高一 必修3 unit1Festivals around the world 語法 grammar

1、GrammarModal verbs 情態(tài)動詞情態(tài)動詞 (I)Unit1 Festivals around the world主要情態(tài)動詞主要情態(tài)動詞 Can, could May, might Must/have to Need Dare Will/would Shall/should/ought to What modal verbs have you learned?情態(tài)動詞的語法特征情態(tài)動詞的語法特征1） 情態(tài)動詞情態(tài)動詞 不能單獨做謂語，除不能單獨做謂語，除ought外，后面只外，后面只能接不帶能接不帶to 的不定式。的不定式。 2） 情態(tài)動詞沒有人稱，數(shù)的變化，但有些情態(tài)動情態(tài)動詞

2、沒有人稱，數(shù)的變化，但有些情態(tài)動詞，如詞，如can、will也有一般式和過去式的變化。也有一般式和過去式的變化。3） 情態(tài)動詞的情態(tài)動詞的“時態(tài)時態(tài)”形式并不是時間區(qū)別的主要形式并不是時間區(qū)別的主要標志，不少情況下，情態(tài)動詞的現(xiàn)在式形式和過去式標志，不少情況下，情態(tài)動詞的現(xiàn)在式形式和過去式形式都可用來表示現(xiàn)在時間、過去時間和將來時間。形式都可用來表示現(xiàn)在時間、過去時間和將來時間。1) Some of us can use the computer now, but we couldnt last year.2) The new-built theatre can seat 1500 peopl

3、e.3) Can she be in the computer center?4) I think what he said can not be true.5) Can/Could I use your dictionary?6) Could you lend me a hand?1. 1.表能力表能力3. 表示表示“請求請求” “允許允許”(表請求時，口語中常用表請求時，口語中常用 could 代替代替 can 使語氣更委婉，回答時用使語氣更委婉，回答時用can)2. 表示推測，意為表示推測，意為“可能可能”“”“或許或許”，用于疑問句或否定句，用于疑問句或否定句1. can 與與coul

4、d4. 表示表示“許可許可”，可與，可與may 換用。換用。You can go home now.5. can 用于疑問句或否定句中時，表驚異、用于疑問句或否定句中時，表驚異、不相信等，意思是不相信等，意思是“可能、能夠可能、能夠”。How can you say that you really understand the wholestory if you have covered only part of the article?6. cant/ couldnt +have + done 表示對過去表示對過去 情況的否定推測情況的否定推測Susan cant have written

5、a report like this. could + have + done 表示對過去能做而表示對過去能做而 未做的事情感到惋惜，遺憾未做的事情感到惋惜，遺憾;常譯為本可以常譯為本可以Its a pity. Your class could have got the first prize.1. Michael _ be a policeman, for hes much too short. A. neednt B. cant C. should D. may2. Mr. Bush is on time for everything. How _ it be that he was la

6、te for the opening ceremony? A. can B. should C. may D. must3. - I stayed at a hotel while in New York. - Oh, did you? You _ with Barbara. A. could have stayed B. could stay C. would stay D. must have stayed4. My sister met him at the Grand Theater yesterday afternoon, so he _ your lecture. A. could

7、nt have attended B. neednt have attended C. mustnt have attended D. shouldnt have attendedBAAA2. may 與與might1. 表示表示“許可許可”或或“請求請求”，有，有“可以可以”的意思，口語中的意思，口語中 常用常用 might 代代 may ,表示委婉語氣。表示委婉語氣。 否定回答時用否定回答時用“must not/can not”表表“禁止，阻止禁止，阻止”， 不用不用 “may not”. “may not” 表示表示“可能不可能不” 。Eg: 1)- May I watch TV aft

8、er supper? - Yes, you may. / No, you mustnt. 2) Today is Sunday. She may not be in her office now.2. 表示可能性。表示可能性。 意為意為“或許，可能或許，可能” might 比比 may 可能性小?？赡苄孕?。Eg: 1) It might be true. 2) They may be in the library now.3. May you +動詞原形動詞原形 表表“希望、祝愿、祈求希望、祝愿、祈求” “祝你祝你”Eg: May you success.1.Sorry Im late. I

9、_ have turned off the alarm clock and gone back to sleep again. A. might B. shouldC. can D. will2.Peter _ come with us tonight, but he isnt very sure yet. A. must B. may C. can D. will3. Some people who dont like to talk much are not necessarily shy；they just be quiet people.A. must B. mayC. should

10、D. would 3. will 與與would 1. 表表“請求、建議請求、建議”等，用等，用 would 比用比用will 委婉，客氣些委婉，客氣些Eg: 1)Will you lend me your book? 2) Would you like a cup of tea?2. 用于表示意志或意愿。用于表示意志或意愿。 will 指現(xiàn)在，指現(xiàn)在， 而而 would 指指 過去。過去。Eg: 1) Ill never do that again. 2) They said that they would help us. 3) No matter what I said, he wont

11、 listen to me.3.表示習(xí)慣性動作。表示習(xí)慣性動作。 譯作譯作 “總是、慣于總是、慣于” will 指現(xiàn)在，指現(xiàn)在， would 指過去。指過去。Eg: 1)He will often read all night. 2) Fish will die without water. 3) Every evening, she would sit by window, deep in thought.4. 表示功能，譯作表示功能，譯作“能、行能、行”Eg: 1) That will be all right. 2) This door wont open.1.The way the g

12、uests _ in the hotel influenced their evaluation of the service A.treated B. were treated C. would treat D. would be treated What a pity. Considering his ability and experience, he _ better.A. need have done B. must have doneC. can have done D. might have done Liza _ well not want to go on the trip

13、- she hates traveling.A. will B. can C. must D. mayAlthough this _ sound like a simple task, great care is needed. A. must B. may C. shall D. should DDBD4. should1. 用于表勸告、建議。用于表勸告、建議。 意為意為”應(yīng)該、應(yīng)當(dāng)應(yīng)該、應(yīng)當(dāng)”。Eg: You should keep your promise.2. 用于表推測。用于表推測。 意為意為 “可能、該可能、該”Eg: 1) Its 7 oclock, he should be a

14、t home. 2) They should have arrived by now.3. 用于第一人稱，表示說話人的謙遜、客氣的語氣用于第一人稱，表示說話人的謙遜、客氣的語氣I should advise you not to do that.1. I dont care what people think.Well, you _A. could B. would C. should D. might2. What do you mean, there are only ten tickets? There_ be twelve.A. should B. would C. will D. s

15、hallCA5. must1. 表示義務(wù)或強烈的勸告，意為表示義務(wù)或強烈的勸告，意為“必須必須”“”“應(yīng)該應(yīng)該”， 其否定式表示其否定式表示“不應(yīng)該不應(yīng)該”“”“不許可不許可” “不準不準”“”“禁止禁止”。Eg: 1) You must finish your homework first. 2) Children mustnt speak like that to their parents.2. 回答回答 must 所在的一般疑問句時，否定回答用所在的一般疑問句時，否定回答用 “neednt” “dont have to”.Eg: -Must we finish the work tom

16、orrow? -No, you neednt/ dont have to, but you must finish it in three days.3. 表推測，用于肯定句，意為表推測，用于肯定句，意為“一定一定”“”“務(wù)必務(wù)必”。Eg: 1) Betty must be in the next room. 2) He must be watering the flowers in his garden. Complete the following sentences using modal verbs.1.Youve been working all day. You _ be very

17、 tired.2. I wonder who that is. It _ be Lisa. Shes in the library at this time.3. It is a long time since we met last time. You _ come and see us more often.4. I havent decided where Im going for my holidays. I _ go to Australia.mustcantshouldmay5. - Who was the man talking with your teacher? - Im n

18、ot sure. It _ be her brother.6. I dont know when the guests be here. They _ arrive at any time.mightwill / could1. As he had heart attack, he was told that he _ continue the work.A. neednt B. may not C. mustnt D. cant2. I _ like to make a suggestion. A. could B. would C. must D. might3. I know thing

19、s are hard with you, but you _ try to get over the difficulties.A. can B. may C. must D. oughtC C B Choose the best answers.4. We hope that as many people as possible _ join us for the picnic tomorrow. A. may B. must C. should D. can5. I think Ill give Bob a ring. You _. You havent been in touch with him for ages. A. will B. may C. would D. should DD6. It is usually warm in my homet