江苏省南京师范大学第二附属初级中学八年级英语上册 Unit 5 Wild animals Grammar 2课件 （新版）牛津版.ppt

unit5wildanimals grammar ausingmayforpossibility grammar 1 ifwedonothing soontheremaybenoneleft 2 thebambooforestsarebecomingsmallerandsmaller asaresult pandasmaynothaveaplacetoliveorfoodtoeat may表示猜测 可能性 用于肯定句中或否定句中 maynotdo 意为 可能不 e g 1 thestorymayormaynotbetrue 2 canthatbetrue maythatbetrue 3 hecan tknowthetruth 他不可能知道真相 hemaynotknowthetruth 他可能不知道真相 millieisinthezoo sheistellingsandyonthephoneaboutwhathappens completewhatmilliesaysusingmaywiththewordsinbrackets inthezoo 1 theelephantisgoingtowardsthewater it need abath mayneed 2 thelittleboyiscryingbecausehesawthetigers he be afraidofthem 3 icannotgonearthelionsandtigers they hurt me 4 thebabypandaisnotdrinkingitsmum smilk it notbe hungry maybe mayhurt maynotbe 5 themonkeysarejumpingaround they beplaying witheachother 6 thehorseisstandingwithitseyesclosed it besleeping maybeplaying maybesleeping busingverbs to infinitives 1 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 其基本形式是 to 动词原形 如 hewantstoplayfootballafterclass 他想课后踢足球 mymotherforgottoturnoffthelightsyesterday 我妈妈昨天忘记关灯了 注意 动词不定式在句子中不作谓语 因此没有人称 数和时态的变化 动词不定式在句中常作谓语动词的宾语 这一类谓语动词常见的有 agreechoosedecideforgethopelearnlikeplanpreparepromiserefuserememberseemwantwishwouldlike 注意 动词不定式的否定形式是 notto 动词原形 如 youmustpromisenottobelateagain 你必须保证不再迟到了 remembertodosth 记得去做某事rememberdoingsth 记得做过某事 区分 forgettodosth 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 let sstoptohavearest 不要说话 老师来了 stoptalking theteacheriscoming 区分 1 enjoykittyenjoysdancing lettheteacherletshimreadloudly 3 practiseyoushouldpractisespeakingoften wedon tuse to aftertheseverbs 4 makethejokemakesmelaughandlaugh 5 helpsheoftenhelpsme to carrywater 6 finishyoumustfinishdoingyourhomeworkontime 1 youmust listen totheteachercarefullyinclass 2 maryagreed go shoppingwithlucy 3 look theboys play football listen togo areplaying exercises 4 maydecided buy abookforann sbirthday 5 maxtellsfunnyjokestomakeus feel happy 6 let s go onatriptomorrow go tobuy feel 7 thepolicemantoldtheboys notplay footballinthestreet 8 wouldyoulikesomething drink 9 notbe lateforclassagain 10 iplan travel aroundtheworldinthesummer nottoplay todrink don tbe totravel 11 danielhopes be adoctorwhenhe grow up 12 iprepare clean myro