know English[n]美[no]
Third person singular: knows past tense: knew present participle: knowing past participle: known
1. The basic usage of know.
1.know as a verb to dedicate: to know, to know, to understand;Familiarity, acquaintance with hair. For example:
i know the answer.I know the answer.
the cause of the fire is not yet known.The cause of the fire is unknown.
i knew where she was hiding.I know she's hiding**.
2.know as a noun denotes knowledge;Know, know. For example:
somebody in the know told me he's going to resign.
I was told by someone in the know that he was resigning.
Second, the fixed collocation of know:
1.know about of: Used to mean "to hear" or "to know something". For example:
did you know about the meeting?Did you hear about that meeting?
2.know how to do sth: "know how to do something". For example:
do you know how to cook?Do you know how to cook?
3.know that: Used to mean "to know that something is true". For example:
i know that he is lying.I knew he was lying.
4.know sth well: "knows a lot about something". For example:
she knows her job well.She knows her job very well.
5.know for sure: indicates "know for sure". For example:
i don't know for sure, but i think he's le**ing.I'm not sure, but I think he's leaving.
6.know better than to do sth: means "to be wise not to do something". For example:
i know better than to argue with him.I wisely did not quarrel with him.
The above are some common "know" usages and fixed collocations. Hope it helps!