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                                        82 UNIT 13UNIT 13 MUST / HAVE TOMUST We use must to: %uf0d8 talk about obligation.%uf0fc I must get up early. %uf0fc She must attend the meeting. %uf0d8 give strong advice. %uf0fc You have got an exam. You must study a lot. %uf0fc It%u2019s cold outside. You must put on your coat. We use must not (mustn%u2019t) to talk about things we aren%u2019t allowed to do. %uf0fc You mustn%u2019t take photos in the museum. %uf0fc He mustn%u2019t wear casual clothes at home. We use bare infinitive after must and must not (mustn%u2019t).  %uf0fc We must wash our hands before meals. %uf0fc We mustn%u2019t sleep late.Affirmative Negative Questions Short AnswersI must doYou must doHe must doShe must doIt must doWe must doYou must doThey must doI mustn%u2019t doYou mustn%u2019t doHe mustn%u2019t doShe mustn%u2019t doIt mustn%u2019t doWe mustn%u2019t doYou mustn%u2019t doThey mustn%u2019t doMust I do%u2026?Must you do%u2026?Must he do%u2026?Must she do%u2026?Must it do%u2026?Must we do%u2026Must you do%u2026?Must they do%u2026?Yes, I must.Yes, you must.Yes, he must.Yes, she must.Yes, it must.Yes, we must.Yes, you must.Yes, they must.No, I mustn%u2019t.No, you mustn%u2019t.No, he mustn%u2019t.No, she mustn%u2019t.No, it mustn%u2019t.No, we mustn%u2019t.No, you mustn%u2019t.No, they mustn%u2019t.1 Complete sentences. Use must or mustn%u2019t. 1. You ___must__ brush your teeth three times a day. 5. You ________ talk loudly in the hospital.2. He _________ come home late. Because his parents 6. Children ________ play football in the  wants him to stay at home in the evenings. house.3. Umay _______ finish her homework today. 7. You __________ watch TV too much. 4. Carol has got a terrible cough. She __________ see 8. We _________ drink fizzy drinks. Because a doctor. they are unhealthy.2 Look at the hospital rules. Rewrite the rules with must or mustn%u2019t.1. Don%u2019t make any noise. 4. Don%u2019t bring your pets to the hospital.__You mustn%u2019t make any noise _______ __________________________________2. Be respectful to other patients and staffs. 5. Visit patients at only visiting hours.____________________________________ __________________________________3. Don%u2019t smoke in the hospital. 6. Come your appointment on time.____________________________________ __________________________________

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