牛津译林版英语8AUnit5grammarppt课件.ppt

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1、1.I may die without them.2.They may become dishes on the table any time.3.If we do nothing,soon there may be none left!may 情态动词表示猜测和可能肯定句：may do/be.可能.may 的结构：否定句：may not do/be.可能不.e.g.她可能开车去市中心购物了。他们可能不是医生。She _ _ _ the city centre to do She _ _ _ the city centre to do some shopping.some shopping.T

2、hey_ _ _doctors.may drive tomaybe not辨析！可能不.may not do/be.*不可能是.cant be.*1.Millie went to Shanghai yesterday.The girl over there _ _ her.cant be2.Peter_comewithustonight,butheisntverysureyet.A.mustB.mayC.canD.willBAt the moment,she _ _ _ with her classmates.3.此刻她可能正在和同学们玩。may be playingMillie is in

3、the zoo.She is telling Sandy on the phone about what happens.Complete what Millie says using may with the words in brackets.1.Theelephantisgoingtowardsthewater.It_(need)abath.mayneed2.Thelittleboyiscryingwhenhesawthetigers.He_(be)afraidofthem.3.Icannotgonearthelionsandtigers.They_(hurt)me.4.Thebabyp

4、andaisnotdrinkingitsmumsmilk.It_(notbe)hungry.maybemayhurtmaynotbe5.Themonkeysarejumpingaround.They_(beplaying)witheachother.6.Thehorseisstandingwithitseyesclosed.It_(besleeping).maybeplayingmaybesleepingB Using verbs+to-infinitives当我们要表示“想做某事、需要做某事或决定做某事”时，就会出现两个动词连用的情况，这时应如何表达呢？Usingverbs+to-infin

5、itives当句子中已经有谓语动词，而我们表达不止一个动作概念时，那么，主要行为动词后面的动词采用“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）。其肯定形式是“todo”，其否定形式是“nottodo”。在句子中不能单独作谓语，动词不定式没有人称和数和时态的变化，。什么是动词不定式(to-infinitives)？wanttodosth.,needtodosth.decidetodosth.agreetodosth.同意做.begintodosth.开始做.decidetodosth 决定做.failtodosth.做某事失败forgettodosth.忘记做.ho

6、petodosth 希望做.1.在英语中某些及物动词后接动词不定式作宾语,常用的此类动词有：learntodosth 学着做.plantodosth 计划做.preparetodosth.准备做.remembertodo.记得做.trytodosth 努力做.wanttodo.想要做.Ihopetowatchthesunset我想看日落。Iwanttotakesomephotosofthesunrise.我想拍几张日出的照片。今年暑假他打算去参观长城？HeisplanningtovisittheGreatWallthissummerholiday?more verbs+to do（作宾语）:n

7、eedpromiseseemstart/begin+to dowouldlikecantwaittryonesbestasksb.todotellsb.todoinvitesb.todowantsb.todowouldlikesb.todoteachsb.todoadvisesb.todo needsb.todo2.to do 做宾语补足语hearsb.doseesb.dowatchsb.domakesb.doletsb.dohelpsb.do但有的动词后跟不带to 的不定式作宾补，如:remembertodosth.记得去做某事rememberdoingsth.记得做过某事forgettod

8、osth.忘记去做某事forgetdoingsth.忘记做过某事e.g.Tom,记得课后和我们一起打篮球。Tom,remembertoplaybasketballwithusafterclass.我记得上个月写了一封信给你。Irememberedwritingalettertoyoulastmonth.stoptodosth.停下(正在做的)事去做(另一件)事stopdoingsth.停止做(正在做的)事e.g.让我们停下来休息一下。Letsstoptohavearest.不要说话，老师来了。Stoptalking.Theteacheriscoming.We dont use to after these verbs.keeppractise spendfinishenjoyhave fun/have a great timelook forward to have problemsbe busy+doingFinishtheexerciseonpage62Moreaboutwildanimals.