英语语法课件 高三情态动词考点复习.pptVIP

一、can/may/must/need 问句的回答方式 二、can,could,may,might,must 表示判断的用法比较 1. The light is on in the office now, so there _______be someone in it, isn’t there? 2. I’m not sure whether he will come today. He ____________be ill today. 3. Tom has gone to Beijing, so you ______ see him in our school now. 三、情态动词+不定式完成式是历年高考的热点之一，可表示“推测”、“责备”、“怀疑”等多种意义。 1. must have done 肯定做了 2. may/might have done 可能已做了 3. can’t/ couldn’t have done不可能做了 4. should /ought to have done本该做但没做 5. shoudn’t/oughtn’t to have done本不该做但做了 6. could have done 本可以做但没做 7.needn’t have done 本不必做但做了 8. would rather have done 本想做但没做 1. The ground is rather wet, so it _______have rained last night, didn’t it? 2. Tom ____have gone to Shanghai, but I’m still not sure about it. 3. The ground is very dry, so it ____have rained last night. 4. Someone must have broken into our bedroom. Who________have done it? 5. I really regretted wasting the hours when I ______have studied hard, but it was too late. 6.Your home is not far from your school, so you _______have left in such a hurry then. 7. I _____________have come to help you with your English, but I was too busy at that time. 四、shall和will的比较 五、need和dare作行为动词或情态动词的比较 六、can和be able to的比较 ，以及must和have to 的比较 1.Few people ___________ __send their children to school before liberation. 2. Joe was an excellent swimmer, so he _____________swim back to the bank when the ship sank. 3. It snowed heavily last night, so I --- get up early to sweep the snow in the yard. 4. Every student ______ obey the school rules and become a good student in every way. 七、used to和 would的比较 1、would 主要表示过去一段时间内的某种习惯，常与表示过去的时间状语连用，意为“总要，总是” used to 主要表示过去存在但是现在已不再存在的习惯，意为“过去常常”。 On Sundays he _______go to call on the old man when he was young. I _______get up late, but now I have got used to getting up very early. Xiao Li ________be a model worker. He is now a university student. 八、情态动词的否定式比较 mustn’t禁止，不准 can’t /couldn’t 不能；不可能 needn’t 不必 shouldn’t不该 won’t/ wouldn’t 不愿意 dar