1. a letter arrives at you house. you are sure it is from paul. a it might be from paul. b it must be from paul. c it may have been from paul. 2. you have toothache. your mother gives you some advice. a you may go to the dentist. b you should go to the dentist. c you might go to the dentist. 3. you are looking for your scarf. you think it’s upstairs. a it can’t be upstairs. b it should be upstairs. c it could be upstairs. 4. your father told you to do your homework. you tell your friends. a i will do my homework. b i have to do my homework. c i might do my homework. 5. you want your neighbour to babysit for you tonight. a would you babysit for me tonight? b shall you babysit for me tonight? c must you babysit for me tonight? 6. you did the washing up for your mother, but she didn’t expect you to. a you mustn’t have done the washing up. b you might not have done the washing up. c you needn’t have done the washing up. 7. there was a good film on tv. you’re sure john didn’t watch it. a john should have watched it. b john might have watched it. c john can’t have watched it. 8. you want to have a pet in your flat, but your landlord tells you it isn’t allowed. a you mustn’t keep pets in the flat. b you needn’t keep pets in the flat. c you will not keep pets in the flat. 9. an old lady is trying to open the door. you offer to do it for her. a couldn’t i open the door for you? b must i open the door for you? c shall i open the door for you? 10. you offer to do the shopping, but your mother says it isn’t necessary. a you must do the shopping. b you needn’t do the shopping. c you could do the shopping.
2. B You should go to the dentist.
3. B It should be upstairs.
4. B I have to do my homework.
5. A Would you babysit for me tonight?
6. C You needn’t have done the washing up.
7. C John can’t have watched it.
8. A You mustn’t keep pets in the flat.
9. C Shall I open the door for you?
10. B You needn’t do the shopping.