Unit1FestivalsandCelebrationsDiscoveringUsefulStructures课件高中英语人教版1.pptx

Unit1FestivalsandCelebrationsDiscoveringUsefulStructures

Theuseofthe-ingform动词ing形式做主语和宾语

____________（做运动）isgoodforourhealth.Assubject---1.直接置于句首Havingsports

_________________________（保护环境）iswhatweshoulddo.Protectingtheenvironment

_________________________（没有完成作业）upsetshim.Notfinishingthehomework

2.用it做形式主语，把真正的主语v-ing形式移置句尾。这事值得去做。It’sworthwhilemakingtheeffort．覆水难收。Itisnousecryingforthespiltmilk．

归纳：-ing形式作主语后置的常用句型有：Itis/wasawasteoftimedoingsth做……是浪费时间的Itis/wasnogood/usedoingsth做……是没益/用处的Itis/wasworth/worthwhiledoingsth做……是值得的

出国旅行是很激动人心的。Travellingabroadisveryexciting.2.在这儿等是没用的,我们走吧。(Itisnousedoing...)It’snousewaitinghere.Let’sgo.3.被邀请在毕业典礼上演讲让他很兴奋。Beinginvitedtodeliveraspeechatthegraduationceremonymakeshimexcited.4.他不在这让我们很失望。Hisnotbeingheremakesusverydisappointed.Translation

V-ing形式的复合结构形容词性物主代词/名词所有格+doing句中作主语Mary’sbeinglateforclassmadeherteacherangry.V-ing形式的逻辑主语

1．作介词宾语常见to作介词的短语：devoteoneselfto,lookforwardto,objectto(反对),beused/accustomedto(习惯于),leadto,insiston/stickto(坚持),payattentionto,getdownto(着手做)等。(1)他的一生都致力于为黑人争取平等权利而战。Hedevotedhimselftofightingfortheequalrightsofblackpeople.(2)我期待尽快收到你的来信。I’mlookingforwardtohearingfromyousoon.二、用作宾语

2.后只能接动名词作宾语的动词，常见的有avoid,miss,putoff/delay;suggest,finish,practice;enjoy,imagine,can’thelp;admit,deny,envy;escape,risk,excuse;stand,keep,mind.

2.后只能接动名词作宾语的动词，常见的有：避免错过(少)延期;avoid,miss,putoff/delay;建议完成多练习;suggest,finish,practice;喜欢想象禁不住;enjoy,imagine,can’thelp;承认否认与妒忌;admit,deny,envy;逃避冒险莫原谅;escape,risk,excuse;忍受保持(不)介意.stand,keep,mind.

3.既可接动名词又可接不定式作宾语的动词，常见的有：begin/start,continue;意义无甚区别like,dislike,love，hate，prefer;V-ing表示泛指的动作，todo表示具体的一次性动作。forget,remember，regret;try，mean;goon,stopbeusedto意义各不相同V-ing--动作先于谓动，todo表示后于谓动

动词-ing形式作定语和表语【语法感知】观察并完成下列课