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1、8AU5Grammar1情态动词表猜测。1.肯定猜测“一定是”：mustShe must be sick, Tatiana thought. 她一定是病了，塔蒂亚娜心想。2.肯定猜测“可能是”：mayI may be back next year. 我可能明年回来。拓展might是may的过去式，表示推测时，可能性比may更小。I might get a paper in the town. 我或许能在城里买到一份报纸。3.否定猜测“不可能”：cantThat can't be him. He is in New York now. 那不可能是他。他现在在纽约呢。4.否定猜测“可能不”
2、：may not（很少考）It may not be a great suggestion. 这可能不是个好的建议。经典例题(1)Who is making much noise? It _ be Timmy. He is sleeping now.A. cant B. may notC. mustnt D. couldnt(2)Cathy, I just helped you clean up your room.Thanks. But you _ do it. I could manage(设法完成) it myself.A. cant B.mustnt C. neednt D.shoul
3、dnt(3)Do you have any plans for this Sunday?Im not sure. I _ go to the countryside to see my grandmother.A. can B. must C. may D. need(4)Is the woman over there Lilys mother?Oh, that _ be her mother. She looks so young!A.should B. must C. cant D. may(5)Wow, another gift! What's in the box?I'
4、m not sure. It _ be a smartphone.A. must B. would C. may D. should(6)Will it be sunny this afternoon?It _fine. Who knows? The weather (天气) always changes quickly.A.must be B. will be C. may be D. can be(7)You _ play in the new skirt in the street or youll get it dirty. The note on the wall says No.A
5、. couldnt B. mustnt C. may not D. neednt(8)How nice the building is! What is it for?It _ an five-star hotel. But Im not sure. A.maybe B. have to be C. can D. may be(9)Will Jimmy go to the party this evening? She_go, but Im not sure.A. should B. can C. may D. must(10)Will David join us? He _ come. Yo
6、u know, he changes his mind so often. A. should B. need C. may D. must答案：ACCCC CBDCC(11)2021·辽宁朝阳What will the weather be like tomorrow?It _ be rainy, cloudy or sunny. I am not sure.AmustBmayCcantDshould(12)2021·贵州贵阳Gina, whose book is this?It _ be Carlas. Charles Dickens is her favorite w
7、riter.Amust Bcan Cmay(13)2021·江苏宿迁市Sandy, is Mr Li in the teachers office now? I am not sure. He _ be there.AmustBcantCmustntDmay(14)2020 黔西南州There is a knock at the door. It_my mom. Its time for her to be back home.A. may beB. may not beC. must beD. mustnt be(15)2020 凉山州- Is that Mary over the
8、re?- It _be her. She has gone to Kunming.A. mayB. mustC. can'tD. mustn't(16)2020 无锡You _ be able to control all the things that happen to you, but you can decide not to be reduced by them.A. need notB. may notC. must notD. should not(17)2020 铁岭葫芦岛Jane, I saw your mother yesterday.It _ be her
9、. She is working abroad.A. mustn'tB. can'tC. shouldn'tD. couldn't(18)2020 昆明市You are not allowed to play with fire in the forest. It _kill plants, animals and even people.A. mightB. might notC. shouldD. should not(19)2020 四川省遂宁Mr. Smith_ be in the office. Because he has gone to Cheng
10、du on business.AmustntBshouldntCcantDneednt(20)2020 天津I _ be late, so dont wait for me to start the meeting.AmustntBneedntCneedDmay答案：BADCC BBACD(11)句意：明天天气如何？可能是雨天，多云或晴天。我不确定。(12)句意：吉娜，这是谁的书？一定是卡拉的。查尔斯·狄更斯是她最喜欢的作家。(13)句意：桑迪，李先生现在在教师办公室吗？我不确定。他可能在那儿。(14)句意：有人敲门，一定是妈妈 该是她回家的时候了。(15)句意：那边的是玛
11、丽吗？不可能是她。她去昆明了。(16)句意：你可能无法控制发生在你身上的所有事情，但你可以决定不被它们拖累。(17)句意：简，我昨天看到你母亲了。不可能是她。她正在国外工作。(18)句意：不准在森林里玩火。它可能会杀死植物、动物甚至人类。(19)句意：史密斯先生不可能在办公室。因为他已经去成都出差了。(20)句意：我可能要迟到了，因此开始开会吧，不要等我。(21)2020 黑龙江牡丹江、鸡西地区Where is Monica? I can't find her anywhere.She _ be in the library. She loves reading books when
12、she is free.A. canB. mustC. can't(22)2021·湖南湘潭Richard _ be at home because he phoned me from the office just now.AneedntBmustntCcant(23)2021·湖北恩施土家族苗族自治州Whose T-shirt is this, Michael?It _ not be mine. Mine is white.AneedBcanCmust(24)2021·山东菏泽 I wonder if these are Jims glasses. T
13、hey _ be his. He doesnt wear glasses.Acould Bmust Ccant(25)Could I ride an electric (电动的)bicycle to school, Mr Wang?No, you _. Students under the age of 16 _ ride it.A. couldnt ; mustnt B. couldnt ; must C. cant ; mustnt D. cant ; must(26)You _ lose your way if you walk alone in the mountains at nig
14、ht.A. may B. need C. can D. should答案：BCBCC A(21)句意：莫妮卡在哪里？我到处都找不到她。她一定在图书馆。她有空的时候喜欢读书。(22)句意：理查德不可能在家，因为他刚才从办公室给我打了电话。(23)句意：迈克尔，这是谁的T恤？不可能是我的。我的是白色的。(24)句意：我想知道眼镜是否是吉姆的。一定不是他的，他不戴眼镜。【知识梳理1】The horse is standing with its eyes closed.(P61)closed，形容词，意为“关闭的，封闭的；密闭的；”。反义词为open。Her eyes were tightly clo
15、sed. 她的双眼紧闭着。【知识梳理2】They can learn to work out easy maths problems.(P62)它们能学会计算简单的数学题。work out为动词短语，意为“解决；作出”，其结构为“动词+副词”。如接宾格代词作宾语，宾格代词只能放在work和out之间。The boy tried to work it out himself. 那男孩试图自己解决它。巩固练习(1)海豚能学会算出简单的数学题。答案：(1)The dolphins can learn to work out easy maths problems.经典例题(1)Wolves ofte
16、n work _a team and they never kill for _.A. as; funnyB. for; funC. as; funD. for; funny(2)This problem is too difficult for me to _.A.work out B.work it out C.work out it D.work答案：CA【知识梳理3】Bees always remember to come back the same way as they went.(P62)蜜蜂总是能够记得顺着原路返回。the sameas，固定搭配，意为“和一样的”，same，意
17、为“相同的”，其反义词为different。I'd like one the same as yours. 我要一个和你一样的。经典例题(1)This pair of binoculars _ the same size _Amys.A. look, as B. are, as C. looks, as D. is, like (2)Johns tie is _ Tinas tie.A. the same to B. the same as C. the same with D. the same for(3)Johns tie and Tinas tie are _.A. same B. the same C. the same as D. like答案：CBB