情态动词高考考点归纳.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,*,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,*,情态动词高考考点归纳:,情态动词,表示推测,不表示推测,can could,may might,shall should,must,will would,ought to,have to,dare (darent),need (neednt),used to,表示推测,情态动词的重要用法,.,肯定的推测,可能的推测,否定的推测,疑问的推测,must/should,对将来,对现在,对过去,情态动词,may,might,cant,couldnt,can,could,+V.,+V,.,+have done,常见must be +be doing,+V.+V.,+have done,+be doing,可以用not表示“可能不”,+V.+V.,+have done,+be doing,+V.+V.,+have done,+be doing,不同的“肯定”程度可按下列层次排列：,He,is,at home.(,事实,),He,must be,at home.,（非常肯定的推断）,He,could be,at home.,（很可能）,He,ought to be,at home.,（很可能）,He,may be,at home.,（仅仅可能而已）,He,might be,at home.,（或许,非常不确定）,He,might not be,at home.,（也许不在家）,He,may not be,at home.,（比,might,可能）,He,couldnt be,at home.,（很可能不在家）,He,cant be,at home.,（一定不在家）,He,isnt,at home.,（事实）,1.情态动词+,动词原形,表对现在推测的用法,1,）,肯定的推测,可用,must-will-would-ought to-,should-may-might,（语气逐渐减弱，可能性从大到小。）,Its nearly seven oclock.Jack _ be here,at any moment.,A.must B.need C.should D.can,Are you coming to Jeffs party?,Im not sure.I _go to the concert instead.,A.must B.would C.should D.might,Is John coming by train?,He should,but he _ not.He likes,driving his car.,A.must B.can C.need D.may,2,）,否定的推测,用,may not(,语气较弱,),，,cant(,语气较强,),couldnt(,语气介于两者之间,),。,e.g.-Isn,t that Anns husband over there?-No,it _ be hi,m.,Im sure he,doesnt wear glasses.,A.cant B.must not C.wont D.may not,You _ be tired-youve only been,working for an hour.A.must not B.won t C.can t D.may not,3,）,疑问的推测,一般只用,can/could,（可能性更小）。,e.g.How_ you say that you really understand,the whole story if you have covered onlypart of,the article?,A,can B,must C,need D,may,Sorry Im late,I _ have turned off the,alarm clock and gone back to sleep again,A.might B.should C.can D.will,My sister met him at the Grand Theater yesterday afternoon,so he _ your lecture,A,couldnt have attended,B,neednt have attended C,mustnt have attended,D,shouldnt have attended,2.,情态动词,+have+done,结构表过去推测或虚拟的用法,Jack,yet,otherwise he would have,telephoned me,A.mustnt have arrived B.shouldnt have arrived C.cant have arrived D.need not have arrived,I was really anxious about you,You _ home without a word,A.mustnt leave B.shouldnt have left C.couldnt have left D.neednt leave,I told Sally how to get here,but perhaps I _ for her,A,had to write it out B,must have written it outC,should have written it out D,ought to write it out,3.shall,表命令、指示、意图、允诺；义务、规定的用法,1,）,shall,用于,第二、三,人称的陈述句，表警告、命令、意图、允诺、决心等，“必须,/,应,/,可”。,2,）,shall,在条约、规章、法令等文件中用于第,三,人称，表义务或规定，“应,/,必须”。,e.g.It has been announced that candidates _remain in their seats until all the papers have been collected.,A.can B.will C.may D.shall,“,The interest_ be divided into five parts,according to the agreement made by both sides,”declared the judge.,A.may B.should C.must D.shall,-Excuse me,but I want to use your computer to type a report.-You _ have my computer if you dont take care of it.,A.shant B.might not C.needntD.shouldnt,4.must,表主张或与说话人愿望相反及不耐烦的用法,1,）,must,表主张，“一定要,/,坚持要”,2,）,must,表与说话人愿望相反及不耐烦，“偏要”,e.g.-Who is the girl standing over there?-Well,if you_ know,her name is Mabel.,A.may B.can C.must D.shall,John,look at the time._ you play the piano at such a late hour?,A.Must B.Can C.May D.Need,if,条件句,从句的谓语形式,主句的谓语形式,与现在事实相反,与过去事实相反,与将来,事实,相反,一般过去时,be were,would/could/should/might+,V-,原形,过去完成时,were to+V,原,would/could/should/might+,have done,一般过去时,should+V,原,would/could/,should/might+,V-,原形,归纳,1,2,.,w,ish 的宾语从句,现在:,(were,/did,),过去:,(had done),将,来:,would/could/might+,do,4,.as if/though+,从句,现在,:,过去,:,将来,:,were/did,would/should/might/could+do,had done,3,.If only,引导的感叹句,were/did,had done,would/could/might+do,现在,:,过去,:,将来,:,5,.Its(about/high)time+that,did,should(,不省,)+V.,6.,.,would rather,现在,:,过去,:,将来,:,were/did,were,/did,had done,7.,.,名词性从句,（,should)+V.,