英语语法_情态动词(新东方_杨文哲)

1情态动词23能力请求/允许必要性推测cancouldbeabletomaymightmusthavetoshallshouldoughtto√√√√√√√√√4can,could能力，能够(can现在could过去)CanIgotothebathroom?Idon’tknow.Youmustknowifyoucan.Thefirespreadthroughthehotelveryquicklybuteveryone__getout.(1997全国)A.hadtoB.wouldC.couldD.wasabletoD5区别was/wereable:付出努力并成功做到could：有潜能，但并未做到Thechemistwasopen,soluckilyI__buysomeaspirin.A.canB.wasabletoC.couldD.hadtoBHepaidforaseat,whenhe__haveenteredfree.(2005山东)A.couldB.wasabletoC.wouldD.hadtoA6可以，允许(could更委婉)Excuseme,isthisseattaken?CanIsithere?Yes,youcan.推测can:只用于否定和疑问句Shecan’tbeourteacher.could：肯定、否定、疑问均可couldn’t比can’t更不确定7You__betired—you’veonlybeenworkingforanhour.(2004吉林)A.mustnotB.won’tC.can’tD.maynotC8may,might可以，允许(比can/could更正式)MayI?推测can’tcouldn’tmaynotmightnotcouldmaymight9区别：maybe，maybeTheseshoes__Jim’s,Ithink.A.maybeB.maybeC.mayareD.mayisBmaybe可能maybe可能是10should，oughttoshould“应该”（义务、责任或劝告）Booksandfriendsshouldbefewbutgood.oughtto语气更强Everybodyoughttodoatleasttwothingseachdaythathehatestodo.11must,havetomust必须：主动haveto不得不：被动接受.12mustnot(mustn’t)禁止MustIdo…?Yes,youmust.No,youdon’thaveto./No,youneedn’t.13Mustwefinishthejobbeforedark?No.You__leavesomepartsofittomorrow.A.mustB.mustn’tC.needD.mayD14MayIsmokehere?Ifyou__,chooseaseatinthesmokingarea.(2006山东)A.shouldB.couldC.mayD.mustD15need“需要，必须”dare“敢”肯定句：need/daretodo(实意动词)否定句：needn’t/daren’tdo(情态动词)16You__tothemeetingthismorningifyouhavesomethingimportanttodo.A.needn’ttocomeB.don’tneedcomeC.don’tneedcomingD.needn’tcomeD17Ihavetodothisexperimentagain,butyou__withme.A.needtonotgoB.donotneedgoC.neednotgoD.needgonotC18will,would“愿意”will（现在）would（过去）would征求意见（语气委婉）19情态动词表示猜测肯定：mustshouldcouldmaymight否定：can’tshouldn’tcouldn’tmaynotmightnot20Johnny,you__playwiththeknife,you__hurtyourself.A.won’t,can’tB.mustn’t,mayC.shouldn’t,mustD.can’t,shouldn’tBI’vetakensomeoneelse’sgreensweaterbymistake.It_Mary’s.Healwayswearsgreen.(05广东)A.hastobeB.willbeC.mustn’tbeD.couldbeD21情态动词+havedone(描述过去)猜测musthavedonecan’thavedonecouldhavedonemayhavedonemighthavedonecouldhavedone过去一定过去一定不过去可能...本来能...而实际没有22Shecouldhavebeenhiswife.她以前可能是他的妻子。她本应该是他的妻子。23建议shouldhavedoneshouldnothavedoneneednothavedonedidn’tneedtodo过去应该...过去不该...过去没有必要做...没有必要做并且没做...24You__me.Butsinceyouhave,I'llkeepthesecretfromothers.A.needn'thavetoldB.didn'tneedtotellC.mustn'thavetoldD.couldn'thavetoldA25Mr.White__at8:30forthemeeting,buthedidn’tshowup.A.shouldhavearrivedB.shouldarriveC.shouldhavehadarriveD.shouldbearrivingA26He__havecompletedhiswork;otherwise,hewouldn’tbeenjoyinghimselfbytheseaside.A.shouldB.mustC.mustn’tD.can’tB27Itiskindofyoutodothewashing-up,butyou__it.A.mustn’thavedoneB.wouldn’thavedoneC.mightn’thavedoneD.needn’thavedoneD