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1、GrammarUnit 8 It must belong to Carla. 1. can, may, must, could, might, must2. shall, will should, would3. be able to, have to4. need, dare1. 会运用不同的情态动词表示推测。会运用不同的情态动词表示推测。2. 会梳理情态动词的用法。会梳理情态动词的用法。3. 学会整理自己的东西，井井有条。学会整理自己的东西，井井有条。1. - Whose notebook is this?- It must be Mings. It has her name on it.
2、2. - Whose French book is this?- It could be Carols. She studies French.3. - Whose guitar is this?- It might belong to Alice. She plays the guitar.4. - Whose T-shirt is this?- It cant be Johns. It is too small for him. 表示可能性最大的肯定推测，表示可能性最大的肯定推测，意思是意思是“一定、准是一定、准是”。只能用于。只能用于肯定句。如果要表示肯定句。如果要表示“一定不一定不”，
3、应该用应该用cant。e.g.He must know the answer.他肯定知道答案。他肯定知道答案。He cant know the answer.他肯定不知道答案他肯定不知道答案can表示推测表示推测“可能性可能性”时，一般用于否时，一般用于否定句。定句。e.g. He can t pick her schoolbag up. 他不可能拿了她的书包。他不可能拿了她的书包。could 用于表示某事有可能发生或可能用于表示某事有可能发生或可能是事实。是事实。e.g. Dont eat it. It could go bad. 不要吃它，它可能坏了。不要吃它，它可能坏了。 The pla
4、ne could be put off by the storm. 这趟飞机可能会因为暴风雨而推迟。这趟飞机可能会因为暴风雨而推迟。 could可用于表示客气、礼貌、委婉的可用于表示客气、礼貌、委婉的 请求语气。请求语气。e.g. Could you please help me with my homework? 你能帮我完成我的家庭作业吗？你能帮我完成我的家庭作业吗？may, might表示推测表示推测“可能性可能性”时，意思是时，意思是“可可能能”，“也许也许”。might不表示过去时态，语气不表示过去时态，语气更委婉，可能性更小。更委婉，可能性更小。may，might表推测时，表推测时
5、，可用于否定句，但不用于疑问句。可用于否定句，但不用于疑问句。e.g. He may/ might not be at home, but Im not sure. 他可能不在家，不过我也不确定。他可能不在家，不过我也不确定。4aChoose the best way to complete each sentence using the words in brackets.1. A: Wheres Jean? B: Im not sure. She _ (is/ might be/ must be) in the laboratory.might be2. A: Everyone is go
6、ing to the pool after school. B: Really? It _ (must be / cant be /could be ) hot outdoors.must be表示表示“位移位移”的动词用现在进行时态表的动词用现在进行时态表将来，例如：将来，例如：go去，去，come来，来，leave离离开，开，arrive到达，到达，return 回来，回来，fly 飞。飞。e.g. I am coming.=I will come. He is leaving for Paris.=He will leave for Paris.adv. 在户外，在野外在户外，在野外3.
7、 A: Thats the phone. B: Hmm. I wonder who it _ (must be / could be / should be).could be4. A: I wonder if there are Jims glasses. B: They _ (cant be / might be / could be) his. He doesnt wear glasses.cant bewonder v. “想知道想知道” (want to know)5. A: I hear water running in the bathroom. B: It _ (could b
8、e / must be / cant be) Carla. She was thinking of taking a shower.could be/ must be1. A: Many people are wearing coats. B: The weather must be _ _.2. A: Sally has been coughing a lot. B: She might be _. getting colder/ cold outsidehaving a sore throat/ ill4bComplete these responses.3. A: This restau
9、rant is always very crowded. B: The food _.4. A: Whenever I try to read this book, I feel sleepy. B: It cant _.must be deliciousbe that boring【浙江湖州浙江湖州】 Whos singing in the next room? It _ be her. She has gone to New York. A. cant B. must C. shouldnt D. canA【2011湖北黄冈湖北黄冈】41. Whose T - shirt is this?
10、It _ be John s. Its _ small for him. A. cant; much too B. cant; too much C. mustnt; much too D. mustnt; too muchA【2013天津天津】 Where are you going this month? We_ go to Xiamen, but were not sure. A. neednt B. must C. might D. mustntC【2013福建泉州福建泉州】- Have you decided where to go for your summer vacation?
11、- Not yet. We _ go to Qingdao. Its a good place for vacation. A. may B. need C. must A【2014铜仁铜仁】 Must I water the flowers now, mum?No, you _. You _ do it later. A. mustnt; must B. mustnt; may C. neednt; may D. neednt; must【2014连云港连云港】 _ I know by what time you want the project to be done?By the day
12、after tomorrow. _ you finish it on time? A. May; Can B. Must; Need C. Could; Must D. Need; Would C A【2014长沙长沙】Whos singing in the garden?It _ be Mr. Brown. He always practices singing at this time. A. must B. cant C. need【2014河北河北】I _ follow you. Would you please repeat it? A. cant B. mustnt C. neednt D. shouldnt AA Homework 1.Copy the new word and the phrases.2.2. Preview the next lesson.3.3. Finish the exercises.
