10. It's ten years since Robert and Catherine got married

- It's... since QKD

11. They haven't deaned the room for 2 weeks

- S have/has not VPII for ..

12. John hasn't had his hair cut for over six months

- S have/has not VPII for ..

13. When did you last ride a bicycle?

- Wh- did S V?

14. When did he last write to you?

- Wh- did S V?

15. How long hasn't he talked to you?

- Wh- have/has S VPII?

16. How long haven't you telephoned him?

- Wh- have/has S VPII?

17. It's the first time we have ever eaten this kind of food

- It's the .. time HTHT

18. I have never seen this film before

- S have/has never VPII before

19. He hasn't gone abroad before

- S have/has not VPII before

20. She has droven for 1 month

- S have/has VPII for..