牛津译林版英语8A-Unit5-Wild-animals-Grammar课件(共29张PPT)

GrammarUnit5WildanimalsAtriptothezooAtriptothezooclosedbatbeelostgetlostthesame…assaveadj.关闭的n.蝙蝠n.蜜蜂adj.迷路的，迷失的迷路与……同样vt.&vi.储存，节省WordsandexpressionsreviewWhodoyouwanttogowith?Whatdoyoudecidetotake?Howdoyouplantogothere?Whatdoyouhopetodothere?AtriptothezoomakeaplanWewanttogowith….Wedecidetotake….….Atriptothezoo1.WhendidXiWangstarttogooutsideforthefirsttime?2.WhenXiWangwassixmonthsold,whatdidshebegintoeat?

3.WhatdidXiWanglearntodowhenshewas20monthsold?Atfourmonthsold,shestartedtogooutsideforthefirsttime.Shebegantoeatbamboo.Shelearnttolookafterherself.__________________________________Atriptothezoo上面例子中主要行为动词后面的动词都采用了“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”。什么是动词不定式(‘to-infinitives’)？starttogooutsidebegintoeatbamboolearntolookafterherselfVerbs+to-infinitivesWeoftenuseto-infinitivesaftertheseverbs.agreechoosedecidehopelearnplanpreparewantlikestartbeginfailwishtryrememberforget1.Iplan______morefruitandvegetableseveryday.2.Afterdinner,welike_______TVandchatthere.3.Ilove______thereandlookoutatthebeachandthesea.4.Iwant______sickpeople.5.Istarted________theviolinattheageofsix.toeattowatchtosittohelptoplaysitplayeatwatchhelpAtriptothezootheBatHousetheBeeHousegetlost迷路AtriptothezooDad:Doyouknowanythingspecialaboutwildanimals?Amy:Yes,Dad.Forexample,dolphinsareclever.Theycan(1)_______________(learn,workout)easy

mathsproblems.Dad:Whatdoyouknowaboutbats?Amy:Batscan’tsee,buttheycan(2)__________(decide,fly)therightwaywiththehelpoftheirmouthandears.Dad:Didyouknowthatbeesnevergetlost?Amy:Yes.Beesalways(3)____________________(remember,comeback)thesamewayastheywent.Dad:Whatdoyouknowaboutsquirrels?Amy:Theyalways(4)______________(begin,save)somefoodbeforewintercomes.Dad:Yes,butsometimestheyforgetwheretofindthefood.learntoworkoutdecidetoflyremembertocomebackbegintosave（储存）AtriptothezooP62Whatisthemonkeydoing?Hemay…AtriptothezootheMonkeyHouseCanwegiveeverythingtotheanimals?No,theymay…TheGiraffeHouseTheTigerHouseAtriptothezooCanwegonearthetigers?No,theymay…Themonkeymaybelookingforsomefood.Theanimalsmaygetsick.Thetigersmayhurtus.may可用来表示猜测某件事发生的可能性，常译为“也许，可能”。may通常用于肯定句与否定句，一般不用于疑问句。例如：Thenewsmayormaynotbetrue.

这消息也许是真的，也许不是真的。

Atthemomentshemaybeplayingwithherclassmates.

此刻她可能正在和同学们玩。‘may’forpossibilityaTheelephantisgoingtowardsthewater.It(1)_______________(need)abath.bThelittleboyiscryingbecausehesawthetigers.He(2)______________(be)afraidofthem.cIcannotgonearthelionsandtigers.They(3)_____________(hurt)me.dThebabypandaisnotdrinkingitsmum’smilk.It(4)______________(notbe)hungry.eThemonkeysarejumpingaround.They(5)_____________(beplaying)witheachother.fThehorseisstandingwithitseyesclosed.It(6)_______________(besleeping)

mayneedmaybemayhurtmaynotbemaybeplayingmaybesleepingAtriptothezooP61AskandanswerS1:Whatistheelephantdoing?S2:Itis….S1:Whyisitgoingtowardsthewater?S2:Itmay….Atriptothezoo

Therearefewerandfewerwildanimalsintheworld.Why?Whyarewildanimalsbecomingfewerandfewer?Whatdoweneedtodoforthem?Discusswithyourclassmatesanduse“may”and“to-infinitives”asmanyaspossible.AtriptothezooDiscussion:1.当我们猜测某件事发生的可能性时，常用may来表示“也许”、“可能”。2.当句子中已经有谓语动词，而我们又要表达不止一个动作概念时，其余的动词可以使用非谓语形式表达。动词不定式就是动词的一种非谓语形式，其肯定形式是“to+动词原形”，其否定形式是“notto+动词原形”。无人称、数和时态的变化。Reflection1.—Don’tforget______yourhomework,John.—Ok,I’lldoitrightnow.[2011怀化]A.doingB.doC.todo2.—Haveyoudecidedwhichseniorhighschooltochoose?—Notyet.I______gotoMoonlightSchool.[2012江苏南京]A.mustB.mayC.needD.shouldI.单项选择。3.—Excuseme,whenarewegoingtohaveapicnic?—I’mnotsure,Askourmonitor,please.He______know.[2012江苏扬州]A.needB.canC.mayD.shall4.—Doyouhaveanyplansforthisweekend?—I'mnotsure.I______goclimbingMountYuntai.[2012河南]A.mustB.needC.mayD.can5.—IsJimcomingbytrain?—I’mnotsure.He______drivehiscar.[2012四川凉山]A.mustB.mayC.need6.Driversshouldn'tbeallowed______afterdrinking,ortheywillbreakthelaw.[2012湖北咸宁]A.driveB.drivingC.todriveD.tobedrivenII.完成句子。1.他可能认识你。

He_________you.

2.他们可能下周去长城。

They_________theGreatWallnextweek.3.我们同意马上离开。

Weagreed________atonce.4.Laura计划到中国一些名胜之地旅游。

Laura____________someplacesofinterestinChina.5.你愿意和他一起工作吗？

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