Collocations for know - verb

full well, perfectly well, very well
I don't know for certain, but I think she lives in the next town.
You know very well what I'm talking about!

for certain, for sure
I don't know for certain, but I think she lives in the next town.

just
I just knew there would be problems.

honestly not
I honestly don't know what they mean to do.

beforehand
If I'd known beforehand how bad it would be, I wouldn't have gone.

let sb
Please let me know (= tell me) if there's anything I can do to help.

about
He knows a lot about music.

of
I don't know of anyone who might be interested in the job.

be widely known
It is widely known that CFCs can damage the ozone layer.

know a lot, nothing, very little, etc.
you never know
Be prepared for rain—you never know what the weather will be like.

exactly, precisely
I know exactly how you feel.

immediately, instantly
I instantly knew what the call was about.

instinctively
He knew instinctively where he would find her.

the next thing I, he, etc. knew
The next thing I knew, I was waking up in hospital.

well
I don't know John very well.

poorly
The properties of this substance are poorly known.

barely, hardly
But I hardly know the woman!

personally
I don't know them personally.

internationally, nationally

get to
She's very nice when you get to know her

for
He is internationally known for his work with vaccines.

be known to sb
This man is known to the police (= as a criminal).

be widely known

commonly, popularly
affectionately
collectively
parts of the body known collectively as the sensory system

variously
The drug is variously known as crack or freebase.

locally
formerly, previously
Iran was formerly known as Persia.

to
He was known as Bonzo to his friends.

Know is used with these nouns as the subject:
scientist

Know is used with these nouns as the object:
alphabet, answer, basics, cause, custom, danger, difference, enemy, etiquette, extent, fact, fate, feeling, futility, gossip, horror, identity, intention, job, language, limitation, love, manner, motive, name, outcome, pain, password, place, poem, poetry, right, risk, route, routine, rule, secret, short cut, terrain, thing, thought, trick, truth, voice, way, weakness, whereabouts, word, workings, worth