人教版初二上册英语第九单元unit9语法篇.docx

1、人教版初二上册英语第九单元unit9语法篇Unit 9 语法篇情态动词用法归纳情态动词有can (could), may (might), must, have to, shall (should, will (would), dare (dared), need (needed), ought to等。 情态动词无人称和数的变化；不能单独使用，必须与其后的动词原形构成谓语 一、 can, could 1) 表示能力（体力、知识、技能）。 Can you lift this heavy box（体力） Mary can speak three languages.（知识） Can you sk

2、ate（技能） 此时可用be able to代替。Can只有一般现在时和一般过去式；而be able to则有更多的时态。 Ill not be able to come this afternoon. 当表示“经过努力才得以做成功某事”时应用be able to，不能用Can。如： He was able to go to the party yesterday evening in spite of the heavy rain. 2) 表示请求和允许。 -Can I go now - Yes, you can. / No, you cant. 此时可与may互换。在疑问句中还可用coul

3、d, might代替，不是过去式，只是语气更委婉，不能用于肯定句和答语中。 - Could I come to see you tomorrow - Yes, you can. ( No, Im afraid not. ) 3) 表示客观可能性（客观原因形成的能力）。 Theyve changed the timetable, so we can go by bus instead. This hall can hold 500 people at least. 4) 表示推测（惊讶、怀疑、不相信的态度），用于疑问句、否定句和感叹句中。 Can this be true This cant b

4、e done by him. How can this be true 二、 may, might 1) 表示请求和允许。might比 may语气更委婉，而不是过去式。否定回答时可用cant 或mustnt，表示“不可以，禁止”。 -Might/ May I smoke in this room - No, you mustnt. - May/Might I take this book out of the room - Yes, you can. (No, you cant / mustnt. ) 用May I.征徇对方许可时比较正式和客气，而用Can I.在口语中更常见。 2）用于祈使句

5、，表示祝愿。 May you succeed! 3) 表示推测、可能性（不用于疑问句）。 might不是过去式，它所表示的可能性比may小。 1He may /might be very busy now. 2Your mother may /might not know the truth. 三、 must, have to 1) 表示必须、必要。 You must come in time. 在回答引出的问句时，如果是否定的，不能用mustnt（禁止，不准），而用neednt, dont have to（不必）. - Must we hand in our exercise books t

6、oday - Yes, you must. - No, you dont have to / you neednt. 2) must是说话人的主观看法， 而have to则强调客观需要。Must只有一般现在时， have to 有更多的时态形式。 1 he play isnt interesting, I really must go now. 2 I had to work when I was your age. 3) 表示推测、可能性（只用于肯定的陈述句） 1 Youre Toms good friend, so you must know what he likes best. 2 Y

7、our mother must be waiting for you now. 四、 dare, need 1) dare作情态动词用时, 常用于疑问句、否定句和条件从句中, 过去式形式为dared。 1 How dare you say Im unfair 2 He darent speak English before such a crowd, dare he 3 If we dared not go there that day， we couldnt get the beautiful flowers. 2) need 作情态动词用时, 常用于疑问句、否定句。在肯定句中一般用must

8、, have to, ought to, should代替。 1You neednt come so early. 2. - Need I finish the work today - Yes, you must. / No, you neednt. 3) dare和 need作实义动词用时， 有人称、时态和数的变化。在肯定句中，dare后面常接带to的不定式。在疑问句和否定句中，dare后面可接带to或不带to的不定式。而need后面只能接带to的不定式。 1. I dare to swim across this river. 2. He doesnt dare (to) answer.

9、 3. He needs to finish his homework today. 1. Look! The traffic light has turned red. We _ stop our car. A. can B. cant C. must D. mustnt 2.He be in the classroom， I think.No， he be in the classroom. I saw him go home a minute ago.A. can； may not B. must； may not C. may； mustnt D. may； cant3. Nowada

10、ys .all passengers go through safety check before take a train. A. can B. may C. must D. will 4.Mr. Wang, must I come again to clean the classroom on SundayNo, you_ . I have asked Kate to do it.A. cant B. mustnt C. neednt D. shouldnt 5. Harrys been driving all day- he be tired.A. need B. can C. shal

11、l D. must1. Jack, _ you ride a bike Yes, I can. A. can B. may C. need D. must 2. Mr. Zhou cant find his ID card anywhere. It be lost.A. cant B. should C. must 3. Theres an important football match today. I _ miss it.A. may B. cant C. must D. neednt4.What about going swimming this afternoonYou _ be j

12、oking! Dont you know Im afraid of water A. may B. can C. must5. Dick, _ I use your e-dictionary Yes, sure. _ you give it to David after you use it A. will; Would B. may; Might C. can; Could D. shall; Should6. You _ tell anybody about thisits a secret.A. can B. must C. mustnt7. -Who will give us the

13、speech on public manners -Mr. Brown_,but Im not sure. B. need C. must D. might8. -Do you have any plans for this summer vacation -Im not sure. I _ take a trip to Taiwan. A. must B. need C. may D. should 9.How do you usually go to school My school is far away. I _ take the bus to school. A. must B. m

14、ight C. have to10 You return the book now. You can keep it until next week if you like.A. have to B. cant C. mustnt D. neednt11._ I complete the composition today, sirNo, you neednt. You may _tomorrow morning.A. Can, hand it in B. May, hand in it C. Must, hand it in D. Need, hand in it12. Martin was

15、 so busy _ he old that he gave up his part-time job.A .helping B .helped C .to help D. help13.Mum, _ I visit the Movie Museum tomorrow -Im afraid you cant . It is closed on Monday .A. must B. may C. should D. need一、单项选择（共15小题；共分） 1. Lily likes playing piano, and she has piano lesson every Sunday. A.

16、 the; theB. the; aC. /; theD. /; a 2. - What are you doing- Im studying my math test Tuesday morning. A. at; onB. for; onC. for; atD. on; for 3. My sister went to work without breakfast this morning. A. eatingB. to eatC. eatsD. ate 4. I dont like living in this city. In autumn theres wind and the we

17、ather is always cold in winter. A. too much; much tooB. too much; too much C. much too; too muchD. much too; much too 5. - Would you come to my birthday party tomorrow evening- Im afraid I . I have to look after my grandparents. A. wouldntB. cantC. wontD. mustnt 6. You can the swimming club first, a

18、nd then you can the swimming game. A. join; take part inB. take part in; join C. take part in; take part inD. join; join 7. - I finish my homework now- No, you . Your work is over today. A. Cant; mustB. Must; dont have to C. May; couldntD. Couldnt; could 8. - - Its Monday the 5th. A. How are you tod

19、ayB. What time is it C. Whats the date todayD. Whats today 9. - Would you like to climb mountains with me this Sunday- Id love to. But I play table tennis against Class Three. A. am goingB. am going toC. amD. going to10. - Jenny, would you please my dog when I am away- No problem. A. look upB. look

20、inC. look atD. look after11. - How about having a picnic this weekend- Sorry, I am going to America for a meeting. Lets make it time. A. othersB. the otherC. anotherD. other12. The fans were to know the death of their favorite singing star Whitney Huston. A. gladB. angryC. excitedD. surprised13. - I

21、 cant find David. Where is he- He for tomorrows competition at home. A. preparesB. is preparingC. has preparedD. prepared14. Will you please invite him in a writing competition A. joinsB. to joiningC. to joinD. joining15. - I had a pleasant weekend on the farm.- . A. Oh, thats very nice of youB. Its

22、 a pleasure C. CongratulationsD. Im glad to hear that二、完形填空（共10小题；共分） Im going to have a party at home tomorrow evening. I told my mother that she neednt do 16 for me. This time I 17 to do everything by myself. I hope to 18 the party a nice one. I 19 invitations to all my good friends this morning.

23、Now Im thinking about 20 I should do tomorrow. I need to clean my house 21 decorate(装饰) it tomorrow morning. Tomorrow afternoon I need to do some shopping. I plan to 22 some snacks(小吃), drinks and fruits. There are too many things to do, so I think it 23 be a very busy day for me tomorrow. The party

24、 will begin 24 6:30 . I will be 25 to play with my friends. Oh, I cant wait!16.A. anythingB. somethingC. everythingD. nothing17.A. askB. takeC. decideD. get18.A. bringB. giveC. letD. make19.A. sendB. sentC. haveD. had20.A. whenB. whyC. whatD. which21.A. butB. soC. orD. and22.A. buyB. sellC. takeD. e

25、at23.A. canB. mustC. may notD. cant24.A. onB. inC. atD. from25.A. surprisingB. surprisedC. excitingD. excited三、阅读理解（共9小题；共分）A When you have a dinner party, what should you do The following will help you. Try to open the door for each guest. If someone else answers the door, go to welcome your guests

26、 as soon as you can. Always offer to take their coats and ask, Would you like me to take your coat People often bring gifts like flowers or chocolates to a dinner party. Be ready to receive(接受) the gifts if they do. Get a vase so that you can put the flowers in water. Never leave a guest unattended(

27、没人照顾的), especially when there is only one guest! If there is more than one, they can talk to each other. If the party is at home, a good idea is to have a toilet sign for people who dont know your house. If the party is somewhere else, like a restaurant, try not to be too loud, because not everyone

28、in the restaurant is at your party.26. If others answer the door, you should . A. go to receive their presents B. leave them talk freely C. go to welcome your guests as soon as possible D. close the door for them27. If people bring gifts to your dinner party, you should . A. help them put the gifts on the table B. be ready to receive them C. get a vase D. put the flowers in w