being 'said of' a subject. Similarly, in computer programming, you might use the term when defining search criteria: 'The filter function requires a predicate to determine which items to include in the results.' Here, the predicate is a condition that must be met.
- Technical Application
- In database queries, a predicate is the part of a search expression that specifies a condition. Example: 'The WHERE clause contains the predicate for the SQL query.'
A well-formed predicate is essential for logical consistency.
The verb 'to be' often introduces a predicate adjective.
Linguists use the term predicate to describe the comment in a topic-comment structure.
When teaching others, you can use 'predicate' to help them identify sentence fragments. You might say, 'This group of words is a fragment because it lacks a predicate.' This provides a clear, technical reason for the error. In summary, whether you are identifying the verb in a simple sentence, discussing the properties of an object in a logic class, or writing code to filter a list, the word 'predicate' serves as a precise tool for describing the part of a statement that makes an assertion or defines a condition. Its versatility across disciplines makes it a valuable addition to any academic or professional vocabulary.
While 'predicate' isn't a word you'll typically hear shouted across a crowded sports stadium or whispered in a casual coffee shop conversation, it is a staple in specific professional and academic environments. The most common place to hear it is in an English or Language Arts classroom. Teachers from elementary school through university level use it to explain the mechanics of language. You might hear a teacher say, 'Now, class, let's identify the complete predicate in this sentence from the novel.' In this setting, it is a foundational piece of terminology used to build literacy and writing skills.
- Academic Settings
- In linguistics lectures, professors discuss the 'predicate-argument structure' to describe how verbs relate to the nouns they govern. This is a more advanced use of the term.
The professor explained the predicate logic behind the theorem.
Another major arena for the word 'predicate' is the field of computer science and software engineering. If you are sitting in a development sprint or a code review, you might hear a programmer say, 'We need to pass a predicate to the filter method to get the correct subset of data.' In this context, they aren't talking about grammar; they are talking about a function that evaluates to true or false. It's a very common term in functional programming languages like Haskell, Scala, or even modern Java and JavaScript. Hearing 'predicate' in a tech office usually signals a discussion about logic, data manipulation, or search algorithms.
- Legal and Logical Discourse
- In legal contexts, a 'predicate offense' is a crime that is a component of a larger crime. For example, a racketeering charge might be based on several predicate offenses like bribery or extortion.
The prosecutor listed the predicate acts required for the conviction.
You might also encounter the word in philosophy or formal logic discussions. Philosophers use 'predicate' when analyzing the nature of propositions. You might hear a debate about whether 'goodness' is a natural predicate or a non-natural one. In these high-level intellectual circles, the word is used with extreme precision to dissect the way we attribute qualities to things. Additionally, in the world of standardized testing (like the SAT, GRE, or LSAT), the term often appears in the instructions or the analysis of reading passages, where test-takers are expected to understand the logical structure of arguments and sentences.
- Standardized Testing
- Grammar sections of exams often ask students to identify the relationship between the subject and the predicate to find errors in agreement or structure.
The exam question focused on the predicate of the third sentence.
The judge asked the lawyer to establish the predicate for the witness's testimony.
In logic class, we learned that a predicate expresses a property of an individual.
Finally, you might see the word in style guides or writing manuals. Editors often talk about 'predicate-heavy' sentences, which can be difficult to read, or 'dangling predicates,' where the intended subject is missing or unclear. In these cases, 'predicate' is a tool for improving the quality and clarity of written communication. So, while it's not a 'street-level' word, it is an essential part of the vocabulary for anyone involved in teaching, writing, coding, law, or philosophy. It is a word of analysis and structure, used whenever we need to look under the hood of how we express ideas and facts.
One of the most frequent mistakes people make regarding the predicate is confusing it with the object of the sentence. While the object is often *part* of the complete predicate, it is not the predicate itself. For example, in 'The boy kicked the ball,' many learners mistakenly identify 'the ball' as the predicate. In reality, the predicate is 'kicked the ball.' The predicate must include the verb because the verb is the core of the assertion being made. Without the verb, you just have two nouns ('boy' and 'ball') without any relationship between them.
- The Missing Verb Error
- A common mistake in identifying predicates is stopping before the verb or starting after it. A predicate *must* contain the verb. 'The cat on the mat' is not a predicate; it's a noun phrase.
Confusing the object with the predicate is a common hurdle for beginners.
Another common error is failing to identify the 'complete predicate' in a complex sentence. Students often identify only the 'simple predicate' (the verb) and ignore the modifiers and phrases that follow. In the sentence 'The exhausted runner collapsed onto the cool grass,' the simple predicate is 'collapsed,' but the complete predicate is 'collapsed onto the cool grass.' Ignoring the rest of the predicate loses the full meaning of the sentence. Conversely, some people include the subject in the predicate, which is also incorrect. The subject and predicate are mutually exclusive parts of a simple clause; they work together but do not overlap.
- Subject-Predicate Agreement
- A very common writing mistake is a mismatch between the subject and the verb within the predicate. 'The group of students are going' is incorrect because the predicate 'are going' doesn't agree with the singular subject 'group.'
Ensure the verb in your predicate matches the subject's number.
In the context of logic or programming, a common mistake is creating a predicate that is too broad or too narrow. For example, if you are writing a predicate to filter 'even numbers' but your logic accidentally includes 'zero' when it shouldn't, your predicate is flawed. In programming, 'predicate' refers to a condition, and a logical error in that condition is a 'bug.' People also sometimes confuse 'predicate' with 'precedent' (something that came before) or 'prediction' (a statement about the future). While they sound somewhat similar and all involve 'saying' or 'doing' something, they have very different meanings in a technical or grammatical sense.
- Confusing Predicate with Precedent
- A 'precedent' is a previous example used as a guide. A 'predicate' is a part of a sentence. They are not interchangeable.
Don't let the similar sounds of predicate and precedent confuse you.
A sentence fragment is often just a subject without a predicate.
The predicate 'is blue' cannot be applied to the concept of 'justice' in a literal sense.
Finally, a subtle mistake is overcomplicating the predicate to the point where the subject is lost. This is known as 'predicate bloat.' While a complete predicate *can* be long, if it contains too many nested clauses and prepositional phrases, the reader might forget who or what the subject was by the time they reach the end. Good writing balances the weight of the subject and the predicate. By avoiding these common pitfalls—confusing objects with predicates, omitting the verb, failing to match subject and verb, or over-complicating the structure—you can use the concept of the predicate to significantly improve both your grammatical analysis and your actual writing.
When discussing the predicate, it's helpful to know related terms that might be used in similar contexts or as more specific alternatives. In general grammar, the most common 'near-synonym' is the verb phrase. While not identical (a predicate can include more than just the verb phrase, such as objects and adverbs), they are often used interchangeably in casual grammatical discussion. If you are looking for a simpler way to explain it to a child, you might use terms like the 'action part' or the 'telling part' of the sentence. These aren't technical terms, but they capture the essence of what a predicate does.
- Predicate vs. Verb Phrase
- A verb phrase is just the verb and its auxiliaries (e.g., 'has been eating'). A predicate is the entire portion of the clause that describes the subject (e.g., 'has been eating apples all morning').
The predicate is broader than a simple verb phrase.
In the field of linguistics, you might hear the term comment. This comes from the 'topic-comment' framework, where the 'topic' is what the sentence is about (similar to the subject) and the 'comment' is what is being said about that topic (the predicate). This is particularly useful when analyzing languages like Japanese or Chinese, where the grammatical subject isn't always as clearly defined as in English. Another related term is assertion. In logic, a predicate makes an assertion about a subject. While 'assertion' refers to the act of stating something, 'predicate' refers to the specific part of the statement that does the asserting.
- Attribute and Property
- In philosophy and logic, 'attribute' or 'property' are often used as synonyms for what a predicate expresses. If the predicate is 'is red,' the property being attributed is 'redness.'
Linguists often use 'comment' as a synonym for predicate in discourse analysis.
In computer science, alternatives to 'predicate' include boolean function, condition, or filter criteria. If you tell a fellow programmer, 'The condition for this loop is...', they will understand you just as well as if you said, 'The predicate for this loop is...' However, 'predicate' is the more formal and precise term in functional programming. In legal contexts, 'foundation' or 'basis' might be used instead of 'predicate' when talking about the requirements for evidence. For example, 'You haven't laid the foundation for this testimony' means the same as 'You haven't established the predicate for this testimony.'
- Comparison: Predicate vs. Complement
- A complement is a specific part of a predicate that completes the meaning of the verb. All complements are part of the predicate, but not all parts of the predicate are complements.
The predicate contains the verb and its complements.
A 'boolean' in coding is the result of a predicate evaluation.
In logic, the predicate is the part of the proposition that is affirmed or denied.
Understanding these alternatives helps you navigate different fields. If you're in a grammar class, stick with 'predicate.' If you're writing a logic paper, you might use 'property' or 'attribute.' If you're coding, 'condition' is fine, but 'predicate' will make you sound more experienced. Each of these words emphasizes a slightly different aspect of the same core concept: the part of a statement that provides the 'content' or 'condition' regarding a subject. By knowing when to use 'predicate' and when to use an alternative, you can communicate more precisely and adapt to the specific 'language' of the field you are working in.
How Formal Is It?
Fun Fact
The word 'predicate' shares the same root as 'preach'. Both come from the idea of speaking out or declaring something publicly.
Pronunciation Guide
- Pronouncing the final syllable like 'kate' (as in the verb form 'to predicate'). For the noun, it should be 'kuht'.
- Putting the stress on the second syllable.
- Confusing the pronunciation with 'predict'.
Difficulty Rating
The word itself is easy to read, but its meaning in complex texts requires grammatical knowledge.
Using the term 'predicate' correctly in academic writing shows a high level of linguistic awareness.
Rarely used in casual speech, but common in educational or technical discussions.
Learners need to distinguish it from 'predict' or 'precedent' when listening to lectures.
What to Learn Next
Prerequisites
Learn Next
Advanced
Grammar to Know
Subject-Verb Agreement
The verb within the predicate must match the number of the subject (e.g., 'He runs' vs. 'They run').
Complete Sentences
A complete sentence requires both a subject and a predicate to express a full thought.
Compound Predicates
Use a conjunction like 'and' or 'but' to join two verbs in a compound predicate without repeating the subject.
Linking Verbs
Linking verbs in a predicate connect the subject to a predicate nominative or adjective rather than showing an action.
Passive Voice
In a passive predicate, the subject receives the action rather than performing it (e.g., 'The cake was eaten').
Examples by Level
The dog barks.
Le chien aboie.
The word 'barks' is the predicate. It tells us what the dog does.
I am happy.
Je suis heureux.
'am happy' is the predicate. It describes the subject 'I'.
Birds fly.
Les oiseaux volent.
The verb 'fly' is the simple predicate.
She runs fast.
Elle court vite.
'runs fast' is the complete predicate.
The water is cold.
L'eau est froide.
'is cold' is the predicate telling us about the water.
We play games.
Nous jouons à des jeux.
'play games' is the predicate.
He sleeps.
Il dort.
A single verb can be a predicate.
The sun shines.
Le soleil brille.
'shines' is the predicate.
The cat sits on the mat.
Le chat est assis sur le tapis.
The complete predicate is 'sits on the mat'.
My brother plays the guitar.
Mon frère joue de la guitare.
'plays the guitar' is the predicate.
The flowers smell lovely.
Les fleurs sentent bon.
'smell lovely' is the predicate.
We visited the museum yesterday.
Nous avons visité le musée hier.
The predicate includes the verb and the time 'yesterday'.
She bought a new dress.
Elle a acheté une nouvelle robe.
'bought a new dress' is the predicate.
The train arrives at noon.
Le train arrive à midi.
The predicate is 'arrives at noon'.
They are eating dinner now.
Ils dînent maintenant.
'are eating dinner now' is the predicate.
The teacher wrote on the board.
Le professeur a écrit au tableau.
The predicate is 'wrote on the board'.
The scientist discovered a new species.
Le scientifique a découvert une nouvelle espèce.
The complete predicate is 'discovered a new species'.
Our team won the championship last year.
Notre équipe a remporté le championnat l'année dernière.
The predicate includes the verb, object, and time phrase.
The movie was incredibly exciting.
Le film était incroyablement excitant.
'was incredibly exciting' is the predicate.
She decided to study medicine in London.
Elle a décidé d'étudier la médecine à Londres.
The predicate starts with the verb 'decided'.
The company launched a successful marketing campaign.
L'entreprise a lancé une campagne de marketing réussie.
The predicate is 'launched a successful marketing campaign'.
He repaired the broken window himself.
Il a réparé la fenêtre cassée lui-même.
The predicate is 'repaired the broken window himself'.
The children were playing quietly in the garden.
Les enfants jouaient tranquillement dans le jardin.
'were playing quietly in the garden' is the predicate.
The cake tastes delicious.
Le gâteau est délicieux.
'tastes delicious' is the predicate using a linking verb.
The government implemented new policies to reduce pollution.
Le gouvernement a mis en œuvre de nouvelles politiques pour réduire la pollution.
The complete predicate is 'implemented new policies to reduce pollution'.
The author explores themes of isolation and identity.
L'auteur explore les thèmes de l'isolement et de l'identité.
The predicate is 'explores themes of isolation and identity'.
The witness provided a detailed account of the incident.
Le témoin a fourni un récit détaillé de l'incident.
The predicate is 'provided a detailed account of the incident'.
The economy is expected to grow significantly next quarter.
L'économie devrait croître de manière significative au prochain trimestre.
The predicate is 'is expected to grow significantly next quarter'.
She has been working tirelessly on her research project.
Elle a travaillé sans relâche sur son projet de recherche.
The predicate uses the present perfect continuous tense.
The technology allows users to communicate in real-time.
La technologie permet aux utilisateurs de communiquer en temps réel.
The predicate is 'allows users to communicate in real-time'.
The manager praised the staff for their hard work.
Le manager a félicité le personnel pour son travail acharné.
The predicate is 'praised the staff for their hard work'.
The building was designed by a world-renowned architect.
Le bâtiment a été conçu par un architecte de renommée mondiale.
This is a passive predicate: 'was designed by a world-renowned architect'.
The findings of the study predicate a need for further investigation.
Les conclusions de l'étude impliquent la nécessité d'une enquête plus approfondie.
Here, 'predicate' is used as a verb meaning to imply or base upon.
The philosopher argued that morality is not a simple predicate.
Le philosophe a soutenu que la moralité n'est pas un simple prédicat.
Used as a noun in a philosophical/logical context.
The software uses a complex predicate to filter the database entries.
Le logiciel utilise un prédicat complexe pour filtrer les entrées de la base de données.
Used in a computer science context to mean a logical condition.
The poem's beauty is predicated on its intricate use of metaphor.
La beauté du poème repose sur son utilisation complexe de la métaphore.
The verb form 'predicated on' means based on.
Linguists analyze the predicate-argument structure of the sentence.
Les linguistes analysent la structure prédicat-argument de la phrase.
Technical linguistic usage of the noun 'predicate'.
The legal case was built on several predicate offenses.
L'affaire judiciaire reposait sur plusieurs infractions sous-jacentes.
In law, a 'predicate offense' is a component of a larger crime.
The speaker's argument lacked a clear logical predicate.
L'argument de l'orateur manquait d'un prédicat logique clair.
Refers to the logical assertion being made.
The artist's style is often characterized by bold, expressive predicates.
Le style de l'artiste est souvent caractérisé par des prédicats audacieux et expressifs.
Metaphorical use in art criticism to describe visual 'assertions'.
The ontological argument posits that existence is a necessary predicate of God.
L'argument ontologique pose que l'existence est un prédicat nécessaire de Dieu.
High-level philosophical usage regarding the properties of a subject.
The syntactic analysis revealed a complex nested predicate structure.
L'analyse syntaxique a révélé une structure de prédicat imbriquée complexe.
Technical linguistic analysis of sentence components.
His entire worldview was predicated upon a fundamental distrust of authority.
Toute sa vision du monde était fondée sur une méfiance fondamentale envers l'autorité.
Common C2-level verb usage: 'predicated upon' (founded on).
The theorem's validity is dependent on the truth of its initial predicates.
La validité du théorème dépend de la vérité de ses prédicats initiaux.
Logical usage referring to the premises or conditions.
In this dialect, the nominal predicate often appears without a copula.
Dans ce dialecte, le prédicat nominal apparaît souvent sans copule.
Advanced linguistic term for a noun acting as a predicate.
The author utilizes 'predicate-fronting' to create a sense of archaic grandeur.
L'auteur utilise le 'fronting du prédicat' pour créer un sentiment de grandeur archaïque.
Refers to the stylistic inversion of subject and predicate.
The functional programming language relies heavily on predicate logic.
Le langage de programmation fonctionnel repose largement sur la logique des prédicats.
Technical computer science term.
The judge ruled that the predicate acts were insufficient to prove racketeering.
Le juge a statué que les actes de base étaient insuffisants pour prouver le racket.
Legal usage regarding component crimes.
Common Collocations
Common Phrases
— To find the part of the sentence that contains the verb and its modifiers.
The teacher asked the students to identify the predicate in each sentence.
— The two main parts of a sentence that together form a complete thought.
Every sentence needs a subject and a predicate to be grammatically correct.
— Based on or depending on something else.
His argument was predicated upon a false assumption.
— A structure where one subject is linked to multiple verbs.
She 'wrote the book and published it' is a compound predicate.
— The main verb or verb phrase without any modifiers.
In 'The dog barked loudly,' the simple predicate is 'barked'.
— The verb plus all its objects, complements, and modifiers.
In 'The dog barked loudly,' the complete predicate is 'barked loudly'.
— A formal system in logic used to represent and analyze propositions.
Predicate calculus is a foundational topic in symbolic logic.
— A noun or pronoun that follows a linking verb and renames the subject.
In 'He is a hero,' 'hero' is the predicate nominative.
— An adjective that follows a linking verb and describes the subject.
In 'The soup is hot,' 'hot' is the predicate adjective.
— An additional description of a subject or object during the main action.
In 'He ate the meat raw,' 'raw' is a secondary predicate.
Often Confused With
A verb meaning to say what will happen in the future. Predicate is a part of a sentence.
An earlier event or action that serves as an example or guide. Not related to sentence structure.
A word showing the relationship between a noun and another part of the sentence. Often part of a predicate, but not the same thing.
Idioms & Expressions
— Something that is built or based on a foundation of falsehood.
Their entire relationship was predicated on a lie.
Formal/Literary— The essential condition or foundation required for success.
Hard work is the necessary predicate of success in this field.
Formal— In law, establishing the necessary foundation for evidence to be admitted.
The attorney spent an hour laying the predicate for the expert's testimony.
Legal— A sentence where the action is vague or lacks impact.
The editor told me my sentences had weak predicates and needed stronger verbs.
Writing/Editing— Based on the specific reality or truth of a situation.
My decision is predicated upon the fact that we lack the necessary funds.
Formal— The core point or assertion of an argument.
If you lose the logical predicate, the whole argument falls apart.
Academic— To add more actions or descriptions to a single subject.
You can compound the predicate to make your writing more concise.
Grammatical— Moving the predicate to the beginning of the sentence for dramatic effect.
Poets often use fronting the predicate to change the rhythm of their lines.
Literary— A situation where the main action or point is absent.
His plan was all subject and no predicate—lots of talk, no action.
Metaphorical/Informal— A poetic way to describe the actions or qualities that define a person.
Kindness is the most beautiful predicate of the soul.
PoeticEasily Confused
Sounds like 'Predict'
Predicate is about the structure of a statement; Predict is about telling the future. You predicate a property, but you predict an event.
I can predict the weather, but I need a predicate to describe it.
Sounds like 'Precedent'
A precedent is a past example; a predicate is a current part of a sentence or logic. They are used in completely different contexts.
The judge looked for a precedent to support the predicate of his ruling.
Confusion with 'Verb'
A verb is a part of speech (a single word type). A predicate is a functional part of a sentence that *contains* a verb and its modifiers.
The verb is 'ate', but the predicate is 'ate the whole pizza'.
Confusion with 'Object'
The object is the thing being acted upon. The predicate is the action *plus* the object. The object is just a piece of the predicate.
In 'I see you', 'you' is the object, but 'see you' is the predicate.
Confusion with 'Attribute'
In logic, they are similar, but in grammar, 'attribute' usually refers to an adjective before a noun, while 'predicate' follows a verb.
The 'red' in 'red apple' is an attribute; in 'The apple is red', 'is red' is the predicate.
Sentence Patterns
Subject + Verb
The sun shines.
Subject + Verb + Object
I like coffee.
Subject + Verb + Adverbial Phrase
She walked slowly through the park.
Subject + Compound Predicate
The team analyzed the data and presented their findings.
Subject + Predicate with Nested Clauses
The theory, which was first proposed in 1920, predicates a change in behavior.
Predicate-Fronting
Bitter was the wind that blew across the moor.
Subject + Linking Verb + Predicate Adjective
The sky turned dark before the storm.
Subject + Passive Predicate
The decision was made by the board of directors.
Word Family
Nouns
Verbs
Adjectives
Related
How to Use It
Common in academic and technical writing; rare in casual conversation.
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Thinking the object is the predicate.
→
The predicate is the verb PLUS the object.
In 'I love you,' many think 'you' is the predicate. Actually, 'love you' is the complete predicate. The verb is essential.
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Leaving out the verb.
→
Every predicate must have a verb.
Writing 'The man in the store' is just a subject. You need a predicate like 'is shopping' to make it a sentence.
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Mismatched subject and predicate number.
→
The verb must agree with the subject.
Saying 'The dogs barks' is wrong because the plural subject 'dogs' needs the plural verb 'bark' in the predicate.
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Including the subject in the predicate.
→
The subject and predicate are separate parts.
When asked to identify the predicate, do not include the noun performing the action. Start at the verb.
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Confusing 'predicate' with 'predict'.
→
Use 'predicate' for structure and 'predict' for the future.
These words sound similar but have no grammatical connection. One is a label for a sentence part; the other is an action of guessing.
Tips
Find the Verb First
The easiest way to find the predicate is to locate the main verb. Everything from the verb to the end of the clause is usually the complete predicate.
Use Active Predicates
To make your writing more powerful, use active verbs in your predicates. Instead of 'The decision was made by us,' use 'We made the decision.'
Check Agreement
Always ensure the verb in your predicate matches your subject. Singular subjects need singular verbs; plural subjects need plural verbs.
Predicate as a Property
In logic, think of the predicate as a 'property' you are pinning onto an object. If the object is 'the ball' and the property is 'red,' the predicate is 'is red.'
Predicate Functions
When coding, remember that a predicate function should always return a true or false value. It's a 'yes/no' question for your data.
Avoid Bloat
If your predicate is too long, consider breaking the sentence into two. A clear subject-predicate relationship is easier for readers to understand.
Subject vs. Predicate
Think of the subject as the 'Star' of the show and the predicate as the 'Script' that tells us what the star is doing.
Vary Your Predicates
Mix simple predicates with compound ones to create a better rhythm in your writing and keep your audience interested.
Fix Fragments
If a sentence feels 'incomplete,' it's usually because it's missing a predicate. Add a verb and some detail to fix it.
Secondary Predicates
Experiment with secondary predicates like 'He painted the house white' to add more information without using extra sentences.
Memorize It
Mnemonic
Think of the 'P' in Predicate as standing for 'Part that provides the Point' about the subject. The subject is the person, and the predicate is the point.
Visual Association
Imagine a train. The locomotive (engine) is the subject, and all the cars behind it carrying the cargo are the predicate. The cargo is the information being delivered.
Word Web
Challenge
Write five sentences about your day. Then, underline the complete predicate in each one and circle the simple predicate (the main verb).
Word Origin
From the Latin 'praedicatum', which is the neuter past participle of 'praedicare', meaning 'to proclaim, declare, or announce'. It entered Middle English via Old French.
Original meaning: Something that is declared or asserted about a subject.
Indo-European (Latinate)Cultural Context
The term is purely technical and has no negative or sensitive connotations.
In English-speaking schools, 'Subject and Predicate' is one of the first formal grammar lessons children receive, usually around ages 7-9.
Practice in Real Life
Real-World Contexts
English Grammar Class
- Identify the complete predicate.
- Underline the simple predicate.
- Check for subject-predicate agreement.
- Is this a compound predicate?
Computer Programming
- Pass a predicate to the filter.
- The predicate returns a boolean.
- Define the search predicate.
- Is the predicate condition met?
Philosophy and Logic
- Analyze the logical predicate.
- The predicate expresses a property.
- Is existence a real predicate?
- Apply the predicate to the argument.
Legal Proceedings
- Establish the predicate for evidence.
- Prove the predicate offenses.
- The case lacks a factual predicate.
- Laying the foundation (predicate).
Writing and Editing
- Strengthen your predicates.
- Avoid predicate bloat.
- Fix the dangling predicate.
- Vary your predicate length.
Conversation Starters
"Do you remember learning about subjects and predicates in school, or did you find it confusing?"
"In your native language, is the predicate always at the end of the sentence or in the middle?"
"How would you explain the concept of a predicate to someone who has never studied grammar?"
"Have you ever used the word 'predicate' in a non-grammatical way, like in coding or logic?"
"Do you think understanding the structure of a predicate actually helps people become better writers?"
Journal Prompts
Reflect on a time when you struggled to express an action clearly. How could focusing on the predicate have helped?
Write about the 'predicates' of your life—the actions and qualities that define who you are today.
Compare the grammatical structure of English with another language you know. How do they handle predicates differently?
Describe a complex idea using only simple subjects and predicates. Is it easier or harder to communicate this way?
Think about the phrase 'predicated on a lie.' Write a short story or reflection about a situation where a foundation was false.
Frequently Asked Questions
10 questionsYes, a predicate can be a single verb. For example, in the sentence 'Jesus wept,' the word 'wept' is the entire predicate. This is called a simple predicate. It fulfills the requirement of telling us what the subject did.
A simple predicate is only the main verb or verb phrase (e.g., 'is running'). A complete predicate includes the verb and everything else that describes the action or state (e.g., 'is running very fast toward the finish line').
Yes, in standard English, every complete sentence must have a predicate. If it doesn't have a verb-led part that says something about the subject, it is a sentence fragment and is usually considered grammatically incorrect.
A compound predicate occurs when one subject is performing two or more actions. For example, in 'The cat meowed and ran away,' the phrase 'meowed and ran away' is a compound predicate because it contains two verbs for the same subject.
To find the predicate in a question, it's often easiest to turn the question into a statement first. For 'Are you coming?', the statement is 'You are coming.' The predicate is 'are coming.' In the question, the predicate is split by the subject.
A predicate nominative is a noun or pronoun that follows a linking verb (like 'be', 'become', 'seem') and renames the subject. In 'She is a doctor,' 'doctor' is the predicate nominative because it is another name for 'She'.
A predicate adjective is an adjective that follows a linking verb and describes the subject. In 'The flowers are beautiful,' 'beautiful' is the predicate adjective because it describes the 'flowers'.
Yes, this is called 'inversion' or 'predicate-fronting.' It is common in poetry or for dramatic effect. For example, 'Down fell the rain.' Here, 'Down fell' is the predicate appearing before the subject 'the rain'.
In formal or professional conversation, 'predicated on' means 'based on' or 'dependent on.' For example, 'Our success is predicated on your hard work' means 'Our success depends on your hard work.'
They are very similar, but a predicate is a functional category (what the part *does*), while a verb phrase is a formal category (what the part *is*). In many simple sentences, they cover the same words.
Test Yourself 180 questions
Write a sentence with a simple subject and a compound predicate.
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Identify the complete predicate in: 'The old man walked slowly down the street.'
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Write a sentence using 'predicate' as a verb.
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Explain the difference between a predicate nominative and a predicate adjective.
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Create a sentence where the predicate comes before the subject.
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Write a sentence with a predicate that includes a direct object and an adverb.
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Identify the simple predicate in: 'The students have been studying for three hours.'
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Write a sentence fragment and then fix it by adding a predicate.
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Use the phrase 'predicated upon' in a formal sentence.
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Describe the function of a predicate in your own words.
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Write a sentence with a linking verb and a predicate nominative.
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Identify the predicate in: 'The sun rose over the mountains.'
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Write a sentence with a secondary predicate.
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Explain why 'The cat in the hat' is not a complete sentence.
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Write a sentence about a hobby using a compound predicate.
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Identify the simple predicate in: 'The cake will be baked tomorrow.'
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Write a sentence with a predicate adjective.
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Use 'predicate' in a sentence about computer programming.
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Identify the complete predicate in: 'A small bird built a nest in the tree.'
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Write a sentence using 'predicate' in a logical or philosophical context.
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Explain the concept of a predicate to a classmate.
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Give an example of a sentence and identify its predicate.
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Discuss how predicates are used in computer science.
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Describe a compound predicate and give an example.
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Explain why subject-predicate agreement is important.
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What is a predicate adjective? Give an example.
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How do you find the predicate in a question?
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What is the difference between a simple and complete predicate?
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Use 'predicated on' in a sentence about your studies.
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Identify the predicate in: 'The moon shines brightly tonight.'
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Why is the predicate called the 'engine' of the sentence?
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Give an example of a predicate nominative.
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What happens if a sentence has no predicate?
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Explain the term 'predicate offense' in law.
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How does the predicate relate to the subject?
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Identify the simple predicate in: 'We have been waiting for you.'
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What is a secondary predicate? Give an example.
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Can a predicate be at the beginning of a sentence?
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What is the Latin origin of the word predicate?
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Identify the complete predicate in: 'The train arrived at the station on time.'
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Listen to the sentence: 'The birds are singing in the trees.' What is the predicate?
Listen to: 'The success of the project is predicated on your support.' What is the key phrase?
Listen to: 'The simple predicate is "was".' What was the sentence likely about?
Listen to: 'He is a hero.' Identify the predicate nominative.
Listen to: 'The water feels cold.' Identify the predicate adjective.
Listen to: 'Identify the compound predicate: She cooked dinner and cleaned the kitchen.'
Listen to: 'The predicate logic ensures the query is correct.' What is the context?
Listen to: 'The judge established the predicate.' What is the judge doing?
Listen to: 'The sun rose.' What is the predicate?
Listen to: 'A predicate function returns a boolean.' What does boolean mean?
Listen to: 'The complete predicate is "is very tall".' What is the subject likely to be?
Listen to: 'Predicate-fronting creates drama.' Give an example.
Listen to: 'The simple predicate in "They have gone" is "have gone".' Is this correct?
Listen to: 'The predicate must agree with the subject.' What rule is this?
Listen to: 'The cat is on the mat.' What is the predicate?
/ 180 correct
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Summary
The predicate is the essential 'engine' of a sentence that tells us what the subject is doing or being. For example, in 'The student studied hard,' the predicate is 'studied hard,' which gives meaning to the subject 'The student.'
- The predicate is the part of a sentence that contains the verb and provides information about the subject's action or state.
- Every complete sentence must have a predicate; without one, the group of words is considered a sentence fragment.
- A predicate can be a single verb (simple predicate) or a verb with all its modifiers and objects (complete predicate).
- In logic and computer science, a predicate refers to a statement or function that determines if a condition is true or false.
Find the Verb First
The easiest way to find the predicate is to locate the main verb. Everything from the verb to the end of the clause is usually the complete predicate.
Use Active Predicates
To make your writing more powerful, use active verbs in your predicates. Instead of 'The decision was made by us,' use 'We made the decision.'
Check Agreement
Always ensure the verb in your predicate matches your subject. Singular subjects need singular verbs; plural subjects need plural verbs.
Predicate as a Property
In logic, think of the predicate as a 'property' you are pinning onto an object. If the object is 'the ball' and the property is 'red,' the predicate is 'is red.'