know

I don't know what to do.

Do you know how to play the guitar?

Do you know the title of this song?

I don't know anyone here.

I don't know if she will come to the party.

I don't know if she will come.

I don't know what to say.

I don't know where he is.

I don't know whether she will come or not.

I know a girl whose father is a doctor.

I know someone who cooks well.

I know that he is honest.

I know that you are busy.

I know the man that she likes.

We know the girl singing on the stage.

I know the answer.

I know the answer to this question.

She knows me.

She knows many people at the party.

He knows the way to the station.

I knew the answer right away.

I knew the answer yesterday.

They knew about the change.

I have known him for years.