Unit+5+Grammar 牛津譯林版英語八年級上冊

TolearntousemayforpossibilityTolearntouseverbs+to-infinitivesTolearnthenewwordsandphrases:closed,lost,save,getlost,thesame…asLearningObjectivesBeforethetripFreetalk:Haveyoueverbeentothezoobefore?Whatanimalshaveyouseeninthezoo?Whichisyourfavouriteanimal?ReviewtheanimalsbeardolphinsquirrelzebrapandatigerLet'slearnmoreaboutwildanimalsgiraffemonkeyhorsebatelephantbeeMakeaplanWhodoyouwanttogowith?Whatdoyoudecidetotake?Howdoyouplantogothere?Whatdoyouhopetodothere?Iwanttogowithmy.....Idecidedtotake.....Iplantogothereby.....Ihopeto....上面例子中主要行為動詞后面的動詞都采用"to+動詞原形"的結(jié)構(gòu)，我們把這種結(jié)構(gòu)稱為動詞不定式（有時可以不帶to)。動詞不定式?jīng)]有人稱和數(shù)的變化，在句子中不能單獨(dú)作謂語，其否定形式是“notto+動詞原形”。wanttogodecidetotakeplantodohopetodoverb+to-infinitivesWeoftenuseto-infinitivesafterthesewords"agree同意choose選擇decide決定learn學(xué)習(xí)plan計(jì)劃prepare準(zhǔn)備want想要fail失敗try嘗試remember記得forget忘記hate討厭like/love喜歡start/begin開始hope/wish希望Dad:Doyouknowanythingspecialaboutwildanimals?Amy:Yes,Dad.Forexample,dolphinsareclever.Theycan(1)___________________(learn,workout)easymathsproblems.Dad:Whatdoyouknowaboutbats?Amy:Batscan’tsee,buttheycan(2)_____________________(decide,fly)therightwaywiththehelpoftheirmouthandears.Dad:Didyouknowthatbeesnevergetlost?Amy:Yes.Beesalways(3)____________________________(remembercomeback)thesamewayastheywent.Dad:Whatdoyouknowaboutsquirrels?Amy:Theyalways(4)____________________(begin,save)somefoodbeforewintercomes.Dad:Yes,butsometimestheyforgetwheretofindthefood.learntoworkoutdecidetoflyremembertocomebackbegintosaveWhilethetripA:Canwegonearthetigers?B:No,theymay___________you.Theymaybe_____________.Let'sguessItmaybea_______.tigerhurtdangerousA:Canwefeedthemonkey?B:No,itmaynotbe_________.Ifiteatstoomuch,itmay___________.Itmaybea_______.monkeyhungrygetsickLet'sguessLet'sguessItmaybea_______.pandaA:Whatisthegiantpandadoing?B:Itmaybe_____________.climbingItmaybeatiger.Itmaybeamonkey.Itmaybeapanda.Itmayhurtyou.Itmaybedangerous.Itmaynotbehungry.Itmaygetsick.Itmaybeclimbing.Thetipsgiventous:may可用來表示猜測某件事發(fā)生的可能性在肯定句中，may后通常接____________,___________.否定句是在may后加______,再加___________.動詞原形be+ingnot動詞原形1.Theelephantisgoingtowardsthewater.It(1)_______________(need)abath.2.Thelittleboyiscryingbecausehesawthetigers.He(2)______________(be)afraidofthem.3.Icannotgonearthelionsandtigers.They(3)_____________(hurt)me.4.Thebabypandaisnotdrinkingitsmum’smilk.It(4)______________(notbe)hungry.5.Themonkeysarejumpingaround.They(5)_____________________(beplaying)witheachother.6.Thehorseisstandingwithitseyesclosed.It(6)_____________________(besleeping)mayneedmaybemayhurtmaynotbemaybeplayingmaybesleepingAfterthetrip1.—Don’tforget______yourhomework,John.—OK,I’lldoitrightnow.2.—Haveyoudecidedwhichseniorhighschooltochoose?—Notyet.I______gotoMoonlightSchool.3.—Excuseme,whenarewegoingtohaveapicnic?—I’mnotsure,Askourmonitor,please.He______know.4.Driversshouldn’tbeallowed________afterdrinking,ortheywill

breakthelaw.5.—Bob,whereisLinda?—She_______beinthelibrary,butIamnotsure.todomaymaymaytodrive1.Mymother_____athomethistimeinthemorning.A.maybeB.maybeC.mayisD.maynot2.Don'tworry.______yoursoniswaitingforyouathome.A.maybeB.MaybeC.mayisD.maybenot3.---MayIgohomenow,MissWhite?---No,you_____.You_____stayhere.A.needn't,mustB.can't,mustC.mustn't,mayD.needn't,haveto4.---MustIfinishtheworktoday?---No,you______.Youcandoitlater.A.maynotB.can'tC.needn'tD.must'tmay表示“”許可、準(zhǔn)許或征求同意時，可以與can同義，可以互換。肯定回答：Yes,youmay.或Yes,youcan.(Yes,please.Certainly.Ofcourse.Sure.更加禮貌、客氣。)否定回答：No,youcan't.或者No,youmustn'tEnjoythevideoWhatcanwedotohelpthe