Irregular verb
know
/nəʊ/
- Base
- know
- Past simple
- knew
- Past participle
- known
Usage
knew names a past state of mind; known needs have/has/had, as in have known.
Meaning
- to have information or understanding in your mind
Example
I have known Sam since primary school.
She knew the answer immediately.
We knew something was wrong from his tone.