八年级英语上册Unit9Canyoucometomyparty语法篇试题新版人教新目标版201810092135.doc
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1、Unit 9 语法篇_学生通过本讲学习,能够掌握本单元的重点语法,并在综合能力上有一定的拓展。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 language
2、s.(知识) Can you skate?(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
3、与may互换。在疑问句中还可用could, 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
4、 be true? This cant be 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
5、,而用Can I.?在口语中更常见。 2)用于祈使句,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 ha
6、nd in our exercise books today? - 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 k
7、now what he likes best. 2 Your 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
8、动词用时, 常用于疑问句、否定句。在肯定句中一般用must, 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.
9、2. He doesnt dare (to) answer. 3. He needs to finish his homework today. 1. 【2015年广东省初中毕业生学业考试英语试题】Look! The traffic light has turned red. We _ stop our car. A. can B. cant C. must D. mustnt 试题分析:句意:看!交通灯成了红灯。我们必须停车。turn red 灯成了红灯;stop sth.停止某物。A. can能;B. cant 不能;C. must 必须;D. mustnt千万别,一定不要。根据常识可知红
10、灯停,这是必须的,故选C。2.【贵州省安顺市2015年中考英语试题】He be in the classroom, I think.No, he be in the classroom. I saw him go home a minute ago.A. can; may notB. must; may notC. may; mustnt D. may; cant试题分析:句意:-我认为他可能在教室里。-不,他肯定没有在教室里,我刚才看到他回家了。must,can(could),may(might) 可以表示猜测,must 表示肯定猜测,用于肯定句,肯定,一定;cant,表示否定猜测,肯定不,
11、另外can(could),may(might),表示可能性猜测,可能。根据I think,可知把握比较小,根据I saw him go home a minute ago可知第二句把握大,故选D。3. 【山东省泰安市2015年中考英语试题】Nowadays .all passengers go through safety check before take a train. A. can B. may C. must D. will 试题分析:句意:现在,所有的乘客在上火车之前都必须过安检。A. can 能;B. may 可以;C. must 必须 D. will将要。结合现在的实际情况,可
12、知是必须,故选C。4. 【德州市二O一五年初中学业水平考试英语试题】 Mr. Wang, must I come again to clean the classroom on Sunday?No, you_ . I have asked Kate to do it.A. cant B. mustnt C. neednt D. shouldnt试题分析:句意:-王老师,我星期天必须再回来打扫教室吗?-不,不必,我已经让Kate去做了。cant 不能,不会;mustnt禁止,不要;neednt 不必,没有必要;shouldnt不应该。must的一般疑问句的回答中,肯定回答仍用must,否定回答用
13、neednt,故应选C。5. 【2015浙江省杭州市中考英语试题】Harrys been driving all day- he be tired.A. need B. can C. shall D. must试题分析:句意:哈利已经开了一整天车了他一定累了。根据句意可知,开了一整天车,所以推测他累是一定的。所以用情态动词must。故选D。基础演练中考训练1. 【北京市2015年中考英语试题】 Jack, _ you ride a bike? Yes, I can. A. can B. may C. need D. must 2.【海南省2015年中考英语试题】Mr. Zhou cant fi
14、nd his ID card anywhere. It be lost.A. cantB. should C. must 3. 【河北省2015年中考英语试题】Theres an important football match today. I _ miss it.A. mayB. cantC. must D. neednt4. 【黑龙江省龙东地区2015年中考英语试题】What about going swimming this afternoon?You _ be joking! Dont you know Im afraid of water? A. may B. canC. must
15、5. 【湖北省孝感市2015年中考英语试题】 Dick, _ I use your e-dictionary? Yes, sure. _ you give it to David after you use it? A. will; WouldB. may; Might C. can; Could D. shall; Should6.【湖南省张家界市2015年中考英语试题】You _ tell anybody about thisits a secret.A. can B. must C. mustnt7.【江苏省常州市2015年中考英语试题】-Who will give us the spe
16、ech on public manners? -Mr. Brown_,but Im not sure. A.can B. need C. must D. might8. 【江苏省盐城市2015年中考英语试题】-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.【山东省菏泽市2015年中考英语试题】How do you usually go to school? My school is far aw
17、ay. I _ take the bus to school.A. must B. might C. have to10【山东省青岛市2015年中考英语试题】You return the book now. You can keep it until next week if you like.A. have to B. cant C. mustnt D. neednt11.【山东省烟台市2015年中考英语试题】_ I complete the composition today, sir?No, you neednt. You may _tomorrow morning.A. Can, ha
18、nd it in B. May, hand in it C. Must, hand it in D. Need, hand in it12. 【上海市2015年中考英语试题】Martin was so busy _ he old that he gave up his part-time job.A .helping B .helped C .to help D. help13. 【上海市2015年中考英语试题】Mum, _ I visit the Movie Museum tomorrow? -Im afraid you cant . It is closed on Monday .A. m
19、ust B. may C. should D. needACBCC CDCCD CAB巩固提高用can, may, must, need, have to, had better的适当形式填空:1. You _ return the library book on time.2. I _ (not) find the way to the hospital. _ you show me the way?3. _ I finish the work right now? No, you _ (not). You _ do it later.4. He said he _ (not) come t
20、onight.5. Her mother was ill. She _ stay at home and look after her.6. I have to study for a test. (变为否定句)I study for a test.7. They can go to the concert. (改为一般疑问句) they to the concert?8. Can Mary go to your birthday party? (作出否定回答) , . 9. I often visit my aunt on Sundays. (用the day after tomorrow改
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