情態(tài)動詞用法總結(jié)課件

情態(tài)動詞用法1a情態(tài)動詞用法1a情態(tài)動詞的語法特征2)情態(tài)動詞不能單獨做謂語,后面只能接動詞原形，oughtto和haveto除外，。

3)情態(tài)動詞沒有人稱,數(shù)的變化,但有些情態(tài)動詞,如can、will、haveto、may等有過去式。1）情態(tài)動詞表說話人的某種感情或語氣，對某一動作或狀態(tài)的某種態(tài)度。2a情態(tài)動詞的語法特征2)情態(tài)動詞不能單獨做謂語,后面只能接1)Someofuscanusethecomputernow,butwecouldn’tlastyear.2)Canshebeinthecomputercenter?3)Ithoughwhathesaidcouldnotbetrue.4)Can/CouldIuseyourdictionary?5)Couldyoulendmeahand?1.表能力,意為“能，能夠”，can指現(xiàn)在，could指過去。3.表示“請求”“允許”(表請求時，口語中常用

could代替can使語氣更委婉，回答時用can)2.表示推測，意為“可能”“或許”，用于疑問句或否定句，can’t和couldn’t意為“不可能”。1.can與could3a1)Someofuscanusethecomp4.can用于疑問句或否定句中時，表驚異、不相信等，意思是“可能、能夠”。6)Howcanyoubelievesuchaliarlikehim?5.can’t/couldn’thavedone表示對過去情況的否定推測,意為“過去不可能做過某事”7)Susancan’thavewrittenareportlikethis.8)Shecan’thavegonetoschool,itisSunday.6.can/couldhavedone表對過去的推測，意為“過去可能做了某事”。couldhavedone還可以表示對過去能做而未做的事情感到惋惜，意為“本能夠做某事可事實上未做”9）It’sapity.Yourclasscouldhavegotthefirstprize.10）WherecanMaryhavegone?4a4.can用于疑問句或否定句中時，表驚異、6)Howcan表示“能夠”時與短語beableto同義，但can只用于一般現(xiàn)在時或過去時，而后者可用于各種時態(tài)。另外，can表示個人有某種能力，而beableto表示某人通過努力、克服困難做成某事，相當(dāng)于succeedindoingsth.；can/beableto

5acan表示“能夠”時與短語beableto同義，但canMichael____beapoliceman,forhe’smuchtooshort.A.needn’tB.can’tC.shouldD.may2.Mr.Bushisontimeforeverything.How____itbethathewaslatefortheopeningceremony?A.canB.shouldC.mayD.must3.----IstayedatahotelwhileinNewYork.----Oh,didyou?You____withBarbara.A.couldhavestayedB.couldstayC.wouldstayD.musthavestayedMysistermethimattheGrandTheateryesterdayafternoon,sohe____yourlecture.A.couldn’thaveattendedB.needn’thaveattendedC.mustn’thaveattendedD.shouldn’thaveattendedBAAA6aMichael____beapoliceman,f5.There’ssomeoneoutside.Who____itbe?A.canB.needC.mayD.must6.----IsJackondutytoday?----It____behim.It’shisturntomorrow.A.mustn’tB.won’tC.can’tD.needn’t7.Itisusuallywarminmyhometown,butit____berathercoldsometimes.A.canB.needC.dareD.must8.Thefirespreadthroughthehotelveryquickly,buteveryone_______getaway.A.wereabletoB.wouldC.wasabletoD.couldACAC7a5.There’ssomeoneoutside.Wh2.may與might1.表示“許可”或“請求”，有“可以”的意思，口語中常用might代may,表示委婉語氣。

否定回答時用“mustnot”表“禁止，阻止”，不用“maynot”.“maynot”表示“可能不”。Eg:1)---MayIwatchTVaftersupper?---Yes,youmay./No,youmustn’t.2)TodayisSunday.Shemaynotinherofficenow.2.表示可能性。意為“或許，可能”might比may

可能性小。Eg:1)Thegirlmightbesleepingthistimeofday.2)Theymaybeinthelibrarynow.8a2.may與might1.表示“許可”或“請求”，有“4.may/mightaswell+動詞原形“…還是…的好”“不妨干某事”Eg:Youmayaswellgoandhavealook.3.may/mighthavedone表示對過去發(fā)生過的事情的推測，意為“可能已經(jīng)做過某事”Eg:

Ican’tfindmysunglasses.Imay/mighthavelefttheminyouroffice.9a4.may/mightaswell+動詞原形1.SorryI'mlate.I_____haveturnedoffthealarmclockandgonebacktosleepagain.A.mightB.should

C.canD.will2.Peter_____comewithustonight,butheisn’tverysureyet.

A.mustB.mayC.canD.willAB10a1.SorryI'mlate.I_____have3.will與would1.用于第二人稱的疑問句中，表“請求、建議”等，用would比用will委婉，客氣些Eg:1)Willyoulendmeyourbook?2)Wouldyoulikeacupoftea?2.用于表示意志或意愿，意為“會，愿意”。will指現(xiàn)在，而would指過去。用于否定句中，表示“不會、不肯、不樂意”。Eg:1)Iwon’tdothatagain.2)Theysaidthattheywouldhelpus.3)NomatterwhatIsaid,hewon’tlistentome.11a3.will與would1.用于第二人稱的疑問句中，3.表示習(xí)慣性動作。譯作“總是、慣于”，will指現(xiàn)在常常，would指過去常常。Eg:1)Thismanisstrange.Hewillsitforhourswithoutsayinganything.2)Marywillkeepaskingsomesillyquestions.3)Everyevening,shewouldsitbywindow,deepinthought.4)WewouldsitaroundGrandpaaftersupper,listeningtohisstories.12a3.表示習(xí)慣性動作。譯作“總是、慣于”，will指現(xiàn)Ifyou____waithereforanother5minutes,ourmanagerwillcomeback.A.shouldB.willC.needD.must2.Whenhewasthere,he______gotothatcoffeeshopatthecornerafterworkeveryday.A.wouldB.shouldC.hadbetterD.might

BA13aIfyou____waithereforanot4.should與oughtto1.oughtto比should語氣更重。兩者都用于表勸告、建議。意為”應(yīng)該、應(yīng)當(dāng)”。但在疑問句中常用should。oughtto的否定式為oughtn’tto或oughtnotto。Eg:Ishouldhelpherbecausesheisintrouble.Yououghttotakecareofthebaby.

ShouldIopenthewindow?Whatshouldwedonext?2.兩者都可表示推測，表示很大的可能性。意為“可能、按理該…”Eg:1)It’s7o’clock,heshouldbeathome.2)Theyshouldhavearrivedbynow.14a4.should與oughtto1.oughtto比3.oughtto/shouldhavedone本應(yīng)該干某事可事實未干

oughtn’tto/shouldn’thavedone本不該干某事可事實卻干了Eg:Youshouldhaveinvitedmetothepartyyesterday.Youareright.IShouldhavethoughtofthat.Youshouldn’thaveeatenallthecakesinoneday.

4.Should可以用來表示說話人的驚奇等情感，意為“竟然，居然”Eg:1)It’ssurprisingthatMaryshouldlovesuchaperson.2)It’sunbelievablethattheboyshouldsingsuchabeautifulsong.15a3.oughtto/shouldhavedone本1.Youcan’timaginethatawell-behavedgentleman_____besorudetoalady.

A.canB.shouldC.mayD.must2.----WhencanIcomeforthephotos?Ineedthemtomorrowafternoon.----They_____bereadyby12:00A.canB.should C.might D.need3.We______lastnight,butwewenttotheconcertinstead.A.musthavestudiedB.mightstudyC.oughttohavestudiedD.wouldstudyBBc16a1.Youcan’timaginethatawel5.shall1.Shall用于第一、三人稱的疑問句中，表示說話人征求對方的意見或請求。

Eg:1)Shallwebeginourdiscussion?2)ShallIchangetheclothesforthechild?3)ShallTomgotherewithmetomorrow?4)Henryiswaitingoutside.Shallhecomein?17a5.shall1.Shall用于第一、三人稱的疑問句中，2.Shall用于二、三人稱的陳述句，表示說話人的允諾、警告、命令、威脅等語氣。Eg:1)Youshallgetananswerfrommetomorrow.2)Heshallbepunished.3)Youshallgowithme.4)TellJerrythatheshallgetagiftifhebehaveswell.18a2.Shall用于二、三人稱的陳述句，表示說話人Eg:1ChairmanZhang,manypeoplewanttoseeyou.___theywaithereoroutside?A.shallB.canC.shouldD.may2.You___usemybikeifyoucanreturnittomebeforeI

leavehere.A.shouldB.shallC.needD.must3.You___bepunishedifyoubreaktherule.A.shallB.shouldC.needD.mustABA19aChairmanZhang,manypeoplewamust/have

to/need1.must用于一般問句中,肯定回答用must,否定回答用

needn’t或don’thaveto，意為

“不必”。mustn’t表示“禁止，不允許”

—Must

I

finish

all

homework

at

a

time?

—Yes,youmust.No,

you

needn't/don’thaveto.20amust/have

to/need1.must用于一般問句中Idon’tlikethisTVset.Wemustbuyanewone.Motherwasout,soIhadtolookaftertheshop.2.表示“必須”這個意思時，must

和have

to

稍有區(qū)別。must著重說明主觀看法，have

to

強調(diào)客觀需要。另外，have

to

能用于更多時態(tài)。

21aIdon’tlikethisTVset.Wem

You

must

be

the

new

teacher.

He

must

be

joking.There

is

nobody

here.

They

must

have

allgone

home.3.must表示對某人某事的肯定猜測,作“準(zhǔn)是”,“一定”,用于肯定句中。對過去發(fā)生的事情作肯定判斷用musthavedone，意為過去一定已經(jīng)做過某事。22a

You

must

be

the

new

teacher.Whymustyoualwaysinterruptme?Ifyoumustsmoke,doitoutside,pleaseWhymustitrainonSunday?4.must表示與說話人愿望相反，翻譯成“偏要，硬要，非要”23aWhymustyoualwaysinterrupt5.注意對need問句的回答:--NeedIfinishtheworktoday?--Yes,________________.No,________________.No,________________.youmustyouneedn’tyoudon’thaveto--Mustwedoitnow?--No,you__________.needn’t(don’thaveto)24a5.注意對need問句的回答:youmustyounee【考例】Thebosshasgiveneveryoneaspecialholiday,sowe____gotoworktomorrow.(上海2007春)A.can’t B.mustn’tC.needn’t D.shouldn’t【點撥】考查情態(tài)動詞。根據(jù)題意,可知這里表示“沒有必要”,故只能選C項。25a【考例】Thebosshasgiveneveryon【考例】─Whatdoyouthinkwecandoforouragedparents?─You____doanythingexcepttobewiththemandbeyourself.A.don’thavetoB.oughtn’ttoC.mustn’t D.can’t【點撥】根據(jù)題意“除了和他們呆在一起做你自己外,沒有必要做任何事情?！笨芍@里選擇don’thaveto表示“不必”。故選A項。26a【考例】─Whatdoyouthinkwecan【考例】

---JanehasjustcomebackfromChinaandshelookshappy.---She_________hertripverymuch.mustenjoyB.musthaveenjoyedC.mayenjoyDshouldhaveenjoyed27a【考例】---Janehasjustcomebac【考例】

You____returnthebooknow,youcankeepituntilnextweekifyoulike.can’tB.mustn’tC.needn’tD.maynot28a【考例】You____returnthebook【考例】WhereisDad,Mary?He____theflowersinthegarden.mustwaterB.mustbewateringC.MusthavewateredD.watered29a【考例】WhereisDad,Mary?29a【考例】---What’sthematterwiththemanhanginghisheadthere?---Well.Ifyou___know,hewascaughtstealingmybike.mustB.mayC.canD.shall30a【考例】---What’sthematterwith情態(tài)動詞表推測用法小結(jié)情態(tài)動詞對現(xiàn)在或?qū)砬闆r的推測對現(xiàn)在或?qū)碚谶M(jìn)行的推測對過去情況的推測肯定推測

mustmust+vmust+bedoingmust+havedone可能推測may/mightmay/might+vmay/might+bedoingmay/might+havedone否定推測can’t/couldn’tcan’t/couldn't+vcan’t/couldn't+bedoingcan’t/couldn’t+havedone疑問推測can/couldcan/could+vcan/could+bedoingcan/could+havedone31a情態(tài)動詞表推測用法小結(jié)對現(xiàn)在或?qū)砬闆r的推測對現(xiàn)在或?qū)碚?/p>

情態(tài)動詞+havedone這是歷年高考熱點之一，可表示“推測、責(zé)備、懷疑”等多種意義。32a情態(tài)動詞+havedone32a一、表示對過去事情的推測或估計1.musthavedone“過去肯定已經(jīng)做了某事”

eg:Thegroundisratherwet,soitmusthaverainedlastnight.2.may/mighthavedone“可能/大概已經(jīng)做了某事”

eg:Tommayhavegonetoshanghai,butIstillnotsureaboutit.3.can’t/couldn’thavedone“不可能已經(jīng)做了某事”

eg:Thegroundisverydry,soitcan’thaverainedlastnight注：在疑問句中can/could表示對過去情況的疑問性推測，“可能已經(jīng)…了嗎？”

eg:Someonemusthavebrokenintoourbedroom,Whocouldhavedoneit?33a一、表示對過去事情的推測或估計1.musthavedo二、表示對過去所發(fā)生事情的遺憾或責(zé)備1.should/oughttohavedone“過去本應(yīng)該做而沒做”

eg:IreallyregrettedwastingthehourswhenIshouldhavestudiedhard,butitwastoolate.2.shouldn’t/oughtn’ttohavedone“過去本不應(yīng)該做的事卻做了”

eg:I’mverysorryforthewordsIshouldn’thavesaidtoyouatthatmoment.3.could/mighthavedone“本來能夠做的事卻沒做”

eg:Hecouldhaveworkedouttheproblem.34a二、表示對過去所發(fā)生事情的遺憾或責(zé)備1.should/ou4.needn’thavedone“原本不必做的事卻做了”

eg:Yourhomeisnotfarfromyourschool,soyouneedn’thaveleftinsuchahurry.5.Wouldliketohavedone“本打算做某事但沒做成”

eg:Iwouldliketohavecometovisityou,butIhadtolookaftermysickmotherathome.35a4.needn’thavedone“原本不必做的事卻情態(tài)動詞用法36a情態(tài)動詞用法1a情態(tài)動詞的語法特征2)情態(tài)動詞不能單獨做謂語,后面只能接動詞原形，oughtto和haveto除外，。

3)情態(tài)動詞沒有人稱,數(shù)的變化,但有些情態(tài)動詞,如can、will、haveto、may等有過去式。1）情態(tài)動詞表說話人的某種感情或語氣，對某一動作或狀態(tài)的某種態(tài)度。37a情態(tài)動詞的語法特征2)情態(tài)動詞不能單獨做謂語,后面只能接1)Someofuscanusethecomputernow,butwecouldn’tlastyear.2)Canshebeinthecomputercenter?3)Ithoughwhathesaidcouldnotbetrue.4)Can/CouldIuseyourdictionary?5)Couldyoulendmeahand?1.表能力,意為“能，能夠”，can指現(xiàn)在，could指過去。3.表示“請求”“允許”(表請求時，口語中常用

could代替can使語氣更委婉，回答時用can)2.表示推測，意為“可能”“或許”，用于疑問句或否定句，can’t和couldn’t意為“不可能”。1.can與could38a1)Someofuscanusethecomp4.can用于疑問句或否定句中時，表驚異、不相信等，意思是“可能、能夠”。6)Howcanyoubelievesuchaliarlikehim?5.can’t/couldn’thavedone表示對過去情況的否定推測,意為“過去不可能做過某事”7)Susancan’thavewrittenareportlikethis.8)Shecan’thavegonetoschool,itisSunday.6.can/couldhavedone表對過去的推測，意為“過去可能做了某事”。couldhavedone還可以表示對過去能做而未做的事情感到惋惜，意為“本能夠做某事可事實上未做”9）It’sapity.Yourclasscouldhavegotthefirstprize.10）WherecanMaryhavegone?39a4.can用于疑問句或否定句中時，表驚異、6)Howcan表示“能夠”時與短語beableto同義，但can只用于一般現(xiàn)在時或過去時，而后者可用于各種時態(tài)。另外，can表示個人有某種能力，而beableto表示某人通過努力、克服困難做成某事，相當(dāng)于succeedindoingsth.；can/beableto

40acan表示“能夠”時與短語beableto同義，但canMichael____beapoliceman,forhe’smuchtooshort.A.needn’tB.can’tC.shouldD.may2.Mr.Bushisontimeforeverything.How____itbethathewaslatefortheopeningceremony?A.canB.shouldC.mayD.must3.----IstayedatahotelwhileinNewYork.----Oh,didyou?You____withBarbara.A.couldhavestayedB.couldstayC.wouldstayD.musthavestayedMysistermethimattheGrandTheateryesterdayafternoon,sohe____yourlecture.A.couldn’thaveattendedB.needn’thaveattendedC.mustn’thaveattendedD.shouldn’thaveattendedBAAA41aMichael____beapoliceman,f5.There’ssomeoneoutside.Who____itbe?A.canB.needC.mayD.must6.----IsJackondutytoday?----It____behim.It’shisturntomorrow.A.mustn’tB.won’tC.can’tD.needn’t7.Itisusuallywarminmyhometown,butit____berathercoldsometimes.A.canB.needC.dareD.must8.Thefirespreadthroughthehotelveryquickly,buteveryone_______getaway.A.wereabletoB.wouldC.wasabletoD.couldACAC42a5.There’ssomeoneoutside.Wh2.may與might1.表示“許可”或“請求”，有“可以”的意思，口語中常用might代may,表示委婉語氣。

否定回答時用“mustnot”表“禁止，阻止”，不用“maynot”.“maynot”表示“可能不”。Eg:1)---MayIwatchTVaftersupper?---Yes,youmay./No,youmustn’t.2)TodayisSunday.Shemaynotinherofficenow.2.表示可能性。意為“或許，可能”might比may

可能性小。Eg:1)Thegirlmightbesleepingthistimeofday.2)Theymaybeinthelibrarynow.43a2.may與might1.表示“許可”或“請求”，有“4.may/mightaswell+動詞原形“…還是…的好”“不妨干某事”Eg:Youmayaswellgoandhavealook.3.may/mighthavedone表示對過去發(fā)生過的事情的推測，意為“可能已經(jīng)做過某事”Eg:

Ican’tfindmysunglasses.Imay/mighthavelefttheminyouroffice.44a4.may/mightaswell+動詞原形1.SorryI'mlate.I_____haveturnedoffthealarmclockandgonebacktosleepagain.A.mightB.should

C.canD.will2.Peter_____comewithustonight,butheisn’tverysureyet.

A.mustB.mayC.canD.willAB45a1.SorryI'mlate.I_____have3.will與would1.用于第二人稱的疑問句中，表“請求、建議”等，用would比用will委婉，客氣些Eg:1)Willyoulendmeyourbook?2)Wouldyoulikeacupoftea?2.用于表示意志或意愿，意為“會，愿意”。will指現(xiàn)在，而would指過去。用于否定句中，表示“不會、不肯、不樂意”。Eg:1)Iwon’tdothatagain.2)Theysaidthattheywouldhelpus.3)NomatterwhatIsaid,hewon’tlistentome.46a3.will與would1.用于第二人稱的疑問句中，3.表示習(xí)慣性動作。譯作“總是、慣于”，will指現(xiàn)在常常，would指過去常常。Eg:1)Thismanisstrange.Hewillsitforhourswithoutsayinganything.2)Marywillkeepaskingsomesillyquestions.3)Everyevening,shewouldsitbywindow,deepinthought.4)WewouldsitaroundGrandpaaftersupper,listeningtohisstories.47a3.表示習(xí)慣性動作。譯作“總是、慣于”，will指現(xiàn)Ifyou____waithereforanother5minutes,ourmanagerwillcomeback.A.shouldB.willC.needD.must2.Whenhewasthere,he______gotothatcoffeeshopatthecornerafterworkeveryday.A.wouldB.shouldC.hadbetterD.might

BA48aIfyou____waithereforanot4.should與oughtto1.oughtto比should語氣更重。兩者都用于表勸告、建議。意為”應(yīng)該、應(yīng)當(dāng)”。但在疑問句中常用should。oughtto的否定式為oughtn’tto或oughtnotto。Eg:Ishouldhelpherbecausesheisintrouble.Yououghttotakecareofthebaby.

ShouldIopenthewindow?Whatshouldwedonext?2.兩者都可表示推測，表示很大的可能性。意為“可能、按理該…”Eg:1)It’s7o’clock,heshouldbeathome.2)Theyshouldhavearrivedbynow.49a4.should與oughtto1.oughtto比3.oughtto/shouldhavedone本應(yīng)該干某事可事實未干

oughtn’tto/shouldn’thavedone本不該干某事可事實卻干了Eg:Youshouldhaveinvitedmetothepartyyesterday.Youareright.IShouldhavethoughtofthat.Youshouldn’thaveeatenallthecakesinoneday.

4.Should可以用來表示說話人的驚奇等情感，意為“竟然，居然”Eg:1)It’ssurprisingthatMaryshouldlovesuchaperson.2)It’sunbelievablethattheboyshouldsingsuchabeautifulsong.50a3.oughtto/shouldhavedone本1.Youcan’timaginethatawell-behavedgentleman_____besorudetoalady.

A.canB.shouldC.mayD.must2.----WhencanIcomeforthephotos?Ineedthemtomorrowafternoon.----They_____bereadyby12:00A.canB.should C.might D.need3.We______lastnight,butwewenttotheconcertinstead.A.musthavestudiedB.mightstudyC.oughttohavestudiedD.wouldstudyBBc51a1.Youcan’timaginethatawel5.shall1.Shall用于第一、三人稱的疑問句中，表示說話人征求對方的意見或請求。

Eg:1)Shallwebeginourdiscussion?2)ShallIchangetheclothesforthechild?3)ShallTomgotherewithmetomorrow?4)Henryiswaitingoutside.Shallhecomein?52a5.shall1.Shall用于第一、三人稱的疑問句中，2.Shall用于二、三人稱的陳述句，表示說話人的允諾、警告、命令、威脅等語氣。Eg:1)Youshallgetananswerfrommetomorrow.2)Heshallbepunished.3)Youshallgowithme.4)TellJerrythatheshallgetagiftifhebehaveswell.53a2.Shall用于二、三人稱的陳述句，表示說話人Eg:1ChairmanZhang,manypeoplewanttoseeyou.___theywaithereoroutside?A.shallB.canC.shouldD.may2.You___usemybikeifyoucanreturnittomebeforeI

leavehere.A.shouldB.shallC.needD.must3.You___bepunishedifyoubreaktherule.A.shallB.shouldC.needD.mustABA54aChairmanZhang,manypeoplewamust/have

to/need1.must用于一般問句中,肯定回答用must,否定回答用

needn’t或don’thaveto，意為

“不必”。mustn’t表示“禁止，不允許”

—Must

I

finish

all

homework

at

a

time?

—Yes,youmust.No,

you

needn't/don’thaveto.55amust/have

to/need1.must用于一般問句中Idon’tlikethisTVset.Wemustbuyanewone.Motherwasout,soIhadtolookaftertheshop.2.表示“必須”這個意思時，must

和have

to

稍有區(qū)別。must著重說明主觀看法，have

to

強調(diào)客觀需要。另外，have

to

能用于更多時態(tài)。

56aIdon’tlikethisTVset.Wem

You

must

be

the

new

teacher.

He

must

be

joking.There

is

nobody

here.

They

must

have

allgone

home.3.must表示對某人某事的肯定猜測,作“準(zhǔn)是”,“一定”,用于肯定句中。對過去發(fā)生的事情作肯定判斷用musthavedone，意為過去一定已經(jīng)做過某事。57a

You

must

be

the

new

teacher.Whymustyoualwaysinterruptme?Ifyoumustsmoke,doitoutside,pleaseWhymustitrainonSunday?4.must表示與說話人愿望相反，翻譯成“偏要，硬要，非要”58aWhymustyoualwaysinterrupt5.注意對need問句的回答:--NeedIfinishtheworktoday?--Yes,________________.No,________________.No,________________.youmustyouneedn’tyoudon’thaveto--Mustwedoitnow?--No,you__________.needn’t(don’thaveto)59a5.注意對need問句的回答:youmustyounee【考例】Thebosshasgiveneveryoneaspecialholiday,sowe____gotoworktomorrow.(上海2007春)A.can’t B.mustn’tC.needn’t D.shouldn’t【點撥】考查情態(tài)動詞。根據(jù)題意,可知這里表示“沒有必要”,故只能選C項。60a【考例】Thebosshasgiveneveryon【考例】─Whatdoyouthinkwecandoforouragedparents?─You____doanythingexcepttobewiththemandbeyourself.A.don’thavetoB.oughtn’ttoC.mustn’t D.can’t【點撥】根據(jù)題意“除了和他們呆在一起做你自己外,沒有必要做任何事情?！笨芍@里選擇don’thaveto表示“不必”。故選A項。61a【考例】─Whatdoyouthinkwecan【考例】

---JanehasjustcomebackfromChinaandshelookshappy.---She_________hertripverymuch.mustenjoyB.musthaveenjoyedC.mayenjoyDshouldhaveenjoyed62a【考例】---Janehasjustcomebac【考例】

You____return