sure
To be sure means you feel certain that something is true.
Explanation at your level:
You use sure when you know something is true. If you are happy to do something, you can say 'Sure!' to mean 'Yes.' It is a very helpful word for daily life. You can say 'I am sure' when you are not guessing. It helps people trust what you say.
At this level, you can use sure to express confidence. You might say, 'I am sure he is at home.' You can also use it to agree with friends. If a friend asks, 'Can you help me?', you can say, 'Sure, no problem!' It is a very common word for talking about your feelings and plans.
As an intermediate learner, you should focus on the phrase 'make sure.' This is very common in instructions. For example, 'Make sure you bring your passport.' You can also use 'sure' to show you are certain about facts. Remember that 'sure' is an adjective, so it usually follows 'to be.' Using it correctly makes your English sound much more natural and confident.
At the B2 level, you can explore the nuances of 'sure.' Use it to emphasize your point or to show agreement in professional settings. You might use phrases like 'I am fairly sure' or 'I am not entirely sure' to express different levels of certainty. Understanding the difference between 'surely' (the adverb) and 'sure' (the adjective) is important for your writing.
Advanced users utilize 'sure' to add weight to their arguments. You might use it in phrases like 'to be sure,' which serves as a discourse marker to concede a point before moving to a stronger one. You can also use it in more complex sentence structures to convey subtle shades of doubt or absolute conviction. It is a versatile tool for rhetorical emphasis in both academic and professional discourse.
Mastery of 'sure' involves understanding its etymological depth and its role in idiomatic English. You can use it to convey varying degrees of irony or emphasis. In literary contexts, it can be used to describe a sense of stability or inevitability. You should be comfortable using it in diverse registers, from the casual 'sure thing' to the more formal 'to be sure,' while maintaining a natural flow in your speech and writing.
Palavra em 30 segundos
- Sure means certain.
- It is an adjective.
- Commonly used in 'make sure'.
- Pronounced like 'shur'.
When you say you are sure, you are telling the world that your mind is made up. You have no lingering doubts, and you feel completely confident in your conclusion. It is a powerful word that bridges the gap between guessing and knowing.
Think of it as a mental anchor. While other people might be 'unsure' or 'hesitant,' being sure provides a sense of stability. Whether you are sure about the time of a meeting or sure about your favorite color, the word acts as a guarantee of your current state of mind.
In conversation, it is often used to reassure others. If a friend asks if you can help them move, saying 'I am sure I can' is much more comforting than saying 'I might.' It builds trust and shows that you are reliable. It is one of those essential words that helps us navigate daily life with clarity and purpose.
The word sure has a fascinating journey through history. It traces its roots back to the Old French word seür, which itself came from the Latin word securus. Interestingly, securus is a combination of se- (meaning 'without') and cura (meaning 'care').
This means that originally, to be 'sure' was to be 'without care' or 'carefree.' Over time, the meaning shifted from being free from worry to being free from doubt. This makes sense, doesn't it? When you are certain about something, you stop worrying about it because you have arrived at the truth.
The word entered Middle English around the 13th century. It has remained a staple of the language ever since, proving its versatility. It is a sibling to the word 'secure,' which shares that same Latin ancestor. Both words imply a sense of safety and stability, whether it is physical security or mental certainty.
Using sure correctly depends on the context of your sentence. It is most commonly used with the verb 'to be' (e.g., 'I am sure'). You will often hear it followed by 'that' or 'of' to clarify what you are certain about.
In casual settings, people often use 'sure' as a standalone response to mean 'yes' or 'of course.' For example, if someone asks, 'Can you pass the salt?', replying with a quick 'Sure!' is perfectly natural. However, in formal writing, you should stick to using it as an adjective to describe a state of mind.
Common collocations include phrases like 'make sure,' 'pretty sure,' and 'dead sure.' While 'pretty sure' implies a high level of confidence, 'dead sure' is an emphatic way of saying you have zero doubt. Understanding these nuances helps you sound more like a native speaker and less like a textbook.
1. Make sure: To take action to guarantee something happens. Example: Make sure you lock the door before you leave.
2. For sure: Used to emphasize that something is definitely true. Example: I don't know for sure if he is coming.
3. Sure thing: A casual way to agree to a request. Example: 'Can you help me?' 'Sure thing!'
4. As sure as eggs is eggs: An old-fashioned way of saying something is absolutely certain. Example: It will rain today, as sure as eggs is eggs.
5. To be sure: Used to introduce a contrasting point or to emphasize a fact. Example: It was a difficult task, to be sure, but we finished it.
Grammatically, sure functions as an adjective. It does not have plural forms or complex conjugations, making it quite friendly for learners. You will often see it in the structure 'Subject + be + sure + (that) + clause.'
Pronunciation can be tricky! In British English, the 'r' at the end is often silent unless followed by a vowel, while in American English, the 'r' is usually pronounced clearly. The IPA is /ʃʊər/. It rhymes with words like 'pure,' 'cure,' 'lure,' 'tour,' and 'fewer.'
Remember that 'sure' is not an adverb. You should not say 'I sure did that' in formal writing; instead, use 'surely.' However, in American colloquial speech, 'sure' is frequently used as an adverb, which is a common point of confusion for students learning formal English rules.
Fun Fact
It shares a root with the word 'secure'.
Pronunciation Guide
Short 'u' sound followed by a soft 'r'.
Clear 'r' sound with a rounded vowel.
Common Errors
- Pronouncing it like 'shore'
- Adding an extra syllable
- Confusing 'sh' with 's'
Rhymes With
Difficulty Rating
Easy to read
Requires grammar awareness
Easy to use
Easy to hear
What to Learn Next
Prerequisites
Learn Next
Avançado
Grammar to Know
Adjective usage
I am sure.
Adverb vs Adjective
Surely vs Sure.
Imperative mood
Make sure!
Examples by Level
I am sure.
I know it.
Subject + verb + adjective.
Sure!
Yes!
Short answer.
Are you sure?
Do you know?
Question form.
I am sure it is here.
It is definitely here.
Simple sentence.
He is sure.
He knows.
Third person.
We are sure.
We know.
Plural subject.
Is she sure?
Does she know?
Question.
Be sure!
Make certain.
Imperative.
I am sure that he will come.
Are you sure about that?
Make sure you lock the door.
I am pretty sure it is raining.
She is sure she passed the test.
I am not sure where he is.
They are sure they want to go.
I am sure you can do it.
Make sure to check the time.
I am absolutely sure about this.
Are you sure you want to quit?
I am not sure whether to go.
He is sure of his decision.
To be sure, it was a long day.
I am sure that we will win.
Make sure that you are ready.
I am fairly sure the meeting is at noon.
She was sure of herself during the speech.
To be sure, the results were impressive.
Make sure that all windows are closed.
I am not entirely sure about the plan.
He is sure to arrive on time.
It is a sure sign of success.
I am sure you will find the answer.
The outcome is sure to be favorable.
To be sure, there are some risks involved.
He is sure of his ground in this debate.
Make sure that the data is accurate.
A sure way to fail is to give up.
I am sure that he is the right person.
She is sure to make an impact.
It is a sure bet that it will rain.
His success is as sure as the sunrise.
To be sure, the policy has its critics.
He is sure of himself in every situation.
Make sure that you keep your options open.
It is a sure-fire way to get results.
I am sure that truth will prevail.
She is sure to be remembered for this.
The plan is a sure thing.
Colocações comuns
Idioms & Expressions
"make sure"
to verify
Make sure the stove is off.
neutral"for sure"
definitely
I know for sure he will go.
casual"sure thing"
an easy agreement
Can you help? Sure thing!
casual"to be sure"
admittedly
To be sure, it was hard.
formal"sure as death"
very certain
He will come, sure as death.
literary"sure-fire"
guaranteed success
This is a sure-fire plan.
neutralEasily Confused
Both mean no doubt
Certain is slightly more formal
I am certain / I am sure.
Adverb form
Surely is an adverb, sure is an adjective
Surely he knows / I am sure.
Similar root
Secure means safe
The area is secure / I am sure.
Similar sound
Shore is land by water
The shore is sandy / I am sure.
Sentence Patterns
Subject + be + sure + that + clause
I am sure that he is coming.
Subject + be + sure + of + noun
He is sure of the answer.
Make + sure + (that) + clause
Make sure that you are ready.
Subject + be + sure + to + verb
He is sure to win.
To be sure, + clause
To be sure, it was a long day.
Família de palavras
Nouns
Verbs
Adjectives
Relacionado
How to Use It
9
Formality Scale
Erros comuns
Sure is an adjective, surely is the adverb.
Structure requires a clause.
Very does not collocate well.
Remove 'of' when using 'that'.
Use 'more certain' for comparisons.
Tips
Memory Palace Trick
Imagine a person standing on a rock labeled 'SURE'.
When Native Speakers Use It
They use it to agree quickly.
Cultural Insight
It shows confidence.
Grammar Shortcut
Follow it with 'that' or 'of'.
Say It Right
Rounded lips for the 'sh' sound.
Don't Make This Mistake
Don't use it as an adverb in essays.
Did You Know?
It means 'without care' in Latin.
Study Smart
Practice with 'make sure' phrases.
Writing Tip
Use 'certainly' for formal writing.
Speaking Tip
Use 'Sure!' for friendly agreement.
Memorize It
Mnemonic
S-U-R-E: Stay Under Real Evidence.
Visual Association
A person standing on solid ground, not sinking.
Word Web
Desafio
Use 'sure' in three sentences today.
Origem da palavra
Latin
Original meaning: Without care
Contexto cultural
None.
Used frequently in business and casual social interaction.
Practice in Real Life
Real-World Contexts
at work
- Make sure the report is done
- Are you sure about the data?
- I am sure we can finish
at school
- I am sure about the answer
- Make sure you read the book
- Are you sure you studied?
travel
- Make sure you have your ticket
- I am sure the train is on time
- Are you sure this is the right stop?
daily life
- Sure thing
- I am sure about it
- Make sure you call me
Conversation Starters
"Are you sure about your plans for the weekend?"
"What is one thing you are sure about in life?"
"How do you make sure you don't forget things?"
"Is it better to be sure or to be curious?"
"Can you be sure about the future?"
Journal Prompts
Write about a time you were sure of something.
Describe a situation where being sure helped you.
How do you feel when you are not sure?
What are you sure about today?
Perguntas frequentes
8 perguntasNo, it is an adjective.
It is common in casual speech, but 'I surely did' is formal.
To verify or ensure.
Like 'shur'.
No, surely is an adverb.
Yes, 'I am not sure'.
It can be both formal and casual.
No, it is an adjective.
Teste-se
I am ___ that he is here.
Sure expresses certainty.
Which means 'yes'?
Sure is a positive response.
Sure is an adverb.
It is an adjective.
Word
Significado
These are common collocations.
Subject + verb + adjective + clause.
To be ___, the plan is risky.
To be sure is a set phrase.
What does 'sure-fire' mean?
Sure-fire means success is certain.
Surely is the adverb form.
Correct usage.
Word
Significado
Compound adjectives.
Idiomatic expression.
Pontuação: /10
Summary
To be sure is to have no doubt and feel confident in your knowledge.
- Sure means certain.
- It is an adjective.
- Commonly used in 'make sure'.
- Pronounced like 'shur'.
Memory Palace Trick
Imagine a person standing on a rock labeled 'SURE'.
When Native Speakers Use It
They use it to agree quickly.
Cultural Insight
It shows confidence.
Grammar Shortcut
Follow it with 'that' or 'of'.
Exemplo
Are you sure you turned off the oven?
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Frases relacionadas
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adlocment
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