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to know
01
to have some information about something
Transitive: to know sth | to know that
Example
Do you know where the nearest gas station is?
He knows that he made a mistake and apologizes for it.
1.1
to be completely certain about something
Transitive: to know that
Example
He knew deep down that he would regret it if he did n't take the job offer.
I do n't know if I'm ready to commit to a long-term relationship.
02
to be acquainted or familiar with a person, thing, place, etc.
Transitive: to know sb/sth
Example
I know the owner of the restaurant, he's a friend of mine.
She knows the city like the back of her hand, having lived there for years.
2.1
to have learned something such as a skill and be able to use it
Transitive: to know how to do something
Example
Do they know how to fix a flat tire?
Do you know how to swim?
2.2
to have experience of something, especially a certain feeling or situation
Transitive: to know sth
Complex Transitive: to know sb/sth to do sth
Example
He knows the pain of loss after his grandmother passed away last year.
I 've never known her to be late before, she's always very punctual.
2.3
to perceive someone or something as a person or thing with particular qualities
Complex Transitive: to know sb/sth as sb/sth
Example
He's known as a charismatic and inspiring speaker who always leaves a lasting impression.
She has become well known as a successful entrepreneur in the tech industry.
2.4
to recognize or identify someone or something as different from others
Transitive: to know sb/sth
Example
She knows her sister's handwriting from anyone else's.
The teacher knows each student by their handwriting.
2.5
to be able to identify a particular person or thing
Transitive: to know sth
Example
I could n't see her face in the dark, but I knew it was my sister from her laugh.
I know that book anywhere - it's my favorite.
2.6
to use a specific title or name for people or things
Complex Transitive: to know sb/sth as sb/sth
Example
John Allen Hendrix was better known by his stage name ' Jimi' Hendrix.
The band was previously known as ' The Quarrymen' before they changed their name to ' The Beatles'.
03
to have sex with someone
Transitive: to know sb
Example
Tom knew Susan in the shower.
Bill knew Sarah on the kitchen table.
