Future Simple
We will go to the concert, won't we?
He won't work in the ivening, wiil he?
Present Continuous
They are playing in the yard, aren't they?
He isn't reading at the moment, is he?
Present Perfect
She has done her homework, hasn't she?
We haven't received the invitation, have we?
Past Simple
She went shopping yesterday, didn't she?
He didn't spend all his money last Friday, did he?