专题04情态动词知识梳理ModalVerb·模块一can/could/beableto用法分述。·模块二may/might用法分述。·模块三must/haveto用法分述。·模块四should/oughtto用法分述。·模块五need用法分述。·模块六will/would用法分述。·模块七wouldrather/hadbetter用法分述。1.can/could的基本形式和用法:could是can的过去式,或作为委婉语a.用于请求或允许,意为“能……”--Could/CanIhavethetelevisionon?--Yes,you_____________________./No,you_____________________.b.在疑问句和否定句中表示推测,意为“可能……吗?”、“不可能”can/could/beableto用法分述can/could/beableto用法分述can/could/beableto用法分述can/could/beableto用法分述can/could/beableto用法分述can/could/beableto用法分述can/could/beableto用法分述can/could/beableto用法分述can/could/beableto用法分述can/could/beableto用法分述can/could/beableto用法分述can/could/beableto用法分述can/could/beableto用法分述can/could/beableto用法分述can/could/beableto用法分述他可能是坏人吗?他不可能是坏人。_____________________he_____________________abadguy?No,he_____________________abadguy.c.用于陈述句,表示事情发生的“理论上的可能性”,意为“会”事故总会发生。d._____________________表示能力,意为“能够”He_____________________speakEnglishwhenhewasyoung.could作为can的过去时/委婉语,请打勾过去时委婉语表请求或允许_____________________表推测_____________________表可能性_____________________表能力_____________________2.can/could与beableto的差别:a.表示能力时,can表示现在、could表示过去;beableto可以用于任何时态,也可以前加情态动词或助动词,如:willbeableto,havebeenableto,shouldbeabletob.用于过去时中,could表示“有能力做”而“并不一定做成”;若是“实际得以做成某事”,只能用was/wereableto=managetodosth.司机得以逃生,其他的乘客没有逃出来。Thedriver_____________________escape,butthepassengersfailedtodoso.Ms.Wangcouldsingwellwhenshewasyoung.Iwasabletopasstheexamination.我通过了考试.(不仅有能力,而且实际上做到了.相当于Isucceededinpassingtheexamination.)Icouldpasstheexamination.我当时有能力通过考试.(有能力,但实际上不一定做得到)can/could与beableto差别总结can/couldbeableto表请求或允许√_____________________表推测√_____________________表可能性√_____________________表能力√_____________________时态__________________________________________用于过去时中含义__________________________________________3.can/could的惯用语:a.cannothelpdoingsth.情不自禁做某事我情不自禁地笑了。Icannothelp_____________________.b.cannothelp/choosebutdosth.不得不,只能做某事我不得不告诉她真相。Icannothelp/choosebut_____________________.c.cannot…too+adj./adv.无论怎样都不为过,越……越好你越小心越好。Youcannot_____________________too_____________________.d.cannot…without没有……就不能Onecannotsucceedwithoutperseverance.没有_____________________就不能_____________________。e.couldnot+比较级=最高级--Goforapicnicthisweekend,OK?--Icouldn’tagreemore._____________________★真题试炼★1.(2023·吉林长春·统考中考真题)This_______beAlice’sguitar.Hersisstillinmyhouse.A.shouldB.can’tC.mustD.needn’t2.(2023·辽宁丹东·统考中考真题)—Canyouswiminthisriver?—________.It’stoodangerous.A.Yes,IcanB.No,Ican’tC.Yes,youmayD.No,youneedn’t3.(2023·辽宁·统考中考真题)—IsthisredjacketTony’s?—No,it________behis.Hedoesn’tlikered.A.can’tB.mustn’tC.needn’tD.wouldn’t4.(2023·辽宁抚顺·统考中考真题)Thelovelyboy________ridethebikeattheageofsix.A.mustB.couldC.needD.should5.(2022·辽宁...