Of course you are vs Sure

When to use each in English, with meaning, register, and examples.

Of course you are

Top 2,000 (common)

Sure

Top 1,000 (very common)A1adjective
Most common: Sure
 Of course you areSure
Pronunciation🇬🇧 //əv kɔːs juː ɑː//🇺🇸 //əv kɔrəs ju ɑr//🇬🇧 /["/ʃʊə(r)//ʃɔː(r)/"]/🇺🇸 /["/ʃʊr/"]/
MeaningA way to say someone is right or true.certain or confident about something
ExampleAre you joining us for dinner?I am sure that we will win the game.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 1,000 (very common)
CEFR level-A1
Part of speechadjective
CollocationsOf course you are right, Of course you are welcome, Of course you are invitedbe, feel, seem, absolutely, completely, quite, about, of, be, feel, seem, absolutely, completely, quite, about, of
Antonyms-uncertain, doubtful, unsure
Common mistakes'Of course you are' can be confused with 'Indeed, you are' which is more formal., Some learners may use it sarcastically without realizing the tone., Learners might omit the 'you' and say just 'Of course' incorrectly.Used too casually in formal situations., Confused with 'surely' which implies a stronger confirmation., Mispronounced as 'sher' instead of 'shur'.
Usage notesUsed to confirm someone's statement or belief. It’s friendly and supportive. Avoid in formal situations.Used to express agreement or assurance. It's typically appropriate in most casual and formal contexts, but can feel dismissive if overused in a conversation.

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Of course you are
Sure

Frequently asked questions: Of course you are vs Sure

What's the difference between Of course you are and Sure?

Of course you are: A way to say someone is right or true. Sure: certain or confident about something

Which is more common: Of course you are and Sure?

Sure is the most common in everyday English.

Can you show an example of each?

Of course you are: Are you joining us for dinner? Sure: I am sure that we will win the game.

Can I use Of course you are and Sure interchangeably?

Not always. Of course you are and Sure are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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