1. "Where is Dad?"- He has just gone.
2. She hasn't read this book yet.
3. Haven't they bought a new car yet?
4. Did they buy a new car last month?
5. My granny hasn't watered the flowers in the morning.
6. Have you been ever to Africa?
7. Fred weren't at home yesterday.
8. Fred has never been to Spain.
9. "My house has burned!”- cried the old woman. 10. Alice took my pen when I wasn't in class.
11. "Where is my pen?"- Alice has taken it.
12. Your sister did her homework yesterday.
13. Hasn't your sister done her homework yet?
14. I heard it a minute ago.
15. I have never heard this lovely song!
16. We came home late yesterday.