Welcometoourclass常用的情态动词can（could）may（might）shall（should）will（would）must（must）dare（dared）need（need）havetooughttobeabletousedtohadbetter情态动词考点:1.表示能力、许可的情态动词的用法。2.表示否定的情态动词的用法。3.shall和will的多种意义的区别。4.情态动词短语的使用。5.情态动词表示推测的使用。6.虚拟语气中情态动词的使用。7.部分情态动词的问与答。8.情态动词其他用法要点。表示能力:can,could,beableto*beableto能用于各种时态can/could只能表示现在或过去的能力*was/wereableto:“设法做成某事”相当于managedtodosth.succeededindoingsth.1.表示能力、许可的情态动词的用法。1.Acomputer______thinkforitself;itmustbetoldwhattodo.A.can’tB.couldn’tC.maynotD.mightnot2.Thefirespreadthroughthehotelveryquicklybuteveryone______getout.A.hadtoB.wouldC.couldD.wasabletoAD3.Theywill______runthismachineontheirowninthreemonths.A.canB.couldC.mayD.beableto4.Thatbigcinema______seat2,000people.A.canB.shouldC.oughttoD.isabletoDA表示许可:may/might,can/could*might,could比较委婉,一般多用于疑问句.*can,may表达的语言比较随便.*在以could,might表示征询对方意见或表示请求时，回答应相应使用can,may.5.—CouldIborrowyourdictionary?—Yes,ofcourseyou_______.A.mightB.willC.canD.should6.—MightIwatchTVaftersupper?—Yes,you________.A.mayB.mustC.mightD.canCA2.表示否定的情态动词的用法:部分情态动词的否定式是情态动词中的考点之一mustn’tneedn’tcan’tmaynotshouldn’t不准,禁止没必要(=don’thaveto)不能;不可能不可以;可能不不应该(=oughtnotto)7.You______returnthebooknow.Youcankeepittillnextweekifyoulike.A.can’tB.mustn’tC.needn’tD.maynot8.Johnny,you______playwiththeknife,you______hurtyourself.A.won’t;can’tB.mustn’t;mayC.shouldn’t;mustD.can’t;shouldn’tCB情态动词：shall,will的多种意义:shall/will+动词原形:*shall可表示必须、命令、警告或征询意见.*will可表示意愿、常出现的动作,在疑问句中表示请求和建议.*均可表示将来。过去时为should,would.3.shall用在主语是第一和第三人称的疑问句中表示征求对方的允诺；用于二、三人称表示命令、警告、允诺或威胁，也用于宣布法律、规定时。ShallIopenthewindow?Shallhecomeinorwaitoutside?“Theinterestshallbedividedintofiveparts,accordingtotheagreementmadebybothsides,”declaredthejudge.will用在主语是第二人称的疑问句中,表示“请求”Wouldyoupassthesalt,please?Willyoupleasepassthesalt?will用于主语是各人称的陈述句中,表示“意愿、倾向”---Thephoneisringing.---I’llgetit.11.He______bepunishedifhedisobeys.如果他不服从,就要受到惩罚.12.Wearenotgoingtoquarrelatallifyou____onlyletmespeak.只要你让我说话,我们根本就不会吵架.13.--Sir,____hegoorstay?--Lethimgo.A.willB.shallC.mightD.couldshallwillB14.Thedoor_______open.这门经常打不开.15.Ronald______stayinhissmallgardenforalongtimeeverydayinthepast.A.couldB.mightC.shouldD.would16.You_____havethebookafterIreadit.我看完以后一定把这本书给你.won’tDshall4.情态动词短语的使用:wouldliketodo…wouldratherdo…wouldrather+sb.+didsth.wouldprefertodo...hadbetterdo...宁愿…改错:1.Wouldyoulikehavingsometea?2.I’dprefergoingtothelecturethisevening.3.I’dratheryoutogotothemeeting.4.Hewouldrathertodiethantogivein.5.You’dbettertohaveyourhaircuttoday.Wouldyouliketohavesometea?I’dprefertogoto...…youwentto...Hewouldratherdiethangivein.You’dbetterhave...5.表示推测——情态动词的重要用法.1.YoumustbeMrSmith----Iwastoldtoexpectyouhere.2.Hemusthaveknownwhatwewanted.3.Wemayhavereadthesamereport.4.Hecan’thavesleptthroughallthatnoise.5.There’ssomeoneoutside----whocanitbe?6.Whatcantheybedoing?7.Thes...
