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A1 verb #7 most common 11 min read

to know

Top 7

Practice it Examples Notes & Tips to know in 30 Seconds

Explanation to know in your Level:

At the A1 level, 'to know' is one of the first verbs you will learn. It is used to express basic facts about yourself and the world. You use it to say you have information, like 'I know the answer,' or to talk about people you are familiar with, like 'I know my teacher.' At this stage, you should focus on the present tense 'know' and 'knows' and the negative form 'do not know' or 'does not know.' You will also use it in simple questions like 'Do you know...?' It is essential for basic communication, allowing you to confirm that you understand something or to ask for information you lack. You might also learn 'know how to' for very simple skills like 'I know how to swim.' The focus is on immediate, concrete knowledge that helps you navigate daily life.

At the A2 level, you begin to use 'to know' in a wider variety of contexts and tenses. You will start using the past tense 'knew' to talk about things you were aware of in the past. You will also use the present perfect 'have known' to describe how long you have been familiar with someone or something, often using 'for' or 'since' (e.g., 'I have known her for three years'). You will become more comfortable with 'know' followed by question words like 'where,' 'when,' and 'who' (e.g., 'I know where the station is'). At this level, you are also introduced to common phrases like 'I don't know yet' or 'as you know.' You are moving beyond simple facts to describing relationships and more complex situations.

At the B1 level, your use of 'to know' becomes more nuanced. You can use it to express certainty or lack thereof in more detailed discussions. You will use it to describe skills and abilities more accurately using 'know how to' followed by more complex verbs. You will also start to use 'know' in the passive voice in some contexts, such as 'It is known that...' although this is more common at higher levels. You will understand the difference between 'knowing' a fact and 'knowing about' a topic. You will also use 'know' to give advice or express opinions, such as 'I know you can do it.' Your vocabulary will expand to include related words like 'knowledge' and 'knowledgeable,' and you will start to use 'know' in more idiomatic ways in conversation.

At the B2 level, you use 'to know' with a high degree of fluency and accuracy. You can distinguish between 'know' and its many synonyms like 'realize,' 'understand,' and 'be aware of' based on the specific context. You will use 'know' in more formal structures, such as 'knowing that...' to introduce a reason or condition at the beginning of a sentence. You will also be familiar with a wide range of idioms and phrasal verbs involving 'know,' such as 'know the ropes,' 'know better,' and 'not know the first thing about.' You can use 'know' to discuss abstract concepts, theories, and complex social dynamics. Your ability to use 'know' in the present perfect continuous (though rare) or in complex conditional sentences (e.g., 'If I had known, I would have...') is also developed at this stage.

At the C1 level, your use of 'to know' is sophisticated and precise. You use it to navigate complex professional and academic environments. You are aware of the subtle differences in register, choosing 'ascertain' or 'be cognizant of' in formal writing while using 'know' effectively in speech. You can use 'know' to express subtle shades of meaning, such as the difference between 'knowing' something instinctively versus 'knowing' it through rigorous study. You are comfortable with the philosophical implications of 'knowing' and can participate in deep discussions about epistemology (the study of knowledge). You also use 'know' in complex rhetorical structures to emphasize points or to build rapport with an audience, and you are fully proficient in all its irregular forms and idiomatic uses.

At the C2 level, you have a complete mastery of 'to know' and its place in the English language. You can use it with the same level of nuance as a highly educated native speaker. You are familiar with its use in literature, poetry, and historical texts. You can play with the word's meanings, using it ironically or metaphorically. You understand the deepest etymological roots of the word and how it relates to other words in the Indo-European family. Your use of 'know' is effortless, whether you are writing a technical scientific paper, a legal brief, or a creative novel. You can use 'know' to convey authority, empathy, doubt, or absolute certainty with perfect precision, and you are never at a loss for the right synonym or related expression to fit the exact tone of your communication.

Practice it Examples Notes & Tips

to know in 30 Seconds

To know is a stative verb used to describe having information, facts, or familiarity with people and places in your mind.
It is an irregular verb with the forms: know (present), knew (past), and known (past participle). It is rarely used in the continuous form.
Common patterns include 'know + noun,' 'know + that clause,' and 'know how to' for describing skills and practical abilities.
The word is essential for expressing certainty, empathy, and social connections in both casual and formal English communication.

The verb to know is one of the most fundamental pillars of human communication and cognition. At its core, it represents the possession of information, the state of being aware of a fact, or the familiarity one has with a person, place, or concept. In the English language, 'to know' serves as a bridge between the external world and the internal mind. It is not merely about having data; it is about the certainty and the internalization of that data. When you say you know something, you are asserting a level of truth that goes beyond mere belief or suspicion. This word is used in almost every conceivable context, from the simplest daily interactions to the most complex scientific and philosophical discourses. It is a stative verb, meaning it describes a state of being rather than a physical action, which is why we rarely use it in the continuous '-ing' form in standard English. You do not usually say 'I am knowing the answer'; instead, you simply 'know' it.

Factual Knowledge: This refers to information that can be verified. For example, knowing that the earth revolves around the sun or knowing your own phone number. It involves the storage of facts in the memory.

I know that the capital of France is Paris.

Social Familiarity: This usage describes being acquainted with a person. It implies that you have met them and recognize who they are. In many other languages, like Spanish or German, this is a different verb entirely (conocer/kennen), but in English, 'know' covers both facts and people.

Do you know the new neighbor who moved in next door?

Practical Skills: Often followed by 'how to,' this usage describes an ability or skill. It means you have the necessary training or experience to perform a specific task.

She knows how to play the piano beautifully.

We know the way to the park from here.

They know about the meeting tomorrow morning.

Furthermore, 'to know' is used to express certainty. In a conversation, saying 'I know' can be a way of agreeing with someone or showing empathy. If a friend says, 'This situation is so difficult,' and you reply, 'I know,' you are signaling that you understand their feelings through your own experience or observation. This versatility makes 'to know' an indispensable tool for emotional intelligence as well as intellectual expression. Whether you are identifying a person in a crowd, solving a mathematical equation, or navigating the streets of a foreign city, the concept of 'knowing' is what allows you to move through the world with confidence and purpose. It is the opposite of being lost or confused.

Using the verb to know correctly involves understanding its various grammatical patterns. Because it is a stative verb, its primary function is to describe a mental state. One of the most common patterns is 'know + noun phrase,' where the noun is the object of your knowledge. This can be a person, a place, or a thing. Another frequent pattern is 'know + that clause,' which is used to state a fact. In informal English, the word 'that' is often omitted, as in 'I know he is coming.' A third critical pattern is 'know + question word' (who, what, where, when, why, how). This is used when the knowledge pertains to a specific piece of information that answers that question. For example, 'I know where the keys are' or 'Do you know why she left?'

Direct Objects: Using a simple noun or pronoun after the verb. This is the most direct way to show familiarity or possession of information.

He knows the answer to the third question.

Interrogative Clauses: Using 'know' followed by words like 'how,' 'where,' or 'if' to describe specific types of information or skills.

I don't know if it will rain today.

Past Tense Usage: The past tense of 'know' is 'knew.' It is an irregular verb, so it does not end in '-ed.' The past participle is 'known,' used with 'have' or 'had.'

They knew each other in high school.

I have known about the surprise for weeks.

Does anyone know what time it is?

When using 'know' in the present perfect ('have known'), it often describes a state that began in the past and continues to the present. For example, 'I have known him for ten years' means you met ten years ago and are still friends today. This is a very common way to describe long-term relationships or long-held beliefs. Additionally, the phrase 'get to know' is used to describe the process of becoming familiar with someone or something over time. It shifts the meaning from a static state to a gradual development. For instance, 'I want to get to know my new colleagues' suggests a desire to build a relationship through interaction. Understanding these nuances allows you to use 'know' not just as a basic verb, but as a sophisticated tool for describing your mental and social world.

The word to know is ubiquitous, appearing in almost every facet of daily life. In educational settings, it is the primary goal; teachers want students to 'know' the material, and students ask if they 'need to know' specific facts for an exam. In the workplace, 'know-how' is a valued commodity, referring to the specialized knowledge that allows a company to function effectively. You will hear it in the news when reporters discuss what officials 'knew and when they knew it,' a phrase often used during investigations. In social circles, 'knowing' someone is the currency of networking and friendship. It is also a staple of popular culture, appearing in countless song lyrics, movie titles, and famous quotes. From the philosophical 'Know thyself' to the casual 'You know what I mean?', the word is deeply embedded in the way we process and share our reality.

Academic Contexts: In schools and universities, 'knowing' is linked to learning and mastery. It is used to define the scope of a curriculum or the depth of a student's understanding.

Students must know the periodic table for the chemistry test.

Professional Environments: In business, 'knowing' is often about expertise, market trends, and client needs. It is frequently paired with 'technical' or 'industry' to specify the type of knowledge.

Our team knows exactly how to handle these types of technical issues.

Legal and Investigative: In law, 'knowledge' is a key component of intent. Whether someone 'knew' they were committing a crime is often the central question in a trial.

The witness claimed she didn't know the defendant personally.

It is important to know your rights when speaking to the police.

I know it sounds crazy, but it is the truth.

In everyday digital life, we 'know' things through our devices. We check our phones to 'know' the weather, the time, or the latest news. Social media platforms are designed to help us 'know' what our friends are doing at any given moment. This constant flow of information has changed the way we experience 'knowing.' It is no longer just about what is stored in our brains, but also about what we can access instantly. Despite this technological shift, the core human need to 'know'—to feel certain, to feel connected, and to feel capable—remains unchanged. Whether it is a child learning to 'know' their colors or a scientist seeking to 'know' the secrets of the universe, this word represents the fundamental human drive toward understanding and mastery.

Even though to know is a basic word, it is a frequent source of errors for English learners. The most common mistake is using it in the continuous form. Because 'knowing' is a state of mind and not a physical action, we do not say 'I am knowing the answer.' Even if you are in the process of realizing something, you would say 'I am starting to know' or 'I am learning,' but the state of knowledge itself is always expressed in the simple present or past. Another frequent error involves the distinction between 'know' and 'know about.' If you 'know' a person, you have met them. If you 'know about' a person, you have heard of them but have no personal connection. This distinction is vital for clear communication.

The Progressive Trap: Learners often try to use '-ing' with 'know.' This is almost always incorrect in standard English. Stick to the simple tenses.

Incorrect: I am knowing how to drive. Correct: I know how to drive.

Know vs. Meet: 'Know' describes the state of having a relationship. 'Meet' describes the single event of being introduced. You cannot 'know' someone for the first time; you 'meet' them for the first time.

I met him yesterday, so now I know him.

Preposition Errors: Learners sometimes use 'know to' when they mean 'know about' or 'know how to.' Each preposition changes the meaning significantly.

You should know better than to touch a hot stove.

I don't know of any reason why he would leave.

She knows her way around the city.

Finally, the past tense 'knew' is often mispronounced or misspelled as 'knowed.' Since it is an irregular verb, it is crucial to memorize the forms: know, knew, known. Another subtle mistake is using 'know' when 'understand' or 'realize' would be more appropriate. While 'know' is a general term for having information, 'realize' implies a sudden moment of clarity, and 'understand' implies a deeper grasp of the 'why' or 'how' behind the facts. For example, you might 'know' a rule but not 'understand' why it exists. Paying attention to these distinctions will help you sound more natural and precise in your English communication.

While to know is a versatile and powerful word, using it too often can make your English sound repetitive. Depending on the context, there are many synonyms and alternatives that can provide more specific meaning. For instance, if you want to emphasize that you have a deep grasp of a complex subject, 'understand' or 'comprehend' might be better. If you are talking about recognizing someone you have seen before, 'recognize' is the correct choice. If you are referring to the moment you first learned something, 'discover' or 'find out' are more active and descriptive. Exploring these alternatives will allow you to express the nuances of your knowledge more effectively.

Know vs. Understand: 'Know' is about having the information. 'Understand' is about grasping the meaning or logic behind it. You can know a fact without understanding it.

I know the formula, but I don't understand how it works.

Know vs. Recognize: 'Know' implies a relationship or deep familiarity. 'Recognize' simply means you remember seeing someone or something before.

I recognize her face, but I don't know her name.

Know vs. Realize: 'Know' is a continuous state. 'Realize' is the specific moment when information becomes clear to you.

I didn't know it was so late until I realized the sun was setting.

She is aware of the risks involved in the project.

He comprehends the gravity of the situation.

Other useful alternatives include 'be acquainted with' (for people or places), 'be cognizant of' (very formal), and 'have a handle on' (informal, meaning to have control or understanding). By choosing the right word for the right situation, you can demonstrate a higher level of English proficiency. For example, saying 'I am familiar with that software' sounds more professional than 'I know that software.' Similarly, 'I've noticed that he's unhappy' is often more accurate than 'I know he's unhappy' if you are basing your statement on observation rather than direct information. Mastering these synonyms will help you move from a basic level of English to a more nuanced and expressive one.

How Formal Is It?

Formal

Neutral

Informal

Child friendly

Slang

Fun Fact

Because of its ancient roots, 'know' is related to the Greek word 'gnosis' (knowledge) and the Latin 'cognoscere' (to get to know). This is why words like 'recognize' and 'diagnosis' share a similar meaning and structure with 'know.'

Pronunciation Guide

UK /nəʊ/

US /noʊ/

Single syllable, no word stress. In sentences, it is usually a content word and receives sentence stress.

Rhymes With

no go slow show grow low row toe

Common Errors

Pronouncing the 'k' (it should be silent).
Confusing the sound with 'now' (/naʊ/).
Shortening the vowel too much.
Mispronouncing the past tense 'knew' as 'knowed'.
Pronouncing 'known' with two syllables.

Difficulty Rating

Reading 1/5

Very easy to recognize in text as it is a high-frequency word.

Writing 2/5

Easy, but the irregular past forms and silent 'k' require attention.

Speaking 2/5

Common filler, but avoid using it in the continuous '-ing' form.

Listening 1/5

Easily understood, though it sounds exactly like 'no'.

What to Learn Next

Prerequisites

I you is the a

Learn Next

understand think believe remember forget

Advanced

epistemology cognition ascertain discern comprehend

Grammar to Know

Stative Verbs

I know (not I am knowing).

Irregular Past Tense

I knew the answer yesterday.

Present Perfect for Duration

I have known him for years.

Indirect Questions

I know where he lives.

Passive Voice with 'Known'

He is known for his art.

Examples by Level

I know your name.

Je connais ton nom.

Subject + verb + object.

Do you know the answer?

Connais-tu la réponse ?

Question form using 'do'.

He knows how to cook.

Il sait cuisiner.

Third person singular adds '-s'.

We don't know that man.

Nous ne connaissons pas cet homme.

Negative form using 'do not'.

I know where the park is.

Je sais où se trouve le parc.

Know + question word (where).

She knows many English words.

Elle connaît beaucoup de mots anglais.

Using 'know' for vocabulary possession.

They know each other.

Ils se connaissent.

Using 'each other' to show mutual knowledge.

Do you know what time it is?

Sais-tu quelle heure il est ?

Know + what clause.

I knew the secret yesterday.

Je connaissais le secret hier.

Past tense 'knew'.

Have you known him for a long time?

Le connais-tu depuis longtemps ?

Present perfect for duration.

She didn't know about the party.

Elle ne savait pas pour la fête.

Negative past tense 'did not know'.

We know why she is sad.

Nous savons pourquoi elle est triste.

Know + why clause.

I want to get to know my new neighbors.

Je veux faire connaissance avec mes nouveaux voisins.

The phrase 'get to know'.

He knows a lot about history.

Il en sait beaucoup sur l'histoire.

Know + about + topic.

Do you know if the bus has left?

Sais-tu si le bus est parti ?

Know + if clause.

I've known that song since I was a child.

Je connais cette chanson depuis que je suis enfant.

Present perfect with 'since'.

I know how you feel about the situation.

Je sais ce que tu ressens par rapport à la situation.

Expressing empathy with 'know'.

It is important to know your own limits.

Il est important de connaître ses propres limites.

Infinitive 'to know' as a subject complement.

She is the most knowledgeable person I know.

C'est la personne la plus cultivée que je connaisse.

Using the adjective 'knowledgeable'.

I didn't know that you were coming today.

Je ne savais pas que tu venais aujourd'hui.

Past tense with a 'that' clause.

He knows the city like the back of his hand.

Il connaît la ville comme sa poche.

Idiomatic expression for deep familiarity.

We need to know the facts before we decide.

Nous devons connaître les faits avant de décider.

Using 'know' in a decision-making context.

Do you know of any good restaurants nearby?

Connais-tu de bons restaurants dans le coin ?

Know of = have information about.

I know for a fact that he is lying.

Je sais de source sûre qu'il ment.

The phrase 'know for a fact'.

Knowing him, he will probably be late.

Le connaissant, il sera probablement en retard.

Participle phrase 'knowing him'.

I wish I had known about the deadline earlier.

J'aurais aimé connaître la date limite plus tôt.

Third conditional structure with 'known'.

He doesn't know the first thing about car engines.

Il n'y connaît rien en moteurs de voiture.

Idiom meaning to have no knowledge at all.

It is a well-known fact that exercise is good for you.

C'est un fait bien connu que l'exercice est bon pour la santé.

Using 'well-known' as a compound adjective.

She knows better than to argue with her boss.

Elle est trop intelligente pour se disputer avec son patron.

Idiom 'know better than to'.

I need to know the ins and outs of this contract.

Je dois connaître les tenants et les aboutissants de ce contrat.

Idiom for detailed knowledge.

Little did I know that my life was about to change.

J'étais loin de me douter que ma vie allait changer.

Inversion for literary emphasis.

They have known each other since they were toddlers.

Ils se connaissent depuis qu'ils sont tout petits.

Present perfect for lifelong relationship.

The researchers sought to know the underlying cause of the disease.

Les chercheurs ont cherché à connaître la cause sous-jacente de la maladie.

Formal academic usage of 'to know'.

To know is one thing, but to apply that knowledge is another.

Savoir est une chose, mais appliquer ce savoir en est une autre.

Using infinitives as subjects for contrast.

He was known to be a man of great integrity.

Il était connu pour être un homme d'une grande intégrité.

Passive voice 'was known to be'.

I know not what course others may take.

Je ne sais quel chemin d'autres pourraient prendre.

Archaic/Literary negation 'know not'.

She has a deep-seated need to know the truth.

Elle a un besoin profond de connaître la vérité.

Using 'know' with abstract nouns.

Knowing the risks, they decided to proceed anyway.

Connaissant les risques, ils ont décidé de continuer quand même.

Participial phrase showing concession.

The depth of his knowledge is truly impressive.

La profondeur de ses connaissances est vraiment impressionnante.

Noun form 'knowledge' in a formal context.

One cannot truly know a culture without living in it.

On ne peut pas vraiment connaître une culture sans y vivre.

Generic 'one' with 'know' for universal truths.

The epistemological question of what it means to know remains debated.

La question épistémologique de ce que signifie savoir reste débattue.

Philosophical context.

He knew the score and acted accordingly to protect his interests.

Il connaissait la situation et a agi en conséquence pour protéger ses intérêts.

Idiom 'know the score' (know the reality).

The artist's work is known for its subtle interplay of light and shadow.

L'œuvre de l'artiste est connue pour son jeu subtil d'ombre et de lumière.

Passive voice describing artistic style.

There is no knowing what the future might hold for us.

On ne peut pas savoir ce que l'avenir nous réserve.

Gerund phrase 'there is no knowing'.

She knew in her heart of hearts that she had made the right choice.

Elle savait au plus profond d'elle-même qu'elle avait fait le bon choix.

Idiom for deep internal certainty.

The complexity of the system is such that few can truly know it in its entirety.

La complexité du système est telle que peu de gens peuvent vraiment le connaître dans sa totalité.

Describing the limits of human knowledge.

To know him is to love him, as the old saying goes.

Le connaître, c'est l'aimer, comme le dit le vieil adage.

Proverbial structure.

He was a man who knew his own mind and never wavered.

C'était un homme qui savait ce qu'il voulait et ne fléchissait jamais.

Idiom 'know one's own mind'.

Common Collocations

know the truth

know the answer

know someone well

know for sure

know by heart

know the way

know how to

get to know

as far as I know

know better

Common Phrases

You know

— A filler phrase used to check for understanding or agreement. It is very common in spoken English.

It was a great movie, you know?

I know, right?

— An informal way to strongly agree with someone's statement. It shows shared feelings.

The weather is terrible today. - I know, right?

God knows

— Used to emphasize that something is completely unknown or a mystery. It can also express frustration.

God knows where I left my keys.

Who knows?

— A rhetorical question used to say that something is impossible to predict or understand.

Will it rain tomorrow? Who knows?

Not that I know of

— A way to say 'no' based on the information you currently have. It leaves room for error.

Is there a meeting today? - Not that I know of.

You never know

— Used to say that anything is possible, even if it seems unlikely. It encourages hope or caution.

I might win the lottery. You never know!

Before you know it

— Used to say that something will happen very quickly or sooner than expected.

Summer will be over before you know it.

For all I know

— Used to emphasize that you have very little information about a situation. It can sound slightly annoyed.

For all I know, he could be in another country by now.

Know your stuff

— An informal way to say that someone is very knowledgeable or expert in their field.

Our new teacher really knows her stuff.

In the know

— To have inside information that most people do not have. It implies being part of a special group.

People in the know say that the company will be sold soon.

Often Confused With

to know vs no

They are homophones (sound the same) but have different meanings.

to know vs now

They look similar but 'now' refers to time and 'know' refers to knowledge.

to know vs new

The past tense 'knew' sounds exactly like 'new'.

Idioms & Expressions

"Know the ropes"

— To understand how a particular job or organization works. It comes from sailing.

It took me a few weeks to know the ropes at my new office.

informal

"Know which side your bread is buttered on"

— To know who to be nice to or what to do to keep your own advantage.

He won't quit; he knows which side his bread is buttered on.

informal

"Know someone like the back of one's hand"

— To be extremely familiar with someone or something. To have very detailed knowledge.

I know this neighborhood like the back of my hand.

neutral

"Know better than to"

— To be wise or experienced enough not to do something foolish or wrong.

You should know better than to walk alone at night.

neutral

"Not know whether to laugh or cry"

— To be in a situation that is both funny and sad, or very frustrating.

When the dog ate my homework, I didn't know whether to laugh or cry.

neutral

"Know the score"

— To know the facts of a situation, especially the unpleasant or difficult ones.

Don't try to lie to her; she knows the score.

informal

"Know no bounds"

— To have no limits. Often used to describe emotions like enthusiasm or greed.

His ambition knows no bounds.

formal

"To know is to love"

— A phrase suggesting that once you truly understand someone, you will inevitably like them.

He seems grumpy, but to know him is to love him.

literary

"Know one's place"

— To accept your position in a social hierarchy and not try to act above it. Often used negatively.

In the old days, servants were expected to know their place.

neutral

"Don't I know it!"

— A way of saying 'I am very aware of that' in response to someone else's comment.

It's a long walk to the station. - Don't I know it!

informal

Easily Confused

to know vs Meet

Both relate to social connection.

'Meet' is the first time you see someone. 'Know' is the ongoing relationship.

I met him once, but I don't really know him.

to know vs Learn

Both relate to information.

'Learn' is the process of getting information. 'Know' is the state of having it.

I am learning French, but I don't know many words yet.

to know vs Understand

Both relate to mental grasp.

'Know' is about the fact. 'Understand' is about the meaning or reason.

I know the rule, but I don't understand why it exists.

to know vs Realize

Both relate to awareness.

'Realize' is a sudden moment of discovery. 'Know' is a continuous state.

I suddenly realized I didn't know the way home.

to know vs Think

Both are mental states.

'Think' implies some doubt or opinion. 'Know' implies certainty.

I think it's raining, but I don't know for sure.

Sentence Patterns

I know + [noun]

I know the teacher.

Do you know + [noun]?

Do you know the time?

I know + [wh- word] + [clause]

I know where he is.

I have known + [person] + for/since

I have known her for a year.

I know + how to + [verb]

I know how to drive a car.

Knowing + [person/fact], [clause]

Knowing him, he will be late.

It is known that + [clause]

It is known that smoking is harmful.

There is no knowing + [wh- word]

There is no knowing what will happen.

Word Family

Nouns

Verbs

Adjectives

How to Use It

frequency

Extremely high; one of the top 50 most common verbs in English.

Common Mistakes

I am knowing the answer. → I know the answer.
Know is a stative verb and cannot be used in the continuous form.
I knowed him for years. → I have known him for years.
Know is irregular. The past tense is 'knew' and the past participle is 'known.'
I know to swim. → I know how to swim.
When describing a skill, you must use 'how to' before the infinitive.
I know him yesterday. → I met him yesterday.
Use 'meet' for the first introduction and 'know' for the state of being acquainted.
Do you know where is the station? → Do you know where the station is?
In indirect questions, the word order is subject + verb, not verb + subject.

Tips

Stative Verb Rule

Never use 'know' in the continuous '-ing' form. Say 'I know' instead of 'I am knowing.' This is a very common mistake for learners.

Silent K

Always keep the 'K' silent. If you pronounce it, native speakers might find it hard to understand you. It rhymes with 'go' and 'show.'

Know vs. Meet

Use 'meet' for the first time you are introduced to someone. Use 'know' for the time after that. 'I met him yesterday, so I know him now.'

Know How To

When talking about skills like swimming, driving, or playing an instrument, always use 'know how to' followed by the verb.

Getting to Know

Use the phrase 'get to know' when you want to express that you are building a relationship with someone new.

Formal Alternatives

In academic writing, try using 'be aware of,' 'understand,' or 'ascertain' to avoid repeating 'know' too many times.

Context Clues

Since 'know' and 'no' sound the same, use the words around them to understand the meaning. 'I know' usually follows a subject.

Know the Ropes

Use this idiom when you want to say you understand how a specific system or job works. It sounds very natural.

Know for Sure

Use 'know for sure' or 'know for a fact' when you want to emphasize that you are 100% certain about something.

Irregular Past

Memorize 'know, knew, known.' Using 'knowed' is a major sign of a beginner level and should be avoided.

Memorize It

Mnemonic

Think of the 'K' in 'Know' as standing for 'Key.' Knowledge is the Key to understanding the world. Just remember the Key is silent!

Visual Association

Imagine a bright lightbulb turning on inside a head. This represents the moment you 'know' or understand something.

Word Web

Information Facts People Skills Certainty Memory Learning Awareness

Challenge

Try to write five sentences about things you know how to do, and five sentences about people you know well. Use the present and past tenses.

Word Origin

The word 'know' comes from the Old English 'cnawan,' which means to acknowledge or recognize. It is traced back to the Proto-Indo-European root '*gno-,' which means 'to know.' This root is incredibly productive and can be found in many other languages.

Original meaning: The original sense was related to the act of recognizing or being able to distinguish one thing from another.

Germanic (Old English), with deep roots in Indo-European.

Cultural Context

Be careful when claiming to 'know' someone's feelings, as it can sometimes seem presumptuous. Using 'I think I understand how you feel' can be softer.

In the UK and US, being 'in the know' suggests social status or professional expertise. Casual use of 'you know' is very frequent in American English as a conversational filler.

Francis Bacon: 'Knowledge is power.' Socrates: 'I know that I know nothing.' The Bible: 'And ye shall know the truth, and the truth shall make you free.'

Practice in Real Life

Real-World Contexts

School/Education

know the answer
know the material
need to know
well-known fact

Socializing

know someone well
get to know
know each other
do I know you?

Work/Business

technical know-how
know the ropes
make it known
in the know

Directions/Travel

know the way
know the area
know where to go
know the city

Daily Problems

know how to fix
don't know what to do
know better
who knows?

Conversation Starters

"Do you know any good places to eat around here?"

"How long have you known your best friend?"

"Do you know how to play any musical instruments?"

"What is something you know a lot about?"

"Do you know what you want to do this weekend?"

Journal Prompts

Write about a person you would like to get to know better and why.

Describe a skill that you know how to do very well.

Reflect on a time when you knew the truth but someone else didn't believe you.

What are three things you want to know by the end of this year?

Write about a place you know like the back of your hand.

Frequently Asked Questions

10 questions

No, 'know' is a stative verb. You should use the simple present 'I know' even if you mean right now.

The past tense is 'knew.' For example: 'I knew the answer yesterday.'

Yes, the 'k' is always silent. It is pronounced exactly like the word 'no.'

'Know' implies personal experience or deep familiarity. 'Know about' means you have heard of it but lack deep knowledge.

Use it to describe a skill. 'I know how to swim' means you have the ability because you learned it.

It means the process of becoming familiar with someone or something over time.

It can be both. It is the past participle of 'know' (verb) and can also be used as an adjective (e.g., 'a known criminal').

It is a filler phrase used to check if the listener is following or to emphasize a point.

Yes, 'I know London' means you are familiar with the city because you have been there.

The most direct opposite is 'not know,' but 'ignore' or 'forget' are also related antonyms.