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中考英语专项复习情态动词十二导学案无答案人教新目标版1.doc

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1、情态动词(十二)【复习目标】 掌握初中阶段情态动词的基本用法。【导学过程】情态动词有can (could), may (might), must, have to, be able to, need (needed)等。 情态动词无人称和数的变化;不能单独使用,必须与其后的动词原形构成谓语(一)can, could1) 表示能力(体力、知识、技能)。Can you lift this heavy box?(体力)Mary can speak three languages(知识) Can you skate?(技能)2) 表示请求和允许。-Can I go now? - Yes, you ca

2、n/ No, you cant 此时可与may互换。在疑问句中还可用could, might代替,不是过去式,只是语气更委婉, 不能用于肯定句和答语中。- Could I come to see you tomorrow?- Yes, you can ( No, Im afraid not)3) 表示客观可能性(客观原因形成的能力)。Theyve changed the timetable, so we can go by bus insteadThis hall can hold 500 people at least4)表示推测(惊讶、怀疑、不相信的态度)用于疑问句、否定句和感叹句中。 C

3、an this be true? This cant be done by him How can this be true?(二)may, might1) 表示请求和允许。might比 may语气更委婉,而不是过去式。否定回答时可用cant或mustnt,表示“不可以,禁止”。-Might/ May I smoke in this room?- No, you mustnt用May I?征徇对方许可时比较正式客气,而用Can I?在口语中更常见。2)用于祈使句,表示祝愿。May you succeed!3) 表示推测、可能性(不用于疑问句)。might不是过去式,它所表示的可能性比may小。

4、1He may /might be very busy now 2Your mother may /might not know the truth(三)must, have to1) must表示必须、必要。You must come in time在回答引出的问句时,如果是否定的,不能用mustnt(禁止,不准),而用neednt, donthave to(不必) -Must we hand in our exercise books today?- Yes, you must - No, you dont have to / you neednt2) must是说话人的主观看法, 而ha

5、ve to则强调客观需要。Must只有一般现在时, have to 有更多的时态形式。3) 表示推测、可能性(只用于肯定的陈述句)1Youre Toms good friend, so you must know what he likes best2Your mother must be waiting for you now(四)needneed 作情态动词用时, 常用于疑问句、否定句。在肯定句中一般用must, have to,等代替。1You neednt come so early2- Need I finish the work today? - Yes, you must/ No

6、, you neednt need作实义动词用时,有人称、时态和数的变化,而need后面只能接带to的不定式。 He needs to finish his homework today(五) should表义务。意为“应该”(某件事宜于做),用于各种人称。You should be polite to your teachers. 你对老师应该有礼貌。(六)would表委婉地提出请求、建议或看法。Would you like another glass of beer? 再来杯啤酒好吗?Would you mind cleaning the window? 请把窗户擦一下好吗?(七) use

7、d to 表示过去的习惯动作或状态,现在不复发生或存在。疑问式和否定式有两种。He used to live in the countryside, but now he lives in the city.他过去住在乡下现在住在城里I usednt (didnt use) to smoke. 我过去不抽烟。Used you (Did you use) to go to school on foot? 你过去常步行去学校吗?一、自主复习试着做下列题,不会的,快速阅读所给教材相关部分,继续完成。1-Must I hand in my exercise book today? -No, you _

8、A.cant B.neednt C.mustnt D.wont2-Who is the boy over there?Is it John?-No,it _be himJohn is much tallerAmustnt Bmay not Ccant Dneednt3John_ come to see us tonight, but he isnt very sure yetAmay Bcan Chas to Dmust4Children _ play with fireAmustnt Bcant Cshouldnt Dneednt5-May I have a word with you? -

9、No,you _Im busy todayAneednt Bwouldnt Cdont have to Dcant二、合作学习(由前后4人组成的大组内合作:把你的答案说出来与同学交流,不同意见进行讨论,小组内达成共识,并将你的困惑提出来让同学帮助解决或求助老师)。【在学生学习过程中,教师巡视,了解学情,都会做的题不用再一个一个的提问,提问意见不一致的题】三、展示交流(教师组织提问,4人小组派代表发言,向全班展示交流学习成果,小组间进行互评纠错、补充)四、互讲巩固(2人小组分别将上述问题答案的原因复述一遍,同位之间进行互讲)。【精讲点拨】根据学情确定所讲内容,重点讲学生讨论交流后还弄不明白的问题

10、以及需要拓展的知识【中考链接】6Joho_cone to see us tonight, but isnt very sure yetAmay BcanChas toDmust7They_do well in the examAcan be able toBbe able to CCan able toDare able to8May I take this book out? No, you_AcantBmay notCneedntDarent9You_go and see a doctor at once because you re got a feverAcanBmustCdareDw

11、ould10-Can you speak Japanese? -No, I_AmustntBcantCneedntDmay not【拓展延伸】填空。先独立做,后小组内交流。11You all those clothes! We have a washing machine to do that sort of thingA.neednt have washedB.shouldnt have washedC.must not have washedD.can not have washed 12When we got to the cinema, the film hasnt started y

12、et, so we _Aneednt hurryBdidnt need hurryCneednt to hurryDneednt have hurried13I cant find the recorder in the roomIt _ by somebodyAmay have been taken away Bmay leave Cmay take away Dmust have taken away14It was really very dangerous; you _ him seriouslyAmight have injured Bcould injure Cshould hav

13、e injured Dmust injure 【达标测评】(4人小组大组长组织评价,2人小组互改,大组长检查,组内交流、达成共识;各组代表与全班交流做题情况,教师讲评)。1Whose Tshirt is this? Is it Johns?It _ be his. Its too small for him.A. cant B. may C. must D. neednt2You dont feel well. I think you _ lie down and have a rest.A. should B. will C. would3-It seems that Mr. Wu is s

14、tanding there.-It _ be him because he called me from Canada just now.A. mustnt B. cant C. neednt D. shouldnt4Please speak_ .I follow you.21cnjycomA. slowly ; can B. quickly; cant C. slow; cant D. slowly; cant5.-Mr Wu, must we bring some water to the park?-No, you_. Drinking water is offered there.A.

15、 shouldnt B. mustnt C. neednt D. cant6 Listen! Is that Millie playing the piano in the room? No, It_be Millie, she has gone to London.A. may not B. neednt C. mustnt D. cant7-I cant stop smoking, doctor.-For your health, Im afraid you _.A. mayB. need C. have to D. must8Must I go to medical school and be a doctor like you, Mom?No, you_, son. Youre free to make your own decision.A. cant B. mustnt C. neednt D. shouldnt9It _be Tom. He has gone to America.A. cant B. mustnt C. may D. can10The film will be on at half past eight.Oh, I _ go now, or I will be late for it.A. must B. may C. can D. maybe

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