人教必修五-Unit5-grammar(共26张PPT).ppt

,Firstaid,5,Teachingaims,1.Masterthegrammar2.UsethecorrectformoftheElliptical.,为了使语言简洁或避免重复，省略句中的一个或几个句子成分，这种语法现象称为省略。,主语,谓语或谓语的一部分,宾语,A:Wouldyouliketocometotheparty?B:Idloveto(cometheparty.),主语和谓语,不定式后省略动词,注意,-Areyouateacher?-No,butIusedtobe.,Hehasntfinishedhisworkyet;heoughttohave.,当动词原形为beorhave时，在省略中通常要保留beorhave,但随后的成分可省略。,1.简单句中的省略现象,Pitywelivesofarfromthesea.,Beautifulday,isntit?,1)句首省略,省略了句子的主语，有时还连同谓语动词一起省略,Soundslikeagoodidea.,Wonderwhatsheisdoing.,Forgottenmyname?,Nobodyathome.,2)答语的省略,-Haveyoufinishedyourcomposition?,-Notyet.,-Willyoujoinus?,-Idloveto.,Lindahasarrived.-When?,Hewontgototheparty.-Whynot?,3)结构省略,这种省略可以根据通常的语法结构加以判断,Wehavelivedhere(for)tenyears.,在否定句中不可省略,Ihaventseenyouforthreemonths.,Someotherexamples:,Youwillnevermanagesuccessfully(in)thatway.,简单句情景中的省略,4.表示讲话人的意见和看法,(It)soundsfinetome.,(Itsa)pityyoucouldntcome.,5.提问,(Isthere)anythingwrong?,(Haveyou)foundthebike?,6.名词所有格修饰的名词若表示店铺,住宅,教堂或上下文已暗示或明确指出过的事物,Athermothers(house)she,passedmanyhappydays.,7.前面出现过的动词在下文再次出现时可以单纯使用不定式符号to,在并列句中，重复的词常被省略,Someoneborrowedmypen,butIdontrememberwho(borrowedmypen).,并列句中的省略,1.后面分句中与前面相同的部分常被省略。,Shewaspoorbut(shewas)honest.,2.有时并列句中的省略部分出现在前面的分句中，看完最后一个分句才能掌握全句的完整意义。,Marycan（speakEnglish）andMaryoughttospeakEnglish.,Iwillbuyahouse.Hewill(buyahouse)too.,1)省略动词+宾语或补语,Johnwasthewinnerin1994,andBob(wasthewinner)in1995.,2)省略主语+谓语动词,Westillhaveshortcomings,and(wehave)verybigones,too.,出现在并列句中的be,have,do,如果在一个分句中作助动词，而在另一个分句中作行为动词，不可省略。,Themanhasagunandhasthreatenedtouseit.,Marydidtheworkbutdidnotfinishit.,3)省略主语+谓语+宾语,TheyhaveincreasedtradewithChinaand(theyhaveincreasedtrade)withotherEast-Asiancountries,too.,Theytriedtopreventthepollution,but(theydid)not(preventpollution)verysuccessfullyatthebeginning.,并列句的省略有时还可出现在前面的分句中，这时被省略的词语便出现在下文。,Georgewill(takethecourse)andbobmighttakethecourse.,在复合句（状语从句）中，一些词（如主语和be动词）常可以省略。,While(hewas)doingso,hetrembledalittle.Unless(itis)changed,thisbillislikelytoberejected.Though(hewas)exhausted,hestayeduplate.Shehurriedoutoftheroom,asif(shewas)angry.,在复合句（宾语从句和定语从句）中，也可以省略一些词。,IshalldoallIcantohelpyou.Idontthinkhewilldothat.,(do)(that),复合句中的省略,1.主句中的省略,1）主句的省略多见于句首，多用于口语中。,(Itsa)pityyoucouldntcome.,2)在对话中答句省去整个主句只用从句。,-ShallIgotoplay?,-Ifyoulike(youcangotoplay).,2.宾语从句中的省略,1）由which,when,where,how和why引导的宾语从句，可全部或部分省去,只保留引导词。,Pleasepassmeoneofthesebooks,Idontcarewhich(youpassme).,2)在Imafraid,Ithink,Ibelieve,Ihope,Iguess等开头的作答句中，后面跟so与not分别用于肯定或否定宾语时，宾语从句可省去。,-Doyouthinkitwillrain?,-Ihopenot(thatitwillnotrain).,3.状语从句中的省略,1）状语从句出现在句末时，一般都可以作句尾省略。,Comingswimming?Youdonthaveto(comingswimming)ifyoudontwantto(comingswimming).,2)有时条件从句可以完全省去，只剩下主句。,Iwouldhavecomeyesterday(ifIhadwantedto).,3)以as,than引导的比较状语从句可以全部或部分省去。,Afterhalfahour,shebecomequieter(thanshehadbeen.),惯用的省略结构,1.无动词祈使句,无主句祝愿句,这类句子往往用感叹号.,IfonlyIcouldrememberhisname!,2.固定句型How/Whatabout+n/pron/-ing.,Whataboutsomemoremilk?,3.Whynot+省去to的动词不定式。,Whynotgoatonce?,英语中常见句式的省略有：1.Itis(that)强调句式中that部分省略。2.(Itis)Nowonder(难怪)3.(Isthere)Anythingelse?4.(Youd)Betterdo5.havesomedifficulty(in)doing,preventsb(from)doingsth等词组中,1.Haventseenyouforages.2.Somemoretea?3.Soundslikeagoodidea.4.Doesntmatter.5.Sorrytohearthat.,Nowitsyourturntofindoutwhathavebeenleftout.,Ihaventseenyouforages,Wouldyoulikesomemoretea?,That/Itsoundslikeago