资源简介 (共46张PPT)(人教新目标九年级英语)二轮复习情态动词Grammar Modal verbs情态动词二轮专题Contents常见情态动词的用法情态动词的特征2025中考预测日照市情态动词的考法及真题情态动词的特征1、什么是情态动词情态动词是一种本身有一定的词义,表示说话人的情绪、态度或语气的动词。它不能单独作谓语,只能和其他动词原形构成谓语。情态动词在句中通常放在谓语动词之前,如果有助动词,则放在助动词之前。情态动词无人称和数的变化,后面跟的动词需用原形。否定式构成是在情态动词后面加" not "。个别情态动词有现在式和过去式两种形式,过去式用来表达更加客气、委婉的语气,时态性不强,可用于过去、现在或将来。2、常见的情态动词及过去式释义 原形 过去式“将、会” will would”可以” can could“可能“ may might”应该“ shall should“敢于” dare dared释义 原形 过去式“必须” must /”需要” need /“最好“ had better /”过去常常“ / used to“应该” ought to /3、 情态动词的类型1.只作情态动词的词2.作情态动词也可作实义动词3.作情态动词也可作助动词4.具有情态动词的某些特征mustcancouldmaymightneeddareshouldshallwouldwillhad betterused toought tohave/has/had to常见情态动词的用法Can表示能力,意为“能”“会”Mr. Smith can speak three languages.表示请求,许可。意为“可以”Can I borrow the book from the library?表示怀疑,猜测。可能性Guilin can be very cold in January.1、can/could/can’t1. can 表示习惯能力,而be able to表示经过努力而做成了某事。2. 在否定结构中,二者可以互换。can 与be able toCouldCan的过去式,表过去的能力,意为“能”“会”Tom could play football at the age of five.用于疑问句中,表示请求许可,语气比can委婉Could you give me a hand?表示可能性不大的推测。The bag could be jack’s, but I’m not sure.can的过去式;语气更委婉could的用法1. can 的否定式,表示能力。意为“不能;不会”Sam can’t speak English.2. 表示否定推测,语气强烈,意为“一定不,不可能”可能性机会为零。Our teacher can’t be in her office . I just saw her in the hall!Can’tCan’t的用法1.—______ you play basketball —No. But I can play football.A. May B. Can C. Must D. Should2.—Could I go out for dinner tonight, mom —No, you ______ .A. couldn’t B. shouldn’t C. can’t3.--__ you sing an English song -- Yes, I can.A.Can B. May C. Must D. Need4. --Is that girl Susan -- It _____ be her. She left for Beijing yesterday.A.needn’t B. can’t C. mustn’tAB1.表示请求、许可。相当于can。意为“可以”You may sit here if you want。2.表示可能性较小的推测。常用于肯定句中。意为“可能,也许”Your brother may be waiting for you now.3.用于祈使句,表示祝福和愿望。May you success!回答may提问的答语。①肯定回答:Yes,…may.②否定回答:No,…mustn't/can't.may2、may/might①may的过去式,多在间接引语中表示过去的可能和允许She said that he might take her bike.②可能,也许,表示推测They might laugh at me.表示没有把握的推测时,might表示的可能性比may小。mightmight的用法③表示现在的许可,语气比may 要委婉,一般用于疑问句中,不可用于肯定句或否定句中。Might I have a word with you —Mum, ____ I visit the Science Museum tomorrow —I’m afraid you can’t. It is closed on Monday.A. may B. mustC. should D. needMustmust 意为“必须,一定,准是”,表示说话人认为必须做某事,命令、要求别人做某事。表示肯定的猜测,但只用于肯定句mustn’t 表示“禁止、不准”must /have tomust表示:说话人的主观意愿I must do my homework first.我必须先做家庭作业。have to表示客观需求It is raining hard outside; I have to stay at home. 外面雨下得很大,我不得不待在家里。3、must①肯定回答:Yes,…must.—Must I go home now 我必须现在回家吗 —Yes, you must. 是的,你必须现在回家。②否定回答:No,…needn't./No,…don't/doesn't have to.—Must I go home now 我必须现在回家吗 —No, you need’t/don’t . 不,你不必must的答语must 与 mustn’tPeggy must look after the baby.must 表示主观看法,“必须,一定要”You mustn’t park your car here.mustn’t表示 “不允许、禁止”注意:在意义上,mustn’t并不是must的否定形式,两者毫无关系!1.There’s only one day to go.You ___ finish your work by tomorrow.A.can B. will C. must D. may2. Fifty dollars for a T-shirt! You _____ be joking!A. must B. need C. may D. cancA—Must I return the book on Friday —No, you ______ . You can keep it longer if you renew (续借) it.A. mustn’t B. needn’tC. can’t D. don’t4、shall/shouldshall1.征求意见(用于疑问句中)Shall I open the door 我要不要打开窗户?2.表示承诺或决定I shall call you tomorrow. 我明天会给你打电话。3.表示规定或命令(正式语境,用于第二、三人称)You shall not pass! 你不准通过!shall 既可以作为助动词用来构成一般将来时,也可作为情态动词主要用于第一人称的句子中,表示提建议或请求should1.表示建议、责任或义务(应该,应当)You should study harder. 你应该努力学习。2.用于虚拟语气中,表示责备(本应该做却没做)You should have finished your homework.你本应该完成作业的。3.表示推测(可能)She should be at home now.她现在应该在家。should用于各种人称的句子中,强调义务或责任。Schools ___ allow students at least one hour a day for sports.A.would B. might C. shouldcwill/would1、表示意愿I’ll try my best to overcome the difficulty.2、表示意图What will you do 3、表示请示Will you help me to put these books in order will可用于第二人称的疑问句,表示征求意见或请求,也可以表达现在的意愿。would 可以看作 will 的过去式,可用于多种人称,表示过去的意愿;would也可用于征求意见或提出请求,此时的would并不表示过去,而是为了使语气更委婉。5、will/would(1)need作情态动词时,表示“需要”,主要用于否定句或疑问句中。其否定形式为needn't,表示“没有必要,不必”。(2)回答need提问的答语。①肯定回答:Yes,…must.②否定回答:No,…needn't.(3)need 还可作实义动词,常用于“need to do sth.”结构。6、need实义动词 need+ to do+ sth.+doing = need to be done表被动Pollution is our great enemy, and we have to fight against it.“不得不”,多表示客观必要You don’t have to understand every word.“没必要”7、have to 与 don’t have to.8.情态动词表推测的用法(1)肯定句中一般用must(一定),may(可能),might/could(也许,或许),其中must表推测的语气最强,其余依次减弱。The book must be hers. Her name is on it. 这本书一定是她的。她的名字在上面。He must be running. 他一定在跑步。They may know the way to the library. 他们可能知道去图书馆的路。(2)否定句中一般用can’t/couldn’t(不可能)。That man can’t be Mr.Li, because he has gone to London.那个人不可能是李老师,因为他去伦敦了。.(3)疑问句中用can/could(可能)。—Can the red sweater be Tom’s 这件红毛衣可能是汤姆的吗 —No, it cant. He can‘t stand red.不,不可能。他不能忍受红色。[注意] 在表示委婉地提出请求、想法、建议等或用于疑问句及否定句表示惊讶、不相信等时,might, could不是may, can的过去式。.(4)情态动词表猜测的三种时态结构总结1)对现在或将来动作的猜测 结构:情态动词+ doJenny studies very hard. She must pass the coming exam.珍妮学习十分努力。她一定能通过即将的考试。2)对现在正在进行动作的猜测 结构:情态动词+ be doingAt this moment, our teacher must be correcting our exam papers.这时,我们老师想必在批改试卷。3)对过去动作的猜测 结构:情态动词+ have doneIt is cold in the room. They must have turned off the heating.屋里很冷,他们肯定把暖气关了。情态动词的中考考法通过分析2024年及之前的中考真题可知,情态动词是中考考查的高频考点之一,主要有以下三个命题角度:基本用法,表推测的用法及易混情态动词的辨析,主要以单项选择、完形填空题的形式呈现。虽然部分市地取消了单选题后,在词汇运用中虽然没有直接考查情态动词,但是考到了情态动词的用法。写作中也涉及到了情态动词的使用。下面是情态动词在近5年中考中的考点:近五年中考考点解析(单选)1. –Beautiful skirt! _________ I try it on --Sorry. It's sold already.A. Need B. May C. Will D. Must【解析】此句对话,上句意为“漂亮的裙子! 我________试穿吗?”根据句意判断为表示请求许可,所以选B“可以”。2.You ______be very tired with the long drive. Let’s stop to have a rest.A.must B. can C. shall D. need【解析】此句意为“开了这么长时间的车你一定很累了,让我们停下来休息一下吧。”根据句意判断为表示肯定猜测,所以选A“一定”3. Children ________ be told not to swim alone in the river.A. can B. may C. must D. might【解析】此句意为”必须告诉孩子们,不能独自一人在河里游泳“考查含有情态动词的被动语态。根据句意,孩子们必须被告知,所以选C must.4.Nowadays many farmerscana____tobuy a house in the city.【分析】现在许多农民在城里买得起房子。【解答】根据句意"现在许多农民在城里______房子",由首字母a可推出此处用动词afford,表示"买得起",由空前的can考虑此处填动词原形形式。故答案为afford。【点评】这一小题虽然没有直接考查情态动词can ,但是考查了能不能买得起某物,用法是can /can’t afford/sth./ to dosth.写作(满分15分)你班计划本周末乘大巴车到彩虹谷(Colorful Valley)郊游,你校交换生吉姆愿意一同前往。假如你是李华,请你用英语写一个电子邮件,将活动事宜告知吉姆。1.时间:周日上午8点至下午4点;2.活动内容:参观彩虹谷,摘樱桃(cherries);3.注意事项:守时;自带午餐;确保【解答】Dear Jim,We're going on a trip to the Colorful Valley this Sunday. Here is some information about the trip. We're going to meet at the school gate before 8 o'clock,and go there by bus. We'll visit Colorful Valley and enjoy the beautiful scenery there. Be sure to arrive on time . You must be careful and keep away from any danger. Please remember to bring your lunch . After lunch,we'll go down to a local farm to pick the sweet cherries before we go back home at 4:00 p.m. Have a nice trip!5. I must r__________ the books to the library before Friday.【答案】(r)eturn【解析】句意:我必须在星期五之前把书还给图书馆。情态动词must后接动词原形。根据“the books to the library”可知此处指的是把书还给图书馆。“归还”是动词return,return sth to some place意为“把某物还给某处”,首字母为r。故填(r)eturn。6. If you don’t do it now, you’ll only __________ (后悔) it.【答案】regret【解析】【详解】句意:如果你现在不去做,你只会后悔。regret“后悔”,will后接动词原形,故填regret。为响应教育部加强中小学劳动教育的要求,培养学生爱劳动的好习惯,你校学生会举行了主题为“Do housework and develop ourselves”的征文比赛。请根据以下内容提示,用英语写一篇知文参加这次征文活动。1.劳动内容(做饭、洗衣服……);2.你的收获。注意:1.词数:90左右;2.根据提示要点表述,可适当增加细节,使行文连贯;3.开头已给出,不计入总词数。………can also develop our independence.7. You had better _____(解释) it to our teacher, not to me.【答案】explain【解析】句意:你最好向我们的老师解释,而不是向我。had better 意味“最好”,具有情态动词的特征,所以后边用动词原型。根据括号内所给的汉语提示“解释”,用原型explain.2025中考预测1.Our teenagers shouldn’t___________(依靠)on their parents all the time.2.Li Qiang can____________(交流) well with foreigners in English.3.Jack has a cold. He needs __________(lie) down and have a rest.4.My father used to__________(参加) some important meetings in my town.5.Students shouldn’t __________(allow) to smoke.6.Teenagers must_____________(鼓励) to do social works.dependcommunicateto lieattendbe allowedbe encouraged2025中考预测Thank you ~情态动词——知识梳理、考点解析及解题技巧情态动词的特点1.什么是情态动词情态动词是一种本身有一定的词义,表示说话人的情绪、态度或语气的动词。它不能单独作谓语,只能和其他动词原形构成谓语。情态动词在句中通常放在谓语动词之前,如果有助动词,则放在助动词之前。情态动词无人称和数的变化,后面跟的动词需用原形。否定式构成是在情态动词后面加" not "。个别情态动词有现在式和过去式两种形式,过去式用来表达更加客气、委婉的语气,时态性不强,可用于过去、现在或将来。常见的情态动词及过去式释义 将,会 可以 可能 应该 敢于 必须 需要 最好 过去常常 应该原形 Will can Will shall dare must need had better ought过去式 would could would should dared used to情态动词的类型(1)只作情态动词的词 must、 can、could、 may、 might(2)作情态动词也可作实义动词 need、dare(3)作情态动词也可作助动词should 、shall、 will、 would(4)具有情态动词的某些特征 had better、 used to、ought to、 have/has/had to二.常见情态动词的用法1.can和could的用法Can的用法(1)表示能力,意为“能”“会” Mr. Smith can speak three languages.(2)表示请求,许可。意为“可以” Can I borrow the book from the library?表示怀疑,猜测。可能性 Guilin can be very cold in January.Can与be able to的区分(1) can 表示习惯能力, 而be able to表示经过努力而做成了某事。(2)在否定结构中,二者可以互换。Could 的用法(1)Can的过去式,表过去的能力,意为“能”“会” Tom could play football at the age of five.(2)用于疑问句中,表示请求许可,语气比can委婉Could you give me a hand?(3)表示可能性不大的推测。The bag could be jack’s, but I’m not sure.Can’t 的用法(1)can 的否定式,表示能力。意为“不能;不会”Sam can’t speak English.(2)表示否定推测,语气强烈,意为“一定不,不可能”可能性机会为零。Our teacher can’t be in her office . I just saw her in the hall!1.—______ you play basketball —No. But I can play football.May B. Can C. Must D. Should2.—Could I go out for dinner tonight, mom —No, you ______ .A. couldn’t B. shouldn’t C. can’t3.--__ you sing an English song -- Yes, I can.A.Can B. May C. Must D. Need4. --Is that girl Susan -- It _____ be her. She left for Beijing yesterday.needn’t B. can’t C. mustn’may/might 的用法may的用法①.表示请求、许可。相当于can。意为“可以” You may sit here if you want。②.表示可能性较小的推测。常用于肯定句中。 意为“可能,也许”Your brother may be waiting for you now.③用于祈使句,表示祝福和愿望。 May you success!回答may提问的答语。①肯定回答:Yes,…may.②否定回答:No,…mustn't/can't.might的用法①may的过去式,多在间接引语中表示过去的可能和允许 She said that he might take her bike.②可能,也许,表示推测 They might laugh at me.表示没有把握的推测时,might表示的可能性比may小。③表示现在的许可,语气比may 要委婉,一般用于疑问句中,不可用于肯定句或否定句中。Might I have a word with you —Mum, ____ I visit the Science Museum tomorrow —I’m afraid you can’t. It is closed on Monday.may B. must C. should D. need 答案:Amust的用法①must 意为“必须,一定,准是”,表示说话人认为必须做某事,命令、要求别人做某事。②表示肯定的猜测,但只用于肯定句③mustn’t 表示“禁止、不准[注意] must 和 have to 的区别: must 表示说话人的主观意愿;have to 表示客观需要。I must do my homework first.我必须先做家庭作业。It is raining hard outside; I have to stay at home. 外面雨下得很大,我不得不待在家里。回答must提问的答语①肯定回答:Yes,…must.—Must I go home now 我必须现在回家吗 —Yes, you must. 是的,你必须现在回家。②否定回答:No,…needn't./No,…don't/doesn't have to.—Must I go home now 我必须现在回家吗 —No, you needn’t/don’t. 不,你不必must与mustn’tmust 表示主观看法,“必须,一定要” Peggy must look after the baby.mustn’t表示 “不允许、禁止” You mustn’t park your car here.注意:在意义上,mustn’t并不是must的否定形式,两者毫无关系!(1)There’s only one day to go.You ___ finish your work by tomorrow.A.can B. will C. must D. may(2)Fifty dollars for a T-shirt! You _____ be joking!A. must B. need C. may D. can(3)—Must I return the book on Friday —No, you ______ . You can keep it longer if you renew (续借) it.A. mustn’t B. needn’t C. can’t D. don’t4.shall/should的用法Shall 的用法①征求意见(用于疑问句中) Shall I open the door 我要不要打开窗户?②表示承诺或决定 I shall call you tomorrow. 我明天会给你打电话。③表示规定或命令(正式语境,用于第二、三人称) You shall not pass! 你不准通过!Should 的用法should用于各种人称的句子中,强调义务或责任。①表示建议、责任或义务(应该,应当)You should study harder. 你应该努力学习。②用于虚拟语气中,表示责备(本应该做却没做)You should have finished your homework. 你本应该完成作业的。③表示推测(可能)She should be at home now.她现在应该在家。Schools ___ allow students at least one hour a day for sports.A.would B. might C. should5.will/would的用法①表示意愿 I’ll try my best to overcome the difficulty.②表示意图 What will you do ③表示请示 Will you help me to put these books in order will可用于第二人称的疑问句,表示征求意见或请求,也可以表达现在的意愿。would 可以看作 will 的过去式,可用于多种人称,表示过去的意愿;would也可用于征求意见或提出请求,此时的would并不表示过去,而是为了使语气更委婉。6.need的用法(1)need作情态动词时,表示“需要”,主要用于否定句或疑问句中。其否定形式为needn't,表示“没有必要,不必”。(2)回答need提问的答语。①肯定回答:Yes,…must. ②否定回答:No,…needn't.need 还可作实义动词,常用于“need to do sth.”结构。(4)实义动词need:need to do sth.need sth.need doing=need to be done 表被动7.have to 与 don’t have toPollution is our great enemy, and we have to fight against it. “不得不”,多表示客观必要You don’t have to understand every word. “没必要”8.情态动词表推测的用法(1)肯定句中一般用must(一定),may(可能),might/could(也许,或许),其中must表推测的语气最强,其余依次减弱。The book must be hers. Her name is on it. 这本书一定是她的。她的名字在上面。He must be running. 他一定在跑步。They may know the way to the library. 他们可能知道去图书馆的路。(2)否定句中一般用can’t/couldn’t(不可能)。That man can’t be Mr.Li, because he has gone to London.那个人不可能是李老师,因为他去伦敦了。(3)疑问句中用can/could(可能)。—Can the red sweater be Tom’s 这件红毛衣可能是汤姆的吗 —No, it cant. He can‘t stand red.不,不可能。他不能忍受红色。[注意] 在表示委婉地提出请求、想法、建议等或用于疑问句及否定句表示惊讶、不相信等时,might, could不是may, can的过去式。(4)情态动词表猜测的三种时态结构总结1)对现在或将来动作的猜测 结构:情态动词+ doJenny studies very hard. She must pass the coming exam.珍妮学习十分努力。她一定能通过即将的考试。2)对现在正在进行动作的猜测 结构:情态动词+ be doingAt this moment, our teacher must be correcting our exam papers.这时,我们老师想必在批改试卷。3)对过去动作的猜测 结构:情态动词+ have doneIt is cold in the room. They must have turned off the heating.屋里很冷,他们肯定把暖气关了。三. 情态动词的中考考法近五年中考考点解析:通过分析2024年及之前的中考真题可知,情态动词是中考考查的高频考点之一,主要有以下三个命题角度:基本用法,表推测的用法及易混情态动词的辨析,主要以单项选择、完形填空题的形式呈现。部分市地年取消了单选题后,在词汇运用中虽然没有直接考查情态动词,但是考到了情态动词的用法。写作中也涉及到了情态动词的使用。下面是情态动词在近5年中考中的考点:1. –Beautiful skirt! _________ I try it on --Sorry. It's sold already.A. Need B. May C. Will D. Must2.You ______be very tired with the long drive. Let’s stop to have a rest.A.must B. can C. shall D. need3. Children ________ be told not to swim alone in the river.A. can B. may C. must D. might4.Nowadays many farmers can a____to buy a house in the city.写作(满分15分)你班计划本周末乘大巴车到彩虹谷(Colorful Valley)郊游,你校交换生吉姆愿意一同前往。假如你是李华,请你用英语写一个电子邮件,将活动事宜告知吉姆。1.时间:周日上午8点至下午4点; 2.活动内容:爬山,摘樱桃(cherries);3.注意事项:守时;自带午餐;确保5. I must r__________ the books to the library before Friday.6. If you don’t do it now, you’ll only __________ (后悔) it.写作:为响应教育部加强中小学劳动教育的要求,培养学生爱劳动的好习惯,你校学生会举行了主题为“Do housework and develop ourselves”的征文比赛。请根据以下内容提示,用英语写一篇知文参加这次征文活动。1.劳动内容(做饭、洗衣服……);2.你的收获。注意:1.词数:90左右;2.根据提示要点表述,可适当增加细节,使行文连贯;3.开头已给出,不计入总词数。………can also develop our independence.7. You had better _____(解释) it to our teacher, not to me.四.2025中考预测1.Our teenagers shouldn’t___________(依靠)on their parents all the time.2.Li Ming can____________(交流) well with foreigners in English.3.Jack has a cold. He needs __________(lie) down and have a rest.4.My father used to__________(参加) some important meetings in my town.5.Students shouldn’t __________(allow) to smoke.6.Teenagers must_____________(鼓励) to do social works. 展开更多...... 收起↑ 资源列表 2025年春季学期中考英语二轮复习-情态动词专题(教学课件).pptx 情态动词二轮复习学案.docx