Englishfor English speakers
know
Verb
—
When you know something, you have facts or ideas in your mind.
I knew more things after I went to school.
I know a little Spanish.
I think I can do it, but I don't know.
—
You know a person, if you have met him or her.
Yes, I know John. I met him in class last week.
We want you to know that it will be OK.
what
Pronoun
—
What is used to ask for information about things.
What did you see?
What do you mean?
—
What is used to add a clause with more information.
I don't know what you mean.
I'll tell you what to do.
I'll see what I can do to help.
—
What is used when you want to describe something instead of naming it.
Take what you can find.
Can I see what you did?
I could change it if that's what you want.
what
Determinative
—
What is used to ask about the member(s) of a group.
What book did you buy?
—
What is used to add a clause to identify the member(s) of a group.
I don't know what problems you mean.
I'll tell you what button to push.
I'll see what food I can give.
what
Adjective
—
used to show that you feel strongly about something.
What a great book this is!