Fill in must, mustn't have to, don't have to, doesn't have to, should or shouldn't
1. They ... eat too much cake.
2. You ... eat too much salt and sugar.
3. We're going to the restaurant, so our mother ... cook tonight.
4. It's quite cold today. We ... wear our jackets.
5. You ... forget to turn off the light before you leave.
6. It's getting late. I think I... go now.
7. Boys and girls, you ... hand in your essays by Thursday.
8. Tom ... take a bus because his dad drives him to school every morning.
9. You ... tell me lies. It's just awful.
10.We... tidy up our room because our sister did it yesterday.
11. You ... smoke on board the plane.
B: Yes, but I think I think she's busy at the moment. She's washing her hair.
1. A: I'm thinking of buying a new computer.
B: But computers cost so much money. What's wrong with the one we've got?
A: it's getting out of date now.
2. A: Your new trousers look nice.
B: Thank you. The trouble is they don't fit properly. I don't know why I bought them, really.
3. A: What are you doing?
B: I'm weighing this letter. I need to know how many stamps to put on it.
4. A: I think this road is really dangerous. Look how fast that lorry is going.
B: I agree. People shouldn't go so fast.
5. A: I like musicals. And this is a great show, isn't it? Are you enjoying it?
B: Yes, I am. I love every minute of it.
6. A: I'm always falling asleep. I just can't keep awake.
B: What time do you go to bed?
A: About ten o'clock usually. But it doesn't make any difference.
7. A: Could you post the goods to me, please?
B: Yes, certainly.
A: I'm living at a guest house at the moment as I'm looking for a flat.
So could you send it to my work address?
B: Yes, of course. And you'll have the goods by the end of the week, I promise.
8. A: Why do you want to change the whole plan?
B: I'm just not happy with it
A: And I don't understand why you are so difficult about it.