Question

Answer 1

1 have worked

2 has studied

3 haven't seen

4 have lived

5 have - met

6 have - been

7 have - learnt

8 has written

9 have built

10 has taught

Answer 2

1. have worked

2. has studied

3. haven't seen

4. have lived

5. Have you met

6. Where have you been

7. have you learnt

8. has written

9. have built

10. has taught