1、情态动词的情态动词的八大考点八大考点 一、一、can/may/must/need 问句的回答方式问句的回答方式Can/Could you do sth.Yes,I/we/can/couldNo,I wecant/couldntMay I do sth.?Yes,No,you Must I/we do sth.?Yes,No you Need I do sth.?Yes,No,you 疑问句式肯定句式否定答式you may.mustnt/may not.you mustneednt/dont have to.you must.neednt/dont have to.二、二、can,could,m
2、ay,might,must 表示判断的用表示判断的用法比较法比较 1.The light is on in the office now,so there _be someone in it,isnt there?2.Im 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.mustmay/mightcant 三、情态动词三、情态动词+不定式完成式是历年高考的不定式完成式是历年高考的热点之一，可表示热点之一，可表示“推测
3、推测”、“责备责备”、“怀疑怀疑”等多种意义。等多种意义。1.must have done 2.may/might have done 3.cant couldnt jave done 4.should/ought to have done 5.shoulnt/oughtnt to have done 6.could have done 7.neednt have done 8.would rather have done 1.The ground is rather wet,so it _have rained last night,didnt it?2.Tom _have gone to
4、Shanghai,but Im 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.mustmaycantcouldshould 6.Your home is not far from your sch
5、ool,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.8.Im very sorry for the words I_ have said to you at that moment.9.-I paid a visit to New York last month and we stayed at a nice hotel.-Oh,you _have stayed with Barbara.She is alw
6、ays willing to do you a favour.shouldntcouldneedntwould rather四、四、shall和和will的比较的比较比较内容比较内容肯定句肯定句疑问句疑问句shall表示表示“威胁威胁”、“警告警告”、“允允诺诺”的语气的语气与第一、三人称与第一、三人称连用，表示征询连用，表示征询对方的意见对方的意见Will/would1）表示）表示“习惯习惯”2）表示）表示“愿意愿意/望望”3）表示）表示“必然性必然性”与第二人称连用，与第二人称连用，表示征询对方的表示征询对方的意见意见1.If you _follow my advice,I _offer
7、you some help.2._you meet him right now or _ he wait outside,sir?willshallWillshall五、五、need和和dare作行为动词或情态动词作行为动词或情态动词的比较的比较比较内容比较内容是否有人是否有人称和数的称和数的变化变化是否借助于助动是否借助于助动词词搭配搭配行为动词行为动词有有是是+to do sth./sth.情态动词情态动词（否（否/疑）疑）没有没有否否do sth.六、六、can和和be able to的比较的比较，以及，以及must和和have to 的比较的比较 1.Few people _ _sen
8、d 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.could/were able
9、towas able tohad tomust七、七、used to和和 would的比较的比较 1、would 主要表示过去一段时间内的某种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，意为习惯，常与表示过去的时间状语连用，意为“总要，总是总要，总是”used to 主要表示过去存在但是现在已不主要表示过去存在但是现在已不再存在的习惯，意为再存在的习惯，意为“过去常常过去常常”。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
10、 getting up very early.Xiao Li _be a model worker.He is now a university student.wouldused toused to八、情态动词的否定式比较八、情态动词的否定式比较 mustnt禁止，不准禁止，不准 cant/couldnt 不能；不可能不能；不可能 neednt 不必不必 shouldnt不该不该 wont/wouldnt 不愿意不愿意 darent 不敢不敢 1.The fire spread through the hotel very quickly,but everyone_get one.A.wer
11、e able to B.would C.was able to D.could 2.You_return the book now,you can keep it until next week if you like,A.cant B.mustnt C.neednt D.may not 3.When he was there,he_ go to that coffee shop at the corner after work every day.A.would B.should C.had better D.might 4.-Could I use your bike?Yes,of cou
12、rse.you_.A.might B.will C.can D.shouldCCAC 5.-Will you stay for lunch?-Sorry,_.My brother is coming to see me.A.I oughtnt to B.I cant C.I neednt D.I shouldnt 6.-_I invite Jcak to the party?-Yes,itll be nice if you_.A.Will;may B.Shall;will C.Shall;shall D.Will;will 7.-There were already five people i
13、n the car,but they managed to take me as well.-It_a comfortable journey.A.cant be B.shouldnt be C.mustnt have been D.couldnt have beenBBD 8.We_last night,but we went to the concert instead.A.must have studied B.might study C.should have studied D.would study 9.There was plenty of time.She_.A.mustnt
14、have hurried B.couldnt have hurried C.mustnt hurry D.neednt have hurried 10.Yesterday,Jane walked away from the discussion.Otherwise.She_something she would regret later.A.had said B.said C.might say D.might have said.CDD 11.-Did you scold him for his mistake?-Yes,but_it.A.Id rather not do B.Id better not do C.Id better not have done D.Id rather have not doneD
