专题八 │ 正面解读 情态动词 意义
例句
备注
will/would 表示功能(能,行)
①If you don't have a pen, a pencil will do. ② We tried the door again,but it wouldn't open.
与否定词连用常表示“拒绝”。
表示推测(可能、大概)
①This will be the house you are looking for. ②I would be about ten when my father left home. 三、情态动词+have done
专题八 │ 正面解读 情态动词 意义
例句
备注
must have done;may/might have done;can/could have done 一定(肯定句);可能(肯定句和否定句);可能(疑问句和否定句) You can't/couldn't have met my grandmother. She died before you were born.
对过去的事情的推测
might have done; could have done;would have done 本来可能做……而未做;本可以做……而未做;本来会做……而未做 ①He might have given you more help, even though he was very busy.②We could have walked there, and it was so near. 与过去事实相反的虚拟表达
专题八 │ 正面解读 情态动词 意义
例句
备注
should/ought to have done 本应该做……而未做
Your brother has failed English exam again. You ought to have given him more help.
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