2.He has never flown in a Concorde.
3.Have you ever heard of that?
4. Jane hasn't always lived in the city.
5. Where have you been all this time?
6.It's the first time the children have visitedLondon.
7.Why haven't you done your homework?
8. I think we have bought everything we need your for the cake.
9. She doesn't know where your wallet is. She hasn't seen.
10.Where have you put all the CDs?