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1、情态动词破疑训练课,Grammar,modal verbs,Q1. 表示“推测”这层含义时，试着把下列情态动词按语气从强到弱排序，并翻译。 could might should may can must Q2. 翻译以下含“情态动词+ have done” 的句子, 讨论相应的结构怎么翻译。 The ground is wet, it must have rained last night. You could have had a better mark. The door was locked，so she couldnt have been at home. You should/oug
2、ht to have told her the truth earlier. 5. Our color TV set is still good enough. You neednt have bought a new one. 6. He may have gone to the clinic.,must have done什么意思？,could have done什么意思？,could not have done 表示什么？,should/ ought to have done 表示什么？,neednt have done 表示什么？,may have done 表示什么？,Q1. mus
3、t should - can could may-might,一定,或许,可能,应该,也许,可能,Q2. 1. must have done 一定做过 2. could/ can have done “本能够而实际上没” 3. cant / couldnt have done “不可能” should have done 本应该做而实际上没有” shouldnt have done 本不应该而实际上却 5. neednt have done “本没有必要而实际上” 6. may/might have done “也许/或许做过”,1-4. DCBB 1-5. BDDCD,1-5.ADBCD 6
4、-10. BBDCB 11-15.CBAAB 16-20. BABDA,3.may/might,You shall do as I say. (命令),1.在陈述句中,shall用于二、三人称表示允诺、警告、命令、决心等。,Shall I open the window for you？（征求意见）,2.在疑问句中,用于一、三人称，用来表示请求或征求意见。,注意：,Tell him that he shall have the book tomorrow. (允诺),Nothing shall stop me doing it. (决心),Shall he fetch some water f
5、or you？（请求）,Young people should learn how to use computers.,3. should常表示劝告、建议、命令，与ought to意义相近，但ought to多表示责任、义务，语气强烈。,Every citizen ought to obey law.,You ought not to go.,You should/ought to have told her the truth earlier.,She shouldnt have left without saying a word.,4.should/ought to have done表
6、示责备或批评,意为“本应该但”,ought to的语气更强烈,用于否定则表示“本不该但”,5.Should用于可能性推测时,表“应该，很可能”,They left at 5:30. They should get there now.,I 1) D 2) D II. C III 1-7. BBDABBC 8. must be doing 9. must have rained 10. must be 11. must have been sleeping 12. should have finished,IV 1) D 2) D 5. 1) B 2) A 1-5. DCDDB 6-11. DBCDCA,