1、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,*,*,*,专题九,情态动词,第1页,情态动词,1,情态动词基本使用方法,分析近3年甘肃中考真题能够看出,情态动词主要在语法与情景对话和完形填空中考查;其基本使用方法和表推测使用方法轮番考查,都有包括。,判断二者方法,就是分析在句子中意义:1.表示“能”“应该”“不能”“必须”等这些是基本使用方法;2.表示“一定”“可能”“可能”等这些是表示推测。,1.常见情态动词使用方法归纳,情态动词,意义及使用方法,例句,can(省卷53题),表示能力,意为“能,会”。,Lily can play the piano ve
2、ry well.莉莉钢琴弹得很好。,表示请求、允许,意为“能够”,多用于口语中。,Can I borrow your bike?,我能借你自行车吗?,第2页,情态动词,意义及使用方法,例句,could,can过去式,意为“能,会”,表示过去能力。,Lang Lang could play the piano well when he was young.郎朗小时候钢琴就弹得很好。,在疑问句中表示委婉请求。,Could I have a cup of tea?我能够要一杯茶吗?,must,意为“必须”,多表示主观意愿。,You must finish your homework first!首先
3、你必须完成你家庭作业!,should,意为“应该”,表示责任和义务,也能够表示劝说或提议。,We should keep the air fresh.我们应该保持空气清新。,have to,意为“不得不”,多表示客观需要。,The children have to get up early to catch the first bus.孩子们为了赶第一趟公共汽车不得不早起。,第3页,need(n,t),意为“需要(无须)”,多用于否定句和疑问句中。,You neednt say sorry to me.你不需要对我说对不起。,had better,(not),表示提议,意为“最好(不要)”。
4、Youd better stay at home.你最好待在家里。,may,表示请求、许可,意为“能够”。,You may sit here if you want.假如你想话,你能够坐在这儿。,表示祝福和愿望。,May you be happy!祝您幸福!,might,may过去式,意为“能够”。,He asked if he might go home.他问他是否能够回家了。,表示请求、许可,语气比may更委婉。,Might I smoke here?我能够在这里吸烟吗?,第4页,拓展:,(1)由must引导普通疑问句,必定回答惯用must/have to;否定回答惯用needn,t或d
5、on,t/doesn,t have to,不能用mustn,t回答,mustn,t意为“禁止,禁止”。如:,Must I go with them?我必须跟他们走吗?,Yes,you must./No,you needn,t/don,t have to.是,你必须。/不,你无须。,(2)由may引导普通疑问句,必定回答用may;否定回答用can,t/mustn,t。如:,May I smoke here?我能够在这儿吸烟吗?,Yes,you may./No,you can,t/mustn,t.是,你能够。/不,你不能。,(3)could,should,would,might等有时不表示过去,而
6、是表示委婉语气。如:Would you tell me the way to the park?你能告诉我去公园路吗?,第5页,2.易混情态动词辨析,can/could与be able to区分,情态动词,意义及使用方法,例句,can/could,只用于普通现在时(can)和普经过去时(could)。,Jim couldnt speak Chinese last year,but now he can.吉姆去年不会说汉语,但现在他会了。,be able to,可用于各种时态。,We will be able to come back next week.,我们下周能回来。,must与have/
7、has to区分,情态动词,使用方法,例句,must,表示主观意愿,意为“必须”。,We must study hard at school.在学校我们必须努力学习。,第6页,情态动词,使用方法,例句,have/has to,用于强调客观需要,意为“必须,不得不”。,Well have to ask Mr.Zhang.我们必须问问张老师。,can,t与mustn,t区分,情态动词,意义及使用方法,例句,can,t,意为“不可能”,表示否定推测。,The man over there cant be Jim.He has gone abroad.那边那个人不可能是吉姆。他出国了。,mustn,t
8、意为“禁止,不允许”,不能用来表示推测。,You mustnt play soccer on the street.你不准在街道上踢足球。,第7页,考点小练,1.,you tell me the differences between these two photos?,No.They look quite similar,nearly the same.,A.Can B.May C.Must D.Should,2.Must I be home before eight o,clock?,No,you,.,A.mustn,t B.can,t C.needn,t D.have to,3.Ple
9、ase don,t make so much noise.I,hear the speaker very well.,A.needn,t B.mustn,t C.can,t D.shouldn,t,4.You,take me to the station.My brother will take me there.,A.can,t B.mustn,t C.shouldn,t D.don,t have to,A,C,C,D,第8页,5.Look!The traffic lights have turned red.We,stop our car.,A.can B.can,t C.must D.m
10、ustn,t,6.I think students,keep on doing eye exercises to protect their eyes.,A.should B.might C.shall D.could,C,A,2,情态动词表推测,1.情态动词表必定推测,情态动词,意义及使用方法,must,意为“一定,必定”。用于必定句中,表示非常有把握推测。,may,意为“有可能,可能”。用于必定句,表示把握不大推测。,might/could,(省卷,,25题),意为“或许”。表推测,语气较弱,可能性很小。,第9页,注意:,这几个词按照推测可能性由大到小为:mustmaymight/coul
11、d。,如:They must be very tired after a long walk.走了这么长路,他们一定很累了。,The French book may be Alice,s.She studies French.这本法语书可能是爱丽斯。她学法语。,She might be in the library.She likes reading books in the afternoon.她可能在图书馆。她喜欢在下午时候看书。,2.情态动词表否定推测,情态动词,意义及使用方法,cant,(省卷,25题),表示否定推测,语气强烈,意为“一定不,不可能”,可能性几乎为零。,may not,
12、表示否定推测,语气不确定,意为“可能不”。,第10页,如:Miss Gao can,t be in the classroom.I just saw her in the supermarket.高老师不可能在教室,我刚才在超市看见她了。,It may not be her pen.这可能不是她钢笔。,考点小练,7.When you are travelling,bring a map because it,help you.,A.can,t B.mustn,t C.used to D.may,8.This pair of glasses,be Tony,s.He,s the only one
13、 who wears glasses in,our class.,A.must B.might C.can,t D.have to,9.My schoolbag,still be in the music hall because I attended a concert,yesterday.,A.can,t B.need C.might D.must,10.Tom,don,t drive too fast.You,hit others,cars.,A.need B.may C.must D.should,D,A,C,B,第11页,11.Please call before you come,otherwise we,be home.,A.shouldn,t B.may not C.couldn,t D.needn,t,12.There,s an important football match today.I,miss it.,A.may B.can,t C.must D.needn,t,13.Jenny finally got the job because she,speak English fluently.,A.might B.must C.could D.should,B,B,C,第12页,






