1、Module6Grammar导学案11.“may(might)+have+过去分词”表示___________________________1).You might both have been caught and killed. _________________2).He might have not settled the problem._______________________注意：这一句型用may和might含义基本相同，常可换用，只是might所表示的可能性比may更加微弱，语气更加
2、委婉。2.“must + have+过去分词”表示______________只用于_____中。如：1).The students are playing on the playground now. They must have finished their homework._______________________________________3.“can/could + have+过去分词表示________________用于_____如：1).There is no light in
3、the room. Can he have gone out？ ____________2).They can’t have finished the work that soon. __________________4.“should + have+过去分词”表示________________________，其否定形式_____________，意思是____________。如：1).You should have handed in your composition last week.___
4、________2).You shouldn’t have gone to see film last night. ________________注意：(1).“should + have+过去分词”___________________________，Tom has done the work for two days， so he should have finished it already. (2).该结构还可表示_______________________________________
5、__There is no reason why she should have refused.__________________It is surprising that he should have been so stupid._________________5.could+have+done表示“__________________，是一种责备的语气。---IpaidavisittoNewYorklastmonthandIstayedatanicehotel.---Oh，youcouldha
6、vestayedwithTom.6.“need + have+过去分词”表示过去“____________________”否定形式____________________，表示__________________________。如：1).You needn’t have told him about it._____________________7.would+have+done为虚拟语气，表示_______________________”，其否定形式为______________________
7、，表示_________________Step1情态动词＋have+过去分词用法小结1.“may(might)+have+过去分词”表示___________________________1).You might both have been caught and killed. _________________2).He might have not settled the problem._______________________注意：这一句型用may和might含义基本相同，常可换用，只是
8、might所表示的可能性比may更加微弱，语气更加委婉。2.“must + have+过去分词”表示______________只用于_____中。如：1).The students are playing on the playground now. They must have finished their homework._______________________________________3.“can/cou
