1.
I have already done my homework. Now I can go for a walk. 2. I did my
homework yesterday. 3. He has just come home. 4. He came home a minute
ago. 5. Nick played football yesterday. 6. She has already come from school.
Now she is doing her homework. 7. I read this book last year. 8. I have read
this
book this year. 9.1 have never been to Washington. 10. Have you ever been to
New York?
11. Have you ever seen the eruption of a volcano? 12. I have not eaten today yet.
13. He
didn’t eat yesterday. 14. Did you play the piano yesterday? 15. Have you played
the
piano today? 16. What have you prepared for today? 17. Look at this bird-house.
Mike has made it himself. He made it last Sunday. 18. Where did you put my
pen? I cannot find it. 19. Have you seen Mary today? 20. When did you see Mary?
— I saw her last week. 21. Did your mother promise to take you to the theatre?
22. Look at my new dress! I have made it myself. 23. He is not at school today,
he
has fallen ill. — When did he fall ill? — He fell ill yesterday.