1. We have watched our TV programme.
2. I haven't seen Mike in school today.
3. Nigel has visited the Taj Mahal several times.
4. David has come to London this year.
5. Felix has lost his wallet.
6. It has snowed a lot this winter.
7. The baby has drunk all of his milk.
8. Mary hasn't invited you to her birthday party.
9. My mother has cooked delicious food for dinner.
10. You haven't received any letters this week.
11. Gordon has visited our school several times.
12. Jenny has lost her money.
13. You haven't noticed any changes in her.
14. The postman has delivered the letters.
15. Bill has studied English with his friend.
