Exercise 11. Answer the following questions using “don’t have to” or “needn’t. ” Work in pairs.
1. Must I watch all his movements? 2. Should I be nice to
her? 3. Must I phone you every day? 4. Do I have to come
here again tomorrow? 5. Must I wear this dress at the party?
6. Should I insist on his coming? 7. Must we do this exercise
in writing? 8. Should I listen to her? 9. Do you have to type
all these letters tonight? 10. Do you have to get up at 6 o’clock
tomorrow? 11. Do we have to pay for the lunch? 12. Should
wear a uniform at the ceremony? 13. Do you have to serve
coffee to the visitors? 14. Do I have to stay till they come?
15. Do I have to explain my absence?

1. No, you don't have to.

2. No, you needn't.

3. No, you don't have to.

4. No, you don't have to.

5. No, you don't have to.

6. No, you needn't.

7. No, you don't have to.

8. No, you needn't.

9. No, I don't have to.

10. No, I don't have to.

11. No, you don't have to.

12. No, you needn't.

13. No, I don't have to.

14. No, you don't have to.

15. No, you don't have to.

dear students and teachers/

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1) is my sister  leaving to her place at the moment?   2) i  read  this book yesterday.3) you will play the piano tomorrow.4) we are returning from the museum now.5)our friends  do not  see mary every day.6) did the new school begin  working last year? 7)he often  speaks to me.8)he was  discussing that problem the whole morning yesterday.9)i will be reading this article at two o'clock tomorrow.