know verb (HAVE INFORMATION)
"Where did he go?" "I don't know."
"What does it cost?" "Ask Kate. She'll know."
I don't know anything about this.
Do you know the time?
- "Will the table fit in here?" "I don't know - let's measure it."
- I still don't know whether she's coming or not.
- It's a bit suspicious that no one knows where he was at the time of the murder.
- No one knew how many troops had died in combat.
- "He's been married three times." "Oh, really? I didn't know that!"
know verb (BE FAMILIAR WITH)
I've known Daniel since we were at school together.
She grew up in Paris so she knows it well.
I've seen the film "Casablanca" so many times that I know a lot of it by heart (= I know it in my memory).
Do you know about computers?
She knows her subject inside out (= very well).
Do you know any French?
know how to do sth
get to know sb/sth
know sb by sight
- I know the first verse of the song, but I don't know what comes next.
- If you don't know what the word means, look it up in a dictionary.
- It's always awkward when you meet someone you know, but you can't remember their name.
- He knows a lot of people, but only one or two that he'd call close friends.
- I hope she knows where to get off the bus.
KnowWe commonly use the verb know with a noun phrase, with a that-clause or with a wh-clause (e.g. who, where, why): …
Know how + infinitiveWe do not commonly use know + to-infinitive. We use know how + to-infinitive: …
You knowWe use you know very often in speaking as a discourse marker. We use it to check that the people we are speaking to share the same knowledge as us and understand what we are saying: …
Thesaurus: synonyms and related words