新外研版高中英语必修四-Module-6-Grammar教学课件

Module6UnexplainedMysteriesoftheNaturalWorldFunction&Grammar必修四Module6必修四GrammarGrammar1.Readthesentencesandfilltheblank.Thedinosaurs

mayhave

stoppedevolving,andbeenunabletoadapttochangesintheclimate.They

mighthavekilled

eachother.

1.ReadthesentencesandfillWeusemayhavedoneormighthavedonetotalkabout_____________.1.Somethingwhichhappenedinthepast---perhaps.2.Somethingwhichisimpossible.3.Somethingwhichmayhappeninthefuture.Weusemayhavedoneormight2.Summary“may+have+done”表示对发生过的事情的推测，意思是“可能已经”或“也许已经”，用于肯定句中。—WhathashappenedtoGeorge?—Idon’tknow.Hemayhavegotlost.

—乔治发生了什么事？—我不知道，他可能迷路了。2.Summary“may+have+done”表“might+have+done”表示对过去事情的推测，might与may意思相同，但可能性更小。多用于虚拟语气结构中。

Hemighthavegivenyoumorehelp,eventhoughhewasbusy.他或许会多给你一些帮助，即使他很忙。“might+have+done”表示对过去事情的推can(1).can可表示“条件许可”相当于itispossible。Youcanwalkontheice.你能在冰上行走。我们不能在这儿游泳,因为有鲨鱼。Wecan’tswimhereonaccountofthesharks.can(1).can可表示“条件许可”相当于itis(2).can也可表示偶然的可能性:多佛尔海峡风浪可能很大。孩子们有时很烦人。TheStraitsofDovercanbeveryrough.Childrensometimescanbetiresome.(2).can也可表示偶然的可能性:多佛尔海峡风浪可能很大Shall:(1)用于第一和第三人称疑问句,表示征求对方的意见,请求许可。Shallhecomein?

要他进来吗?Shallwegonow?

我们现在就走吗?(2)用于第二和第三陈述句中,表示决心,强制,命令,警告,允诺等。Thesharesshallbedividedintofivepartsaccordingtothelaw.根据法律这些股份将被分成五份。Shall:(1)用于第一和第三人称疑问句,表示征求对方will:(1)表示客观规律TomorrowwillbeSunday.(2)表示愿意：Ifyouwillwait,I’llcallforyou.明天将是星期日。如果你愿意等,我就给你叫他。(3)表示临时决定---Youhaveforgottentoturnoffthelight.---Really?Iwillgoandturnitoff.－你忘记关灯了。－真的吗？我这就去关上。will:(1)表示客观规律(2)表示愿意：明天将是星期其它情态动词小结:1.musthavedone:对过去或已完成的动作作出肯定的推测2.can/couldnothavedone对过去或已完成的动作作出否定的推测3.needn’thavedone本不需要做而实际上做了4.didn’t/needn’ttodo本不需要做而实际上也没做5.shouldhavedone本应该做而实际上没做(责备)其它情态动词小结:Themeteorite___________________(cause)ahugedustcloud.Thedustcloud___________________(cutoff)thesunlight.Smallanimals_________________(survive)byeatingnutsandseeds.Thedinosaurs______________________(kill)pletethesentencesusingmayhave/mighthaveandthecorrectformoftheverbsinbrackets.Themeteorite________________4.Makeupsomedialogues,usingmay/mighthavedone.Example:A:Hey,youlookworried.Whatiswrong?B:Ican’tfindmywallet.A:Iguessyoumayhaveleftitinyourhouse.B:Idon’tthinkso.A:oryoumayhaveputitinyourschoolbag.A:…4.Makeupsomedialogues,usiExerciseWhenwegottothecinema,thefilmhasn’tstartedyet,sowe____.A.needn’thurryB.didn’tneedhurryC.needn’ttohurryD.needn’thavehurriedExerciseWhenwegottotheci2.Itwasreallyverydangerous;you____himseriously.mighthaveinjuredB.couldinjureC.shouldhaveinjuredD.mustinjure3.Ashehadheartattack,hewastoldthathe____continuethework.

A.needn’tB.maynotC.mustn’tD.can’t2.Itwasreallyverydangerou4.AnEnglishmanwho____notspeakItalianwasoncetravelinginItaly.

A.mustB.couldC.mayD.mightB.could5.Ican’tfindtherecorderintheroom.It____bysomebody.

A.mayhavebeentakenawayB.mayleaveC.maytakeawayD.musthavetakenaway4.AnEnglishmanwho____not6.--“________youmindmyopeningthewindow?” --“Notatall.”A.ShallB.ShouldC.WillD.WouldD.Would7.He____the9:20trainbecausehedidn’tleavehometill9:25.

A.canreachB.couldcatchC.maynotcatchD.couldn’thavecaught6.--“________youmindmyop8.Ididn’thearthephone.I_____asleep.A.mustbeB.musthavebeen C.shouldhaveD.couldhavebeeB.musthavebeen9.You_________dotheexerciseifyoudon’twantto.maynotB.can’tC.mustn’tD.needn’t10.You_________paymoreattentiontoyourspellingnexttime.A.wouldB.shouldC.willD.shallD.needn’tD.shall8.Ididn’thearthephone.I11.Theteachertoldthestudentsthatthey________keepsilentinclassallthetime.A.oughttonotB.oughtnottoC.oughtnottohaveD.can’t12.“MayIgonow?”“No,you________.”A.mustn’tB.needn’t C.mightn’tD.won’tB.oughtnottoA.mustn’t13.Acomputer____thinkforitself;it___betoldwhattodo.A.maynot,mustB.mustn’t,mightC.shouldn’t,couldD.can’t,mustbeenA.maynot,must11.Theteachertoldthestude14.You____meaboutitearlier,butyoudidn’t.A.shouldhavetoldB.wouldhavetoldC.musthavetoldD.shouldtellA.shouldhavetold15.Don’ttouchthesleepingtiger.Ifhewokeup,he_____you.A.wouldcometoB.wouldcomeatC.wouldhavecometowardD.willcometoB.wouldcomeat14.You____meaboutitearliHomeworkRevisewhatyouhavelearntduringthisperiodofclass.Getreadyforthenextperiod.HomeworkRevisewhatyouhavelGoodbye!Goodbye!

Module6UnexplainedMysteriesoftheNaturalWorldFunction&Grammar必修四Module6必修四GrammarGrammar1.Readthesentencesandfilltheblank.Thedinosaurs

mayhave

stoppedevolving,andbeenunabletoadapttochangesintheclimate.They

mighthavekilled

eachother.

1.ReadthesentencesandfillWeusemayhavedoneormighthavedonetotalkabout_____________.1.Somethingwhichhappenedinthepast---perhaps.2.Somethingwhichisimpossible.3.Somethingwhichmayhappeninthefuture.Weusemayhavedoneormight2.Summary“may+have+done”表示对发生过的事情的推测，意思是“可能已经”或“也许已经”，用于肯定句中。—WhathashappenedtoGeorge?—Idon’tknow.Hemayhavegotlost.

—乔治发生了什么事？—我不知道，他可能迷路了。2.Summary“may+have+done”表“might+have+done”表示对过去事情的推测，might与may意思相同，但可能性更小。多用于虚拟语气结构中。

Hemighthavegivenyoumorehelp,eventhoughhewasbusy.他或许会多给你一些帮助，即使他很忙。“might+have+done”表示对过去事情的推can(1).can可表示“条件许可”相当于itispossible。Youcanwalkontheice.你能在冰上行走。我们不能在这儿游泳,因为有鲨鱼。Wecan’tswimhereonaccountofthesharks.can(1).can可表示“条件许可”相当于itis(2).can也可表示偶然的可能性:多佛尔海峡风浪可能很大。孩子们有时很烦人。TheStraitsofDovercanbeveryrough.Childrensometimescanbetiresome.(2).can也可表示偶然的可能性:多佛尔海峡风浪可能很大Shall:(1)用于第一和第三人称疑问句,表示征求对方的意见,请求许可。Shallhecomein?

要他进来吗?Shallwegonow?

我们现在就走吗?(2)用于第二和第三陈述句中,表示决心,强制,命令,警告,允诺等。Thesharesshallbedividedintofivepartsaccordingtothelaw.根据法律这些股份将被分成五份。Shall:(1)用于第一和第三人称疑问句,表示征求对方will:(1)表示客观规律TomorrowwillbeSunday.(2)表示愿意：Ifyouwillwait,I’llcallforyou.明天将是星期日。如果你愿意等,我就给你叫他。(3)表示临时决定---Youhaveforgottentoturnoffthelight.---Really?Iwillgoandturnitoff.－你忘记关灯了。－真的吗？我这就去关上。will:(1)表示客观规律(2)表示愿意：明天将是星期其它情态动词小结:1.musthavedone:对过去或已完成的动作作出肯定的推测2.can/couldnothavedone对过去或已完成的动作作出否定的推测3.needn’thavedone本不需要做而实际上做了4.didn’t/needn’ttodo本不需要做而实际上也没做5.shouldhavedone本应该做而实际上没做(责备)其它情态动词小结:Themeteorite___________________(cause)ahugedustcloud.Thedustcloud___________________(cutoff)thesunlight.Smallanimals_________________(survive)byeatingnutsandseeds.Thedinosaurs______________________(kill)pletethesentencesusingmayhave/mighthaveandthecorrectformoftheverbsinbrackets.Themeteorite________________4.Makeupsomedialogues,usingmay/mighthavedone.Example:A:Hey,youlookworried.Whatiswrong?B:Ican’tfindmywallet.A:Iguessyoumayhaveleftitinyourhouse.B:Idon’tthinkso.A:oryoumayhaveputitinyourschoolbag.A:…4.Makeupsomedialogues,usiExerciseWhenwegottothecinema,thefilmhasn’tstartedyet,sowe____.A.needn’thurryB.didn’tneedhurryC.needn’ttohurryD.needn’thavehurriedExerciseWhenwegottotheci2.Itwasreallyverydangerous;you____himseriously.mighthaveinjuredB.couldinjureC.shouldhaveinjuredD.mustinjure3.Ashehadheartattack,hewastoldthathe____continuethework.

A.needn’tB.maynotC.mustn’tD.can’t2.Itwasreallyverydangerou4.AnEnglishmanwho____notspeakItalianwasoncetravelinginItaly.

A.mustB.couldC.mayD.mightB.could5.Ican’tfindtherecorderintheroom.It____bysomebody.

A.mayhavebeentakenawayB.mayleaveC.maytakeawayD.musthavetakenaway4.AnEnglishmanwho____not6.--“________youmindmyopeningthewindow?” --“Notatall.”A.ShallB.ShouldC.WillD.WouldD.Would7.He____the9:20trainbecausehedidn’tleavehometill9:25.

A.canreachB.couldcatchC.maynotcatchD.couldn’thavecaught6.--“________youmindmyop8.Ididn’thearthephone.I_____asleep.A.mustbeB.musthavebeen C.shouldhaveD.couldhavebeeB.musthavebeen9.You_________dotheexerciseifyoudon’twantto.maynotB.can’tC.mustn’tD.needn’t10.You_________paymoreattentiontoyourspellingnexttime.A.wouldB.shouldC.willD.shallD.needn’tD.shall8.Idi