必修三情态动词

1 情态动词 Modal Verbs 请回忆一下你所学过的情态动词有哪些？ ________________________________________________________________________________________ _________________________________________________________________________________________ 下面来具体学习各情态动词的用法。 一、 may & might 1.表示请求多用于第一人称，might 比may 语气委婉。肯定回答用may 或can,否定回答用can’t, mustn’t. —May/might I borrow some money? —Yes, you may/ you can. No, you can’t/ you mustn’t 2.表示许可，允许。might 为 may的过去式 You may drive the car. You may not take the book home. He said he might lend us some money. He asked if he might use the phone. 3.表示对现在或将来的推测、可能，用于肯定句或否定句。may的可能性大于might。 He may be very busy now. They may/might be waiting at the station. The problems may be solved in a number of different ways. He might tell his wife. She might not believe your story. 4.may/might have done 表示对过去的推测。用于肯定句或否定句。may的可能性大于might。 He may have gone abroad. Jack may/might have been hurt seriously in the car accident. He may/might not have finished the work. Eva might not have seen him yesterday. 5.might have done 还可以表示虚拟，意为本来能够做某事却没有做。表示轻微的责备、埋怨。 You might have told me. 你本来可以告诉我的。 I might have helped her but I was too busy._________________________________________ You might have given her more help.______________________________________________ 6.用于祈使句中，表祝愿。May you succeed! 练习一 1. He ______ you more help, even though he was very busy. A. might have given B. might give C. may have given D. may give 2. Sorry I'm late. I ______ have turned off the alarm clock and gone back to sleep again. A. might B. should C. can D. will 3. -- Are you coming to Jeff's party?...