Lesson 14, Unit 6, p. 44-45
Date: 2015-10-07; view: 470.
Êóðñ, 1 ñåìåñòð (ÄËß ÑÀÌÎÑÒ²ÉÍÎÃÎ ÎÏÐÀÖÞÂÀÍÍß)
Grammar:obligation andpermission in the present
Ex. 1Complete the sentences with have to / has to / don't have to / doesn't have to.
1. Sam has got a toothache so he … visit his dentist today. 2. Sally has recovered so now she … stay in bed any more. 3. Mary and Peter can't come to our party because they … study for the test. 4. Tom and Mary have got a washing-machine, so they … go to the launderette. 5. Sally is very rich, so she … work. 6. Jack … wear a suit and a tie at work because the manager says so. 7. I never make a mess, so I … tidy me room very often. 8. Jane's mother never wakes her up, so she … use an alarm clock. 9. Ann's eyes are not very good, so she … wear glasses for reading. 10. I … wear a suit to work but I usually do. 11. He … work at weekends sometimes. 12. My watch is broken. I … buy a new one. 13. … Mary … wear a tie at work? 14. Office workers … usually … work at weekends. 15. You … pay to get into the museum – it's free. 16. It's not a very popular restaurant, so we … book a table.
Ex. 2Choose the correct forms
A: Thanks for offering to look after the kids.
B: You're welcome. What time do they usually go to bed?
A: They can / can't stay up until nine o'clock. They aren't normally allowed to / can stay up so late but there's no school tomorrow.
B: Can / Can't they watch TV before they go to bed?
A: Yes, they are allowed to / can watch TV, but they aren't allowed / can't play any computer games.
B: Will they want me to read them a bedtime story?
A: No, but they can / are allowed to read in bed for half an hour before you turn out their lights.
Ex. 3Compete the conversations, use the correct forms of can or allowed to.
1) A: I'm sorry, you … to smoke here. It's a no-smoking area.
B: Oh. … I smoke in the bar?
A: Yes, you … .
2) C: … we … to take grammar books into the exam?
D: No, I'm afraid you … . But you … take your dictionary.
3) E: … I bring my dog in here?
F: No, sorry. Dogs … to come into the hotel. It'll have to stay in the car.
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