15 Complete the sentences using the most suitable modal verbs: must, have to.
1. You go to bed immediately. It's midnight already. 2. You ...
feed the dog tonight. I'll be out. 3. If you want to be a pupil of the
school specializing in science, you will ... improve your maths.
1. You are coughing too badly. You really ... stop smoking and you
definitely ... not stay too long in the cold, Mr Gordon. 5. I have put
on weight. I really ... stop eating so much cake and chocolate. 6. The
accident was
your fault. You ... be more careful in future.
you wear these tight trousers whenever your granny comes?
She always gets furious when she sees you in them. 8. You ... phone
Alice about the meeting tomorrow. Boris has already explained every-
thing to her. 9. Clara ... go shopping yesterday. None of the family
could do it except her. 10. ... you always be talking in my class,
Charlie?
7.
..
2. did the first lecture begin at 9 o'clock yesterday? the first lecture didn't begin at 9 o'clock yesterday.
3. did they spend much time at the swimming pool yesterday? they didn't spend much time at the swimming pool yesterday.
4. did our team win five gold medals last month? our team didn't win five gold medals last month.
5. did we pass our term examinations successfully last week? We didn't pass our term examinations successfully last week.