know
Base form
know
/nəʊ/
Past simple
knew
/njuː//nuː/
Past participle
known
/nəʊn/
MeaningA1
to have information in your mind
to know something for a fact
In use
- Negative · Form 1I don’t know the way to the new sports centre.
- Question · Form 1Do you know where the nearest chemist is?
- Past simple · Form 2Maria knew the answer straight away in yesterday’s quiz.
- Past simple · Form 2In 2015 nobody knew how popular the app would be.
- Past perfect · Form 3Ben and Tom had known each other for years before they shared a flat.
- Passive · Form 3Our town is known for its old castle.
Watch out
Knew is the past, known the participle; never knowed. The k is silent.
Irregular VerbsLearn all three forms for good
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