Modalverbs高三复习.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,情 态 动 词,(Revision),Learning targets,1.To review modal verbs,2.To consolidate what will be reviewed,Step 1:Revision,情态动词的特点,常考情态动词,情态动词的归类（词义）,情态动词表推测,情态动词表虚拟,情态动词易错常考点,一、情态动词的特点,表说话人的语气，态度或看法；,有一定词义，但不能单独做谓语，需,+v,才能构成谓语,;,一般有现在式或过去式（,注：,过去式未必表过去，有时可表示语气委婉或可能性小,）,二、情态动词有：,现在,过去,can,may,will,shall,must,ought to,need,dare,could,would,might,dared,should,三、常见用法归类,2.,表,请求许可或征求意见,：,may,might,can,could,will,would,shall,3.,表,可能,：,can,might,may,could,should,e.g.,(1)It,can,be cold in March.,(2)He,may,not go to the party tonight.,e.g.,(1),Will,you do me a favor?,(2),Shall,we begin our class?,(3),May,I come in?,1.,表,能力,：,can,could(,过去,),e.g.,You,cant,find a better place than it.,4.,表,命令,：,must,shall,e.g.,It has been announced that candidates,shall,remain in their seats until all the papers have been collected.,5.,表,义务,：,must,shall,should(ought to),e.g.,(1)You,must,work hard.,(,注：,have to),(2)As students,we,should,do the homework by ourselves.,6.,表,禁止,：,mustnt,cant,shant,e.g.,(1)You,cant,park the car here.,(2)You,mustnt,go out alone at night.,7.,表,推测,：,must,may,might,could,(,肯定,),can,cant,couldnt(,否定或疑问,),e.g.,(1)It must,have rained,last night,didnt it,?,(2)They ca,nt,be playing,basketball,arent they,?,(3)He could,be,on his way home now.,(4)Mr.Smith is on time for everything.How can he be late for the meeting,?,关键 ：,（,1,）,时态,（,2,）可能性大小,（,3,）肯,/,否定句还是疑问句,8.,表,虚拟,（含,if,的主从复合句中及相关,名词性,从句中）,时间,谓语动词形式,if,从句,主句,现在,过去,将来,(1),动词过去式,（,be,多用,were,）,would/should/could/might+,动词原形,would/should/could/might+,have done,would/should/could/might+,动词原形,had,done,动词过去式,were to do,should do,注意：,1.,时态,2.,情态动词词义辨析,e.g.,(1)If I,had,time,I would _(attend)the meeting.,(2)If you _(take)my advice,you would not,have failed,in the exams.,(3)If it,were to rain,tomorrow,the sports meeting would _(be)put off.,attend,had taken,be,(2),用于名词性从句中,(should+do),i.,suggest,/advise/propose/recommend/,insist,/order+,从句主语,+,(should)+do,ii.,Its important/necessary/natural/strange that+,从句主语,+,should+do,iii.,Its high/about time that+,从句主语,+,should do,/,did,e.g.(1)They suggested that he _(take)exercise regularly.,(2)It is important that he _(follow)his parents advice.,(3)It was high time that we _(have)lunch.,should take,should follow,should have/had,could/might have done,may have done,must have done,cant/couldnt have done,should/ought to have done,neednt have done,would have done,would rather(not)have done,would like/love to have done,过去可能做过,过去本能够,/,可以做,过去可能做过,过去肯定做过,过去不可能做过,过去本应该做,过去本没必要做,过去本来会做,1.,情态动词,+have done,的用法,易错常考点,宁愿过去（没）做了某事,过去本想做但没做成,2.,特殊用法,cant help do,不能帮助做,cant help doing,情不自禁做某事,may/might as well do,到不如，不妨做,cant/couldnt too/enough,再,也不为过,May sb.do.,表祝愿,must,偏偏，非要,should,按照常理推断,；竟然、居然,shall,用于,1,3,人称,表示征求对方的意见；,用于,2,3,人称,表示,命令,警告,威胁,承诺,。,3.will&would,used to,1,）,will,_,would _,used to _,2,）,will,表示意志，决心或愿望。,3,）,will,用于第二人称 征求意见。,经常性、习惯性、倾向性,过去的习惯性,过去常常，现在不,4.need&dare,实义动词,&,情态动词,情态动词,:,疑问句，否定句和条件句,实义动词,:,必须带,to,You neednt write to him.,He doesnt need to try to explain.,注意：,need,want,require,，,deserve,：,need doing=need to be done,Step 2,：,Consolidation,1.The room is so dirty._ we clean it?,Of course.,A.Will B.Shall C.Would D.Do,B,2.My English-Chinese dictionary has disappeared.Who _ have taken it?,A.should B.must C.could D.would,C,3.Is John coming by train?,He should,but he _ not.He likes driving his car.,A.must B.can C.need D.may,D,5.It has been announced that candidates _ remain in their seats until all the paper have been collected.,A.can B.will C.may D.shall,D,4.Jack _ yet,otherwise he would have telephoned me.,A.mustnt have arrived B.shouldnt have arrived,C.cant have arrived D.neednt have arrived,C,6.Oh,Im not feeling well in the stomach,I _ so much fried chicken just now.,A.shouldnt eat B.mustnt have eaten,C.shouldnt have eaten D.mustnt eat,7.You cant imagine that a well-behaved gentlemen _ be so rude to a lady.,A.might B.need C.should D.would,C,C,8.Write to me when you get home.,_.,A.I must B.I should C.I will D.I can,C,9.The fire spread through the hotel very quickly but everyone _ get out.,A.had to B.would C.was able to D.could,C,10.When he was there,he _ go to that coffee shop at the corner after work everyday.,A.would B.should C.had better D.might,11.I wonder how he _ that to the teacher.,A.dare to say B.dare saying,C.not dare say D.dared say,12.Heinsistedthathe_right,andsohe,insistedthathisplan_carriedoutatonce.A.was;be B.be;wouldbe,C.was;was D.be;shouldbe,A,A,D,13.The two strangers talked as if they _ friends for years.,A.should be B.would be,C.have been D.had been,14.Id rather that you _ there yesterday and _ again next weekend.,A.went;should come,B.should go;had come,C.had gone;came,D.go;come,D,C,15.They _ earlier,but the car wasnt ready.,A.can have left B.may have left,C.will have left D.might have,left,D,16.If the flower had been watered,it _ now.,A.wouldnt die B.is dead,C.had been dead D.will not die,A,17.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,D,18._ it rain tomorrow,we would have to put off the visit to the,Yangpu,Bridge.,A.Were B.Should,C.Would D.Will,B,19.If he _,he _ that food.,Luckily he was sent to the hospital immediately.,A.was warned;would not take,B.had been warned;would not have taken,C.would be warned;had not taken,D.would have been warned;had not taken,B,20.Its high time that we _ to school.,A.would go B.went,C.go D.will go,B,Homework,Go over the key points mentioned.,Finish relevant exercises.,Thank you,