高一情态动词讲解

1、must 一定，必定；肯定句一定，必定；肯定句should 应该应该; 肯定句肯定句can 可能可能（可能性）（可能性） ；疑问句，否定句疑问句，否定句may 可能可能（可能发生）（可能发生） ；肯定句，肯定句， 否定句否定句could 可能可能（可能性）（可能性） ；比较委婉比较委婉might 可能可能（可能发生）（可能发生） ；肯定句，否定句；肯定句，否定句；比较委婉比较委婉单句填空用适当的情态动词填空。单句填空用适当的情态动词填空。 2. The traffic is heavy this day; I _ arrive a bit late, so could you save me

2、a place? might/may6. You _ not be hungry alreadyyou had lunch only two hours ago! can7. I cant find my purse anywhere. You _ have lost it while shopping. 8. She looks very happy. She _ have passed the exam. I guess so. Its not difficult after all. maymust9. Excuse me. Is this the right way to the Su

3、mmer Palace? Sorry, I am not sure. It _ be. 10. When can I come for the photos? I need them tomorrow afternoon. They _ be ready by 12:00. mightshould表示请求许可情态动词Shall/will/would/can/could/may/might均可表示请求，许可。但要特别注意与人称的搭配：shall用于第一、第三人称；will/would 用于第二人称；can/could/may/ might可用于各种人称。用would/could/might语气委

4、婉，不表示“过去”时态。 may较侧重讲话人的许可，比较正式。而can较侧重客观情况的许可；常用于口语中；在答语中表示允许别人做某事要can/may，不能用could/might。 1、 Could Can, May, Might I use it? Yes, you can may. （否定答语可用No, Im afraid not.） 2、 Might I use your pen? No, you mustnt. 3、Shall he open the window？要他打开窗户吗?4、Would/Will you come and see me next Sunday？你下周来看我好吗

5、? 1. My MP4 player isnt in my bag. Where _ I have put it? 2. Hows your tour around the Noah Lake? Is it beautiful? It _ be, but it is now heavily polluted. 3. Isnt that Anns husband over there? No, it _ (not) be him. Im sure he doesnt wear glasses. 4. Helen _ go on the trip with us, but she isnt qui

6、te sure yet. 5. You _ (not) be tiredyouve only been working for an hour. 6. Mr. White _ (arrive) at 8:30 for the meeting, but he didnt show up.can/couldshouldcantmight/maycantshould have arrived 1. 每个人在一生中都有可能犯错误。_ 2. 彼得本周有可能去参加一个会议，但我不太确定。_ 3. 你从昨晚起就没有睡觉，你肯定累了。_ 4. 我想你可能要一些看的东西，所以我给你带来了几本书。_ Key： 1

7、. Everyone can make mistakes in his life. 2. Peter could/may/might go to attend a meeting this week, but I am not sure. 3. You havent slept since last night; you must be tired. 4. I think you might/may like something to read, so I bring you some books.一、单句填空一、单句填空用适当的情态动词填空。用适当的情态动词填空。 1.He did not

8、regret saying what he did but felt that he _ have expressed it differently. (2009江苏卷江苏卷) 2. I _ not have watched that movie- itll give me horrible dreams. (2010山东卷山东卷) could should3. Mark _ not have hurried. After driving at top speed, he arrived half an hour early. (2010天津卷天津卷) 4. Sorry, Professor

9、Smith. I didnt finish the assignment yesterday.Oh, you _ have done it as yesterday was the deadline. (2010上海卷上海卷) need should 5. Im sorry. I _ not have shouted at you the other day. Forget it. I was a bit out of control myself. (2008年江苏年江苏) 6. What a pity. Considering his ability and experience, he

10、_ have done better. (2008年江西年江西) should might 7. Catherine, I have cleaned the room for you. Thanks. You _ not have done it. I could manage it myself.（福建）（福建）8. He paid for a seat, when he _ have entered free.（山东）（山东）need could 二、写作运用二、写作运用 Being a hard-working and simple woman in the countryside, m

11、y mother almost places all her hopes to her crops.The crops in the field could have grown better, but an unexpected drought ruined all her hopes, for which my mother must have suffered a great deal. As she is determined, she cant be beaten easily and new hopes soon came up in her heart. She must be

12、planting new crops which can strongly resist drought so that the fields wont lie wasted. What my mother did is trying to tell me one can find the road to success if he can stick to his dream.一、单句填空一、单句填空用适当的情态动词填空。用适当的情态动词填空。 1. What do you mean, there are only ten tickets? There _ be twelve. (2009全

13、国全国I) 2. I cant leave. She told me that I _ stay here until she comes back. (2009全国全国) should must 3. I havent got the reference book yet, but Ill have a test on the subject next month.Dont worry. You _ have it by Friday. (2010江苏卷江苏卷) 4. I have told you the truth. _ I keep repeating it? (2010江西卷江西卷)

14、 shall Must 5. Just be patient. You _ not expect the world to change so soon. (2010全国卷全国卷I) 6. May I take this book out of the reading room? No, you _. You read it in here. (2010陕西卷陕西卷) can mustnt/cant 7. You _ not park here! Its an emergency exit. (2010重庆卷重庆卷) 8. It is usually warm in my hometown i

15、n March, but it_ be rather cold sometimes. (2008年福建年福建) must can 9. When I was young, I was told that I _ not play with matches. (2008年上海年上海) 10. In crowded places like airports and railway stations, you _ take care of your luggage. (2007年北京年北京) must must 11. You know he is not going to let us leave

16、 early if we_ not get the work done. (上海上海) 12. May I smoke here? If you _ , choose a seat in the smoking section. (2006山东卷山东卷) can must 二、写作运用二、写作运用 Just now, some one knocked at the door. Actually, she neednt have opened the door, but her mother was busy cooking, and nobody else could open the door at that time. Then she told her mother that it couldnt be her father, because he was on business in Shanghai, and that it must b