2. 

1. (-) He hasn't lived here for three years.

? Has he lived here for three years?

2. 

(+) We have been here for two weeks

(?) Have we been here for two week?

3 

(+) They have missed the train

(-) They haven't missed the train

4. 

(-) I haven't had breakfast this morning

(?) Have you had breakfast this morning?

5. 

(+) She has passed the exam.

(?) Has she passed the exam?

6. 

(+) I have met his mother.

(-) I haven't met hiss mother

7. 

(-) We haven't eaten too much chocolate

(?) Have we eaten too much chocolate?

8. 

(+) I have known David for ten years

(?) Have you known David for ten years?

--

3. 

1. have lived 

2. have worked

3. has read

4. have known

5. haven't seen

6. haven't worked

7. have bought

8. haven't planned

9. have you been 

10. has written

11. Have you been 

12. hasn't started

13. Has he spoken

14. hasn't had

15. has just caught

16. has already invited

17. has made 

18. has lost 

19. have just cleaned

20. have given up

1. have lived

2. have work

3. has read

4. have known

5. haven't seen

6. haven't 

7. have buy

9. haven't planed

10. where have you been

11. have you been at school

12. hasn't started

13. has he spoken....

14. hasn't

15. just catched

16. already invited

17. has made

18. has lost

19. just clean

20. have given up