`3.1`
1. Right
2. Wrong - Have you eaten `->` Did you eat
3. Right
4. Wrong - I’ve bought `->` I bought
5. Wrong - have you been `->` were you
6. Wrong - has left `->` left
7. Right
8. Right
9. Right
10. Wrong - has this book been `->` was this book
`3.2`
1. It hasn’t rained this week.
2. The weather has been cold recently.
3. It was cold last week.
4. I didn’t read a newspaper yesterday.
5. I haven’t read a newspaper today.
6. Emily has earned a lot of money this year.
7. She didn’t earn so much last year.
8. Have you had a holiday recently?
`3.3`
1. did you finish
2. got - was - went
3. wasn't
4. worked
5. had lived
6. did you go - was - was
7. died - met
8. have never met
9. have you live - have you live - did you live
