1) She has not come back from school yet.
2) My parents have not used Skype before.
3) You have always liked flowers.
4) She has opened the window.
5) Have they invited you?
6) Nick has not finished his exam yet.
7) What presents has she bought?
8) They have moved to Sydney recently.
9) He has not lost his ticket.
10) Have you called Jane?
