13.1

3. RIGHT

4. were you

5. graduated

6. Did you see

7. RIGHT

8. was

9. wasn't 

10. RIGHT

13.2 

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. Kate has earned a lot of money thi year.

7. She didn't earn as mch last year.

8. Have you taken a vaation recently?

13.3

2. got, was, went

3. wasn't

4. has worked

5. has lived

6. Did you go

7. died, have never met

8. have never met

9. have you lived, have you lived, did you live

`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