Unit1Unit1Festivalsaroundtheworld情態(tài)動詞用法Modalverbssuchasmay,might,will,would,can,could,shall,should,andmustareusedformanypurposes.Findthesentencesinthereadingpassagethatusemodalverbs.1Mostancientfestivalswouldcelebratetheendofcoldweather,…2Sometimescelebrationswouldbeheldafterhuntershadcaughtanimals.3Atthattimepeoplewouldstarveiffoodwasdifficulttofind…4…ortosatisfytheancestor,whomight

returneithertohelportodoharm.5FortheJapanesefestivalObon,peopleshouldgotocleangraves…6…thiswillleadtheancestorbacktoearth.7Itisnowachildren’sfestival,whentheycandressupandgo…8…thechildrenmightplayatrickonthem.9Festivalscanalsobeheldtohonour

famouspeople.10HarvestandThanksgivingfestivals

canbeveryhappyevents.11InEuropeancountries,peoplewillusuallydecorate…andwillgettogether…12Somepeoplemightwinawardsfortheir…13AttheSpringFestivalinChina,people…maygivechildrenluckymoneyinredpaper.14Thesecarnivalsmightincludeparades,dancinginthestreets…【觀察】請仔細(xì)觀察下列各組句子中情態(tài)動詞的用法。1.

①WherecanBettybe?②AnnamayknowTom’saddress.③Ifyou’renotcareful,youcouldgetintotrouble.④IguessMr.Smithmightbelateforwork.情態(tài)動詞用法小結(jié)⑤—Itmustbeourheadmaster.—No,itcan’tbehim.Hehasgoneto

Beijing.ItmaybeMr.Zhang.⑥Therescueteamshouldarriveby5o’clockthisafternoon.【歸納1】can,could,may,might,must,can’t,should都可表示_______。①can,may都可以表示“可能”（句①、②）。但要注意：在疑問句和否定句中表示“可能”時，多用____。may表“可能”，可用于一般時、進(jìn)行時、完成時或完成進(jìn)行時。如：Shemaybewaitingforyouintheentrancehall.可能性can②could,might表示推測時，并非表示過去，而表示可能性較弱（句③、④）。③must表示推測時，意為“肯定，一定”，表示否定時多用_____（句⑤）。④should用來表示一種估計的情況，可譯為“按理應(yīng)當(dāng)……，估計……”（句⑥）。can’t2.

①Lucycanspeakfivelanguages.②Hesaidthathecoulddoanythingwewished.③Ihaven’tbeenabletoreadthatreportyet.【歸納2】can可表示能力，指某人具有某種知識和技能而能夠做到某事，指現(xiàn)在或?qū)淼那闆r（句①）；could表示過去具有某種能力（句②）。注意：當(dāng)表示經(jīng)過艱苦努力而成功地做到或設(shè)法做到某事時要用_________，而不用_____（句③）。beabletocan3.

①Can/MayIhelpyou?②MayIcomein?③CouldIhaveadrinkofwater?④Will/WouldyoupleasesendmeJack’saddress?⑤Nobodyshallthrowawayrubbishanywhereonthecampus!【歸納3】can表示許可或請求，可與____互換使用（句①）；表“_____”時may和might要比can和could更正式（句②），might和could則比may和can更婉轉(zhuǎn)、更有禮貌（句③）；will/would表示征求意見或提出請求，would此時并不表示過去，而表示委婉語氣（句④）；shall可以用于第二、第三人稱，表示按照條約、規(guī)章等必須履行的義務(wù)（句⑤）。may許可4.

①Ask,ifyouwill,whotheowneris.②Johnwillfallasleepinchurch.③IwouldoftenasksuchquestionswhenIwasatschool.【歸納4】will表示現(xiàn)在的習(xí)慣或意愿（句①，②），would用于描述過去的習(xí)慣，意為“__________”（句③）。過去常常5.

①ShallIopentheenvelope?②Youshallbepunishedifyoubreaktherules.③Tellherthatsheshallhavethebiketomorrow.【歸納5】shall用于第一人稱單復(fù)數(shù)，表示征求對方的意見或請求指點（句①）；shall可用于第二、三人稱的陳述句中，表示______________________（句②、③）。允諾、警告、命令或威脅等6.

①Weshouldtakegoodcareofourchildren.②I’msurprisedthatapersonofyourintelligenceshouldbesofoolishastobelievesuchlies.【歸納6】should表示義務(wù)、責(zé)任或建議、勸告（句①）；表示驚奇、遺憾，意為“______”（句②）。竟然會7.

①Everycitizenoughttoobeythelaw.②Wetooklunchatnoon.It’s5o’clock.Yououghttobehungrybynow.【歸納7】oughtto表示_____（句①），也可表示推測（句②）。義務(wù)8.

①Allpassengersmustwearaseatbelt.②—MustIworkovertimetonight?—No,youdon’thaveto.③Youmustn’tmoveanyofthebooksinmybag.【歸納8】must表示“必須”，否定式是donothaveto或needn’t（句②）；mustn’t表示“_____”（句③）。禁止9.

①Idaren’thavecriticizedhiminthepast,butIthinkIdarenow.②IfyoudareswimacrosstheEnglishChannel,youwouldbeourschoolhero.【歸納9】dare表示“____”，可用于完成體（句①），也可用于虛擬語氣中（句②）。敢10.

①Theplantisdead.Ishould/oughttohavegivenitmorewater.②Thecarandthevancollidedhead-oninthickfog.Bothdriverscouldhavebeenseriouslyhurtintheaccident.③Theweatherhereisverywarm.Weneedn’thavepackedthesewoolensweaters.【歸納10】“情態(tài)動詞+havedone”結(jié)構(gòu)常用來表示過去的情況。should/oughttohavedone表示“_____________________________”（句①）；couldhavedone可表示“過去有可能發(fā)生，但實際并沒有發(fā)生”（句②）；needn’thavedone表示“過去不必做某事而實際上已經(jīng)做了”（句③）。本應(yīng)該做某事，而實際上沒有做Readthesentencesbelowanddiscusswithapartnerhoweachofthesemodalverbsisbeingusedinthesituations.Usethesuggestionsintheboxtohelpyou.Somemayhavemorethanoneanswer.ability,advice,agreement,guessing,pasthabit,necessity,permission,possibility,prediction,promise,request1.canandcouldJimisn’tverygoodatmathsorscience,buthecanspeakEnglishverywell.Ourhistorytestwassolonglastweekthatnoonecouldfinishit.Itwasthelastdayofschool,buttheteachersaidthatwecouldnotleaveearly.abilityabilitypermissionThehuntershavebeenlostfordays.Theycouldstarve.CouldyoupleaseshowmethewaytoBeihaiPark?possibilityrequest2.mayandmightWhatawarddidyougetforthesportscompetition?MayIhavealook?Ourfootballteamdidn’tplayverywelltoday,butwemightdobettertomorrow.possibilitypermission/request3.willandwouldDuringtheSpringFestivaltimethewholefamilywillcomefordinner.Myunclewaspoorbutlikedfashion,sohewouldoftendressupasarichman.AreyoufreethisSaturday?Wouldyouliketojoinmyfamilyfordinner?promise/predictionpasthabitrequest4.shallandshouldTheharvestfestivalbeginsonSaturday.Weshallbetherewithourfriends.Whengoingbyplane,youshouldarriveattheairportatleastonehourearly.It’snearlytimeforclasstostart.Theteachershouldbeheresoon.promiseadviceprediction5.mustandcan’tWhenyoueatfishyoumustbecarefulwiththebones.WangFenghaswontheEnglishcompetitionthreetimes.Hemustbeverysmart.AmanlandedonMars?Youmustbejoking.Thatcan’tbetrue.advice/necessityguessingguessing從括號內(nèi)選擇合適的內(nèi)容完成下面對話。1.

A:

It’sanationalholidaytomorrowsothere’snopublictransport.HowareJaneandSuegoingtogetthere?B:

Idon’tknow.It’llbedifficult.They________(might,must)takeataxi,butthey________(mightnot,couldnot)come.mightmightnot2.

A:

WhyisJohnwearingsunglasses?It’snotsunny.B:

Iguesshe________(may,must)havesomeproblemwithhiseyes.may3.

A:

We’revisitingthe

ForestPark

tomorrowmorning.________(Would,Will)youliketojoinus?B:

I’dloveto,butI________(cannot,couldnot)goouttomorrow.We’regettinganewsofaandthestore________(may,must)bedeliveringittomorrow.Wouldcannotmay4.

A:

Whoisthatmanleavingthelibrary?ItlookslikePeter.B:

It________(may,shall)behisbrother.Theyaresoalikethatpeoplesometimes