高二英语新人教版选修7同步课件unit3underthesea语法讲解高考.ppt

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1、Unit3UndertheseaSectionⅣGrammarThepassive–ingform语态时态主动形式被动形式一般式完成式(not)doing(not)beingdone(not)havingdone(not)havingbeendone一、形式：二、用法：V-ing主动式形式可作主语、宾语、表语;定语、状语和宾语补足语，但不能单独作谓语。被动式也一样。※其一般被动式(not)beingdone表示一个被动的动作正在进行或与谓语的动作同时发生※其完成被动式(not)havingbeendone表示被动的动作发生在谓语表示的动作之前用法分析：

2、1.动词ing作主语用法：★Swimmingisgoodforhealth.★___________(raise)yourhattoaaladyisgoodmanners.对一位女士脱帽致敬是礼貌的。★____________(kill)bysharksintheseaisacommonthing.动词ing被动式表示一个被动的动作作主语RaisingBeingkilled2.动词ing作表语用法☆Teachingislearning.教学相长．☆Myhobbyis__________(make)modelplanes.☆Whatworriedthec

3、hildmostwas_________(not,allow)tovisithismotherinthehospital.makingnotbeingallowed动词ing被动式表示一个被动的动作作表语3.动词ing作宾语的用法：V-ing形式既可作动词的宾语,也可作介词的宾语。V-ing形式的被动式作宾语表示和主语的被动关系。★Wewouldappreciatehearingfromyou．我们会珍惜你的来信。★Ifeellike__________(join)thearmy.★Hewasafraidof____________(abandon)b

4、yus.★Thebirdescaped______________(catch).beingabandonedbeingcaughtjoining①在want，need，require，deserve等表示动词之后作宾语时，常用动名词的主动式表示被动意义。Yourcarneedsfilling.你这车要充气了。Thiscitydeservesvisiting.这座城市值得光顾一下。Theproblemrequiresstudyingcarefully.这个问题需要认真研究。Thetreeswantwatering.这些树需要浇水了。注意：②在（be）w

5、orth后面只能用动词-ing的主动态来表示被动意义。Hissuggestionisworthconsidering.Thebookisworthreading.注意4.作定语的用法：＊Thegirlstandingthereismysister.＊Thisisapieceof__________(surprise)news.＊Thefarmers____________(work)inthefieldsaretired.＊Theproblem____________(discuss)nowisveryimportant.V-ing形式的被动式作定语表

6、示和所修饰词的被动关系。surprisingbeingdiscussedworking5.作宾语补足语用法：●Isawpeoplecomingandgoinginthestreet.●Iheardher___________(sing)asonginherroom.●You’llfindthetopic_____________(discuss)everywherenow.v-ing做宾补和宾语之间为被动关系beingdiscussedsinging6.作状语◆Hearingthegoodnews,hejumpedwithjoy.◆Hesatatthe

7、table,__________(read)ChinaDaily.◆__________(work)hard,youwillsucceed.◆______________(ask)toanswerthequestion,shecouldn’trefuse.动词ing和主句主语之间为被动关系readingWorkingBeingasked-Ving一般时和一般被动形式;Hehurriedhome,lookingbehindfromtimetotime.2)Beingaskedtogiveaperformance,shecouldn’tverywellre

8、fuse.V-ing的完成时和完成被动形式Havinglitacandle,shewentou