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modals
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MEANING have to & must WHAT DO THESE SENTENCES MEAN? IS THERE ANY DIFFERENCE? In Britain, all school children have to wear a uniform. I must do your homework every day. The obligation is external, i.e., it is a school rule. The obligation is internal, i.e., it is your rule .
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STRUCTURE have to & must
Subject have to has to infinitve complements She has to get up at 7 every day. Subject must infinitve complements Jane must work hard to pass her exams.
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MEANING don’t have to & mustn’t
WHAT DO THESE SENTENCES MEAN? IS THERE ANY DIFFERENCE? In Spain, all school children don’t have to wear a uniform. You mustn’t drive over 100 kilometres an hour. There is no need to wear a uniform. This is a prohibition. You are not allowed to do this.
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STRUCTURE don’t have to & mustn’t
Subject don’t doesn’t have to infinitve complements She doesn’t have to get up at 7 on Sundays. every day. Subject mustn’t infinitve complements Jane mustn’t smoke in the school grounds.
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MEANING should & shouldn’t
WHAT DO THESE SENTENCES MEAN? IS THERE ANY DIFFERENCE? YOU SHOULD DO SOME EXERCISE EVERY DAY. You shouldn’t drink coffee if you can’t sleep. This is something that can be good for you. In other words, you’re giving advice.
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STRUCTURE should & shouldn’t
Subject should shouldn’t infinitve complements She should listen to her mother’s advice. They shouldn’t shout in the classroom.
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Some practical work
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CAN 1. ___ you speak any foreign languages? a. May b. Can c. Have
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HAS TO 2. Liz ___ go to work today. She has an important meeting. a. has to b. must to c. should
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MIGHT 3. Where's Nick? He ___ be in his office. a. might b. mustn't c. is to
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SHOULD 4. You look tired. You ___ go to bed. a. should b. must c. can
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SHALL 5. ___ we stay or leave? a. Will b. Would c. Shall
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SHOULDN’T 6. Jane is so tired. She ___ work days and nights. a. Should b. Mustn’t c. Shouldn’t
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HAVE TO 7. I ___ go to see the doctor because I am very ill. a. must b. must to c. have to
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COULD 8. Thomas ______ walk to school instead of catching the bus. a. shall b. could c. would d. must
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CAN 9. __________ you help me? a. May b. Shall c. Can
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PLAY 10. I can't _____ tennis very well. a. to play b. play c. playing
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SHOULD WE DO 11. What _____ ? a. should she do b. do she should c. should she does
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CAN I COME 12. _____ with you to the party? a. Can I come b. Do I can come c. Can come I
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SHOULDN’T SPEND 13. She _____ so much time playing video games. a. should'nt spend b. shouldn't spend c. shouldn't spends
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SHOULD 14. What _____ I buy him for his birthday? a. should b. can
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CAN’T 15. Speak up! I _____ understand you. a. don't can b. can't c. shouldn't
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Make sentences
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If you want to …. learn English do well in life, keep fit, you have to
you don’t have to you should you shouldn’t work hard. do some sport. learn the grammar. go to university. buy a dictionary. smoke. believe in yourself. speak Spanish in class.
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Exercises online
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