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1、,主题色,强调色,正文色,搭配色,主题色,强调色,正文色,搭配色,主题色,强调色,正文色,搭配色,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,0,主题色,强调色,正文色,搭配色,主题色,强调色,正文色,搭配色,主题色,强调色,正文色,搭配色,情,态,动,词,主讲人：,I must be stronger than you.,1.I,may,be taller than you.,2.You,must,be the best one in your class.,3.You,cant,play computer games.,4.I,cant,be 18
2、years old.,5.Teenagers,shouldnt,be allowed to drive a car!,6.You,will,listen to me carefully.,Learning Objectives,2.,掌握情态动词,意义的辨析。,1.,掌握情态动词的基本用法。,3.,掌握情态动词,must,的否定回答及,cant/couldnt,表猜测用法。,What are modal verbs?,情态动词，言外之意,“,表情感态度的动词,”.,说明,说话人的情绪、态度和语气。,本身有一定词义，须与动词原形一起构成谓语。,frequently used modal verb
3、s,can,（,cant)could(couldnt),may (may not)might(might not),shall(shall not)should(shouldnt),will (wont)would,(wouldnt),must (mustnt),have to(dont have to),need (neednt)had better(had better not),情态动词一般,无单三形式,have to,除外,情态动词不能单独作谓语，须与动词原形一起使用。,The features of modal verbs,eg:He can play soccer.,He has
4、to get up early.,eg:,He can English.,He can speak English.,x,用指针指向的情态动词造句（可根据所给句型）,Game time!,He,can/could/must/may/might/shall/should/need/will/would/had better/,has to,+,work,in that factory.,How to use modal verbs correctly?,壹,贰,叁,肆,Make assumptions,（表猜测）,For permission,表许可,Make requests,表请求,Show
5、 willingness,（表意愿）,F,unction,s,of,modal verbs,伍,Show suggestions,（表提议）,1.must,主观,看法,have to,客观,需要，。,eg:I,must,try my best,.（自己主观上的意志）,eg:I,have to,take care of my sister because my parents are really busy,.（客观原因的不得不）,We,had to,go home on foot.,He,has to,cook his own meals.,must/have to:,需注意的是：have t
6、o有人称、数、时态的变化（,have/has/had to,），must只有一种形式。,必须,must,的否定回答,Must I clean the dining room at once?,-,Yes,you must.,（,是的，你必须）,-,No,you neednt.（,不，你不必）,-,No,you dont have to.,mustn,t 表示禁止,.,注意：,need,既是情态动词，,也可做实义动词,后接带,to,的不定式，意为“需要做”,。,eg:He need buy a book.,He needs to buy a book.,看图填空,must/have to,Mom
7、:,Its raining all day today.We _ take an umbrella if we go out.,Son:,Ok.Mom.,have to,should,:,应该，用于各种人称。,1,.,She,should,call the police.,2.It,should,be there.,推测,说话人的建议,had better,（,not,）,do sth.,eg:Youd better take an umbrella.,Hed better not eat any food.,had better=d better,最好,表建议，最好做,/,不做某事，否则会有
8、麻烦。,can:,可以，可能，表示能力，允许或推测,1,.,She,can,dance very well,.,能力,2.You,can,use my book.,3.He,cant,have a lot of money.,允许,推测（非常有把握）,与,can,有关的短语：,can,t,help doing/,cant stop doing.,禁不住做某事，忍不住做某事,cant wait to do,迫不及待做某事,1.I,couldnt,dance when I was five,.,2.He asked whether he,could,take the books out,.,3.S
9、he looks very young.She,couldnt/cant,be over sixty.,could:,过去的能力,过去的许可,猜测。,过去现在,皆可,语气缓和,1.can,的过去式。,2.,表委婉语气。比,can,更为委婉。,4.Could you help me?,委婉语气,注意：,在委婉语气中,，回答中不可用could。,-Could I have a cup of milk tea?,-Yes,you,can,./No,you,cant,.,might:,1.,may,的过去式。,2.,表委婉语气。比,may,更为委婉。,may,:,可能，可以,比,can,语气更弱。,1
10、.,May,I use your notes?,2,.She asked if she,might,come back.,3,.He,might,come next week,but I am not sure.,征求意见,过去的许可,猜测,语气较弱,May I fish here?,Sorry,you,_,.Look at the sign”No fishing”!,A.may,B.mustnt,C.neednt,D.can,shall:,用于第一、三,(,较少）人称，构成疑问句，表示征求对方意见或意愿,Shall,I open the window?,Shall,we have coffe
11、e outside?,will:,愿、会,1.He,will,do anything for his team.,意愿、意志，可用于多种人称,2.,Will,you open the door for me,please?,在疑问句中用于第二人称，表示询问对方的意愿或向对方提出请求,注意与助动词用法的,区分：,I will go to the park if it doesnt rain tomorrow.,1.will 的过去式，表示过去时间的“意志、意愿”，可用于多种人称,He said that he,would,help us.,2.,would 表婉转。,He,would like,
12、to have a try.（想要）,Would,you,like,me to carry it for you?,would:,1.will,的过去式。,2.,表委婉语气。比,will,更为委婉。,A brief summary,表请求,must can,have to could,should may,need might,had better shall,can,could,may,might,must,should,can,could,may,might,will,would,A brief summary,表推测,表意愿,表建议,提议,表允许,can,could,may,might,
13、直击中考,1.The boss has given everyone a special holiday,so we _ go to work tomorrow.(,上海,2022),A.cant B.mustnt,C.neednt D.shouldnt,【,点拨,】,考查情态动词。根据题意,可知这里表示“没有必要”,故只能选,C,项。,Must I finish reading the book today,Mr.Brown?,No,you _.You can finish it in two days.,A.neednt,B.mustnt,2,.,C.cant,D.couldnt,【,点拨
14、,】,：本题考查的是,must,的否定回答，一定不是,mustnt.,只能是,neednt,或是,dont have to.,Finally,they came back.,They _ be hungry after such a long walk.,A.cant,B.must,3.,C.neednt,D.couldnt,【,点拨,】,：本题考查的是,must,的肯定推测，表示非常有把握。,May I park my car here,?,No,you,_,.Cant you see the sign?,A.mustnt,B.wouldnt,4.,C.neednt,D.couldnt,【,
15、点拨,】,：本题考查的是,may,的否定回答，表达强烈的语气。,The book,_,be Marys,.,Because hers is here.,A.need,B.must,5.,C.cant,D.neednt,【,点拨,】,：本题考查的是,cant,的否定推测，表示非常有把握。,How often do I need to feed the birds?,They,_,food every day.Or they will be hungry.,A.must give,B.mustnt give,6.,C.must be given,D.mustnt be given,【,点拨,】,：
16、本题考查的是,must,强烈的语气及其在被动语态中的运用。,I must study hard,.,I shall not run away from difficulties,.,I have a dream.,I can make it,.,I will make it!,I will try my best,.,And I believe,Lets enjoy a picture.,From now on,1.Write a short paragraph with modal verbs on any subject.,2.Make up six sentences with modal verbs.,Homework,Or.,Thank,s,for,your,listening!,
