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1、情情 态态 动动 词词 (Revision)Learning targets1. To review modal verbs 2. To consolidate what will be reviewed Step 1 : Revision 情态动词的特点情态动词的特点 常考情态动词常考情态动词 情态动词的归类（词义）情态动词的归类（词义） 情态动词表推测情态动词表推测 情态动词表虚拟情态动词表虚拟 情态动词易错常考点情态动词易错常考点一、情态动词的特点一、情态动词的特点1.表说话人的语气，态度或看法；表说话人的语气，态度或看法；2.有一定词义，但不能单独做谓语，需有一定词义，但不能单独做谓语
2、，需+v才能构成才能构成谓语谓语;3.一般有现在式或过去式一般有现在式或过去式 （注：注：过去式未必表过去，过去式未必表过去，有时可表示语气委婉或可能性小有时可表示语气委婉或可能性小）二、情态动词有：二、情态动词有：现在现在过去过去canmaywillshallmust ought toneeddarecouldwould mightdared should三、常见用法归类三、常见用法归类2. 表表请求许可或征求意见请求许可或征求意见：may, might, can, could will, would, shall3. 表表可能可能：can, might, may, could, shoul
3、de.g. (1) It can be cold in March. (2) He may not go to the party tonight.e.g. (1) Will you do me a favor? (2) Shall we begin our class? (3) May I come in?1. 表表能力能力：can , could( 过去过去)e.g. You cant find a better place than it.4.4.表表命令命令：must, shall e.g. It has been announced that candidates shall rem
4、ain in their seats until all the papers have been collected.5.5.表表义务义务：must, shall, should (ought to)e.g. (1) You must work hard. (注：注：have to ) (2) As students, we should do the homework by ourselves.6. 表表禁止禁止：mustnt, cant, shant e.g. (1) You cant park the car here. (2) You mustnt go out alone at n
5、ight.7. 表表推测推测：must, may, might, could (肯定肯定) can, cant, couldnt (否定或疑问否定或疑问)e.g. (1) It must have rained last night, didnt it? (2) They cant be playing basketball, arent they? (3) He could be on his way home now. (4) Mr. Smith is on time for everything. How can he be late for the meeting?关键关键 ：（1）时
6、态时态 （2）可能性大小）可能性大小 （3）肯）肯/否定句还是疑问句否定句还是疑问句8. 表表虚拟虚拟 （含（含if的主从复合句中及相关的主从复合句中及相关名词性名词性从句中）从句中）(1)注意：注意：1. 时态时态 2.情态动词词义辨析情态动词词义辨析e.g. (1) If I had time, I would _ (attend) the meeting. (2) If you _ (take) my advice, you would not have failed in the exams. (3) If it were to rain tomorrow, the sports me
7、eting would _ (be) put off. attendhad takenbe(2) 用于名词性从句中用于名词性从句中 (should +do)i. suggest / advise / propose / recommend / insist / order + 从句主语从句主语+ (should) +doii. Its important / necessary / natural / strange that +从句主语从句主语+ should +doiii. Its high / about time that +从句主语从句主语+ should do / dide.g.
8、(1)They suggested that he _ (take) exercise regularly. (2) It is important that he _ (follow) his parents advice. (3) It was high time that we _ (have) lunch.should takeshould followshould have / had could/might have done may have done must have done cant/couldnt have done should/ought to have done
9、neednt have done would have done would rather (not) have done would like/love to have done过去可能做过过去可能做过 过去本能够过去本能够/可以做可以做过去可能做过过去可能做过过去肯定做过过去肯定做过过去不可能做过过去不可能做过过去本应该做过去本应该做过去本没必要做过去本没必要做过去本来会做过去本来会做1. 情态动词情态动词+have done的用法的用法易错常考点易错常考点宁愿过去（没）做了某事宁愿过去（没）做了某事过去本想做但没做成过去本想做但没做成2. 特殊用法特殊用法 cant help do 不能
10、帮助做不能帮助做 cant help doing 情不自禁做某事情不自禁做某事 may / might as well do 到不如，不妨做到不如，不妨做 cant / couldnt too / enough 再再也不为过也不为过 May sb. do. 表祝愿表祝愿 must 偏偏，非要偏偏，非要 should 按照常理推断按照常理推断；竟然、居然；竟然、居然 shall 用于用于1,3人称人称, 表示征求对方的意见；表示征求对方的意见； 用于用于2,3人称人称, 表示表示命令命令,警告警告,威胁威胁,承诺承诺。3.will & would, used to1）will _ would _
11、 used to _2）will 表示意志，决心或愿望。表示意志，决心或愿望。3）will用于第二人称用于第二人称 征求意见。征求意见。经常性、习惯性、倾向性经常性、习惯性、倾向性过去的习惯性过去的习惯性过去常常，现在不过去常常，现在不4. need & dare实义动词实义动词&情态动词情态动词情态动词情态动词: :疑问句，否定句和条件句疑问句，否定句和条件句实义动词实义动词: :必须带必须带totoYou neednt write to him.He doesnt need to try to explain.注意：注意：need, want, require，deserve： need
12、doing = need to be done Step 2：Consolidation1. The room is so dirty._ we clean it? Of course.A. Will B. Shall C. Would D. DoB2. My English-Chinese dictionary has disappeared. Who _ have taken it?A. should B. must C. could D. wouldC3. Is John coming by train? He should, but he _ not. He likes driving
13、 his car.A. must B. can C. need D. mayD5. It has been announced that candidates _ remain in their seats until all the paper have been collected.A. can B. will C. may D. shallD4. Jack _ yet, otherwise he would have telephoned me.A. mustnt have arrived B. shouldnt have arrivedC. cant have arrived D. n
14、eednt have arrivedC6. Oh, Im not feeling well in the stomach, I _ so much fried chicken just now. A. shouldnt eat B. mustnt have eaten C. shouldnt have eaten D. mustnt eat7. You cant imagine that a well-behaved gentlemen _ be so rude to a lady. A. might B. need C. should D. wouldCC8. Write to me whe
15、n you get home. _.A. I must B. I should C. I will D. I canC9. The fire spread through the hotel very quickly but everyone _ get out.A. had to B. would C. was able to D. couldC10. When he was there, he _ go to that coffee shop at the corner after work everyday.A. would B. should C. had better D. migh
16、t11. I wonder how he _ that to the teacher.A. dare to say B. dare saying C. not dare say D. dared say12. He insisted that he _ right, and so he insisted that his plan _ carried out at once. A. was; be B. be; would be C. was; was D. be; should be AAD13. The two strangers talked as if they _ friends f
17、or years. A. should be B. would be C. have been D. had been14. Id rather that you _ there yesterday and _ again next weekend. A. went ; should come B. should go ; had come C. had gone ; came D. go ; comeDCDADB19. If he _, he _ that food. Luckily he was sent to the hospital immediately. A. was warned ; would not take B. had been warned ; would not have taken C. would be warned ; had not taken D. would have been warned ; had not takenB20. Its high time that we _ to school. A. would go B. went C. go D. will goBHomework Go over the key points mentioned. Finish relevant exercises.