Упражнение 3

1. Have you read
2. have they written
3. did he tell
4. Were you
5. have you traveled

Упражнение 4

1. Have you ever tasted
2. have eaten
3. did you eat
4. ate, invited
5. Did you like
6. was, have been, ordered, had

Упражнение 7

1. Have you already played
2. bought, haven't had
3. Did you go
4. was, Have you been
5. went
6. haven't seen
7. Did you enjoy
8. loved, didn't like
9. did you take, told, hated
10. tried, couldn't concentrate

Упражнение 8

1. have just finished
2. has already written
3. moved
4. was
5. haven't been
6. have already traveled
7. went
8. haven't bought
9. Did they spend
10. Have you ever seen