小学教育高考英语语法情态动词公开.pptx

Scene OneWhen you lost your way in a strange place,you may ask the police or a passer-by for directions.You will say:_ you tell me the way to the Grand Hotel?第1页/共42页Scene TwoYou need to look up a new word but youve left your dictionary at home.You can borrow one from your classmate.You will say:_ I borrow your dictionary?第2页/共42页Scene ThreeYour friend ask you for advice on improving English listening ability,and you will say:I think you _ listen to English program as often as possible.第3页/共42页Scene FourYou go to visit Mr.Green but are not sure whether he is at home or not.When you see the light on,you will say:Well,he _ be at home.第4页/共42页Scene FiveAs you are students now,you often hear your parents and teachers say:You _ study hard.第5页/共42页Scene SixYouve made a new foreign friend and you ask him:_ you speak Chinese?第6页/共42页Could you please tell me the way to the Grand Hotel?May I borrow your dictionary?I think you should listen to English program as often as possible.Well,he must be at home.You must/have to study hard.Can you speak Chinese?第7页/共42页1.We use modal verbs to talk about:1.Ability（能力）2.Obligation（义务）3.Certainty（可能性）4.Permission（允许）第8页/共42页2.We also use modal verbs to:5.Make requests（提出请求）6.Make suggestions（提出建议）7.Make offers（提供帮助）8.Give advice（提出意见）第9页/共42页1.Ability(能力):Liu Xiang can run the 110m hurdle race within 13 seconds.第10页/共42页can/could:1.can 一般表示与生俱来的能力或者一种客观可能性(理论上的),还可以表示请求和允许。Learning English _ be difficult.canMan can not live without air._ I use your bike?Can第11页/共42页can/could:2.在疑问句中，用could可表示请求，语气较委婉。_I have the television on?Yes,you _./No,you _CouldHe asks if he _ smoke here.couldcan/maycant/Im afraid not第12页/共42页can/could:3.表示惊异、怀疑、不相信的态度。（主要用在否定句、疑问句或惊叹句中）Hes such a nice person that he _ commit the crime.cant你怎么会如此地粗心！How can you be so careless!Can this be true?第13页/共42页can/be able to区别:Edison always wondered why hens could hatch(孵)chickens while he was not able to.Question:Are the two modal verbs interchangeable(互换)?If not,why?can表示与生俱来的能力或一种客观可能，而be able to更加强调通过后天的学习和努力获得的能力，或者在某个客观的场合和背景下，能做到的事情。第14页/共42页can/be able to区别:1.A big fire broke out in ABC hotel yesterday.Luckily,everyone _ run out of the building.was able to2.She _ speak both English and French.can第15页/共42页Shi Dongpeng might win a medal at the Olympic Games.Although the chance of winning a medal is small,Ill try my best!2.Certainty(可能性):第16页/共42页very uncertainalmost certainmightshouldmustmaycouldought towill1.He _ be at home.2.He _ be at home,for he just called me from his home 15 seconds ago.A.may B.might C.must A.may B.might C.must (can)第17页/共42页1.must 表示肯定的猜测，译为“一定”，不能用于否定句或疑问句。This must be your pen.He must be doing his homework now.He must have arrived already.must第18页/共42页2.must 表猜测的时候，其否定形式为cant 而非mutsnt.This cant be done by him.3.should 也可以用于推测,表示未来一种合乎理想的情况或结果。Its nearly 7 oclock.Jack should be here at any moment.第19页/共42页They_ be doing the experiment in the lab.Why？Because the lights are still burning.A.could B.can C.must D.would 第20页/共42页3.Making suggestions(提出建议):Shall we do the training in the morning?Its too hot to take exercise in the afternoon.第21页/共42页shall:1.Shall用于第一、第三人称疑问句中，表示说话人征求对方的意见、向对方请示或提供帮助。1.Shall we begin our lesson?2.When shall he be allowed to leave hospital?3.Shall I carry this bag for you?第22页/共42页shall:2.Shall用于第二、第三人称，表示说话人给对方命令、警告、允诺或威胁。You shall fail if you dont work harder.He shall be punished according to the rule.He shall have the book when I finish it.警告威胁允诺第23页/共42页此外，当宣布法律、规定时，也要用shallIt has been announced that candidates shall remain in their seats until all the papers have been collected.在所有的试卷收上来之前，在所有的试卷收上来之前，应试者不得离开座位。应试者不得离开座位。第24页/共42页4.Making offers(提供帮助):Dont worry,dear,I will wash them right away.Mom,my dirty clothes have been piled up!I dont have time第25页/共42页will/would:1.表示请求、建议等，would比will委婉客气。sentence pattern Would you pleaseWould you mindWould ratherWould you like第26页/共42页will/would:2.表示意志、愿望和决心。I will never do that again.第27页/共42页will/would:3.可表示经常性、习惯性、倾向性。翻译为“经常、惯于、总是”。1).The old man _have a smoke under a big tree every afternoon after he finished his farm work.would第28页/共42页2).门就是打不开!The door wont open.第29页/共42页5.Giving advice(提出意见):You should not/ought not to eat so much before running.How delicious!第30页/共42页should:1.Should表示劝告、建议、命令，其同义词是ought to；在疑问句中，通常用should代替oughtto。Should I open the window?我们应当要相互学习。We should learn from each other.第31页/共42页should:2.情态动词should用于第一人称时可以表示说话人的一种谦逊、客气、委婉的语气。RoseSure.By the way,who is your idol?JackLiu Xiang,I should say.I should advise you not to do that again.第32页/共42页3.should表示意外或惊讶 常译为 “居然，竟然”。I cant believe such a gentleman should be so rude to the old.我不敢相信这样一个绅士居然对老人如此无礼。should:第33页/共42页4.should 表示猜测时，一般指按经验或逻辑判断，翻译成“照说应该，估计，想必”should:l-When can I come for the photos?I need them tomorrow afternoon.-They _be ready by 12:00.A.can B.should C.might D.need第34页/共42页 How can we deal with exercises How can we deal with exercises concerning modal verbs?concerning modal verbs?Functions&usage of modal verbsLanguage context(上下文、语境)Functions&usage of modal verbsLanguage context(上下文、语境)第35页/共42页1.I should have been there,but I _ not find the time.A.would B.could C.might D.should2.If it were not for the fact that she _ sing,I would invite her to the party.A.couldnt B.shouldnt C.cant D.might not第36页/共42页3.-Is John coming by train?-He should,but he _ not.He likes driving his car.A.must B.can C.need D.may4.Do you think I _ report the strange thing to the police?A.should B.may C.will D.can第37页/共42页5.-Isnt that Anns husband over there?-No,it _ be him Im sure he doesnt wear glasses.A.cant B.must not C.wont D.may not6.There _ be any difficulty about passing the test since youve practiced a lot.A.mustnt B.shant C.shouldnt D.neednt 第38页/共42页7.Is this the way to the Summer Palace?-Sorry,Im not sure,but it _ be.A.might B.will C.must D.can8.The World Wide Web is sometimes jokingly called the World Wide Wait because it _ be very slow.A.should B.must C.will D.can第39页/共42页Review the usage of modal verbs and finish the exercise on page 5.第40页/共42页第41页/共42页感谢您的观看。第42页/共42页