Unit+5+Grammar 牛津译林版英语八年级上册

TolearntousemayforpossibilityTolearntouseverbs+to-infinitivesTolearnthenewwordsandphrases:closed,lost,save,getlost,thesame…asLearningObjectivesBeforethetripFreetalk:Haveyoueverbeentothezoobefore?Whatanimalshaveyouseeninthezoo?Whichisyourfavouriteanimal?ReviewtheanimalsbeardolphinsquirrelzebrapandatigerLet'slearnmoreaboutwildanimalsgiraffemonkeyhorsebatelephantbeeMakeaplanWhodoyouwanttogowith?Whatdoyoudecidetotake?Howdoyouplantogothere?Whatdoyouhopetodothere?Iwanttogowithmy.....Idecidedtotake.....Iplantogothereby.....Ihopeto....上面例子中主要行为动词后面的动词都采用"to+动词原形"的结构，我们把这种结构称为动词不定式（有时可以不带to)。动词不定式没有人称和数的变化，在句子中不能单独作谓语，其否定形式是“notto+动词原形”。wanttogodecidetotakeplantodohopetodoverb+to-infinitivesWeoftenuseto-infinitivesafterthesewords"agree同意choose选择decide决定learn学习plan计划prepare准备want想要fail失败try尝试remember记得forget忘记hate讨厌like/love喜欢start/begin开始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可用来表示猜测某件事发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___________.动词原形be+ingnot动词原形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“”许可、准许或征求同意时，可以与can同义，可以互换。肯定回答：Yes,youmay.或Yes,youcan.(Yes,please.Certainly.Ofcourse.Sure.更加礼貌、客气。)否定回答：No,youcan't.或者No,youmustn'tEnjoythevideoWhatcanwedotohelpthe