（2021新牛津译林版）高中英语必修二Unit4 Grammar and usage (I) 知识点ppt课件.pptx

1、Unit 4 Exploring literature Grammar and Usage II Modal verbs 常见的情态动词常见的情态动词 Modal verbs （4组）组） can/could, may/might, shall/should, will/would （4对）对） have to, had better, ought to, used to （3个）个） must, need, dare Review 构成构成意义意义 may/might have done“可能可能已经做已经做了某事了某事” “一定做过某事一定做过某事” “本应该做某事本应该做某事却却没做没做

2、” “本不应该做某事本不应该做某事，却做了却做了” “本不必做某事本不必做某事, , 却做了却做了” “过去本来能够做某事过去本来能够做某事，却却没做没做” “过去不可能做某事过去不可能做某事” must have done should/ought to have done shouldnt/oughtnt to have done neednt have done could have done cant/couldnt have done Review Applying the rules P49 B1 For the following groups of three sentence

3、s, tick the sentence which uses the modal verb differently from the other two. 1. a Can I keep the book for more than two weeks? b Nick can read more in an afternoon than I can in a week! c Can Mary finish War and Peace in a month? 2. a I am afraid I may be unable to finish this novel today. b It ma

4、y be difficult for people to agree on what good literature is. c You may go to the library tomorrow afternoon, if you have time. request ability ability possibility possibility suggestion Applying the rules B1 For the following groups of three sentences, tick the sentence which uses the modal verb d

5、ifferently from the other two. 3. a I must finish writing the book review and hand it in before Wednesday. b You must be tired after three hours reading. c Students must develop the habit of reading classic literature. 4. a Henry should be reading books in the library. b I have fifty dollarsthat sho

6、uld be enough for three books. c Reading English novels has greatly increased my vocabulary you should try it too. necessity possibility necessity possibility possibility suggestion B2 Below is an entry in a students reading journal. Complete the entry with the correct model verbs in brackets. When

7、my English teacher suggested that I read Charles Dickenss A Christmas Carol, I thought, “I (1) (cant/shouldnt) read this! It (2) (has to/must) be very boring.” Surprisingly, it turned out . I (3) (could/might) not stop turning the pages! The books main character is Scrooge, a rich but mean old man.

8、He hates all kinds of celebrations. On Christmas eve, he is to different points in his life by three spirits. In the end, he these moments and realizes his mistakes. Then he decides that he (4) (might/must) change himself. On Christmas morning, he sends a large turkey to a poor man for Christmas din

9、ner. He also tries to make his family and friends happy by spending time with them. B2 Below is an entry in a students reading journal. Complete the entry with the correct model verbs in brackets. There is something that (5) (can/must) be learnt from A Christmas Carol: we (6) (should/may) treat othe

10、rs with kindness, generosity and love. I think everyone (7) (would/ought to) read this book. C Fill in the blanks with the correct forms of the verbs in the brackets, using the proper modal verbs. P76 can be must/may/might be wouldnt listen may/might prefer C Fill in the blanks with the correct form

11、s of the verbs in the brackets, using the proper modal verbs. P76 shall/should talk must have cost must/shall be returned Keys: I. 1-5 BBBCD 6-10 DADDB 11-15 BDDDC 16-20CDBAB 21-25BDCAA II. 1.be made 2. must 3. can 4. could 5. might have left 6.neednt have done 7 Cant , must 8. must 9. must 10. should 11. should have taken 12. cant/couldnt have gone 13. must 14. Will/Would 15. dont dare 16. will not listen 17. wouldnt say where he was. 18. neednt clean 19. should 20. might have found Additional exercises Finish the additional exercises.