定义在英语中，为了避免重复而省去某些重复的部分，这种现象叫省略。如：?Begyoupardon.?Soundslikeagoodidea.?（I）Begyoupardon.?(It)Soundslikeagoodidea..一简单句中的省略?1、省略主语祈使句中主语通常省略?Doesn’tmatter.?(It)doesn’tmatter.?(It)Soundslikeagoodidea.2、省略主谓或主谓语的一部分。如：（省略主语和谓语）?What/How(doyouthink)aboutacupoftea??Why(doyou)notsayhellotohim?3、省略表语。??Areyouthirsty??Yes,Iam.(thirsty).?Hisbrotherisn’tlazy,norishissister.(lazy).4、同时省略几个成分?Let’smeetatthesameplaceas(wemet)yesterday.同时省略主、谓语??Haveyoufinishedyourwork??Notyet.Ihavenotfinishedmyhomeworkyet.?二并列句中的省略1、两个并列句中，后一个分句常省略与前一分句中相同的部分。?Mybrotherisadoctorandmysister-in-law(is)alawyer.（省略相同的谓语动词）?Whensummercomes,thedayisgettinglongerandlonger,andthenight(isgetting)(isgetting)shorterandshorter.省略相同的谓语动词三复合句中的省略1、主句中有一些成分被省略，如：?(I’m)Sorrytohearyouareill.?(It’sa)Pitythathemissedsuchagoodchance.主句中有一些成分被省略、而用so或not来代替?－AreyouleavingforBeijingthisSunday?－Ithinkso.soI’mleavingforBeijingthisSunday.?－Tommustbefreetoday.－Ifso,hecanhelpus.soheisfree.?－Itisgoingtorain,isn’tit?－Ihopenot.notitisnotgoingtorain.这种用法常见的有：Howso?Whyso?Isthatso?Ihopeso.Hesaidso.及Isuppose/believe/hopenot.Whynot?等等。2.宾语从句中的省略宾语从句中常省略连词that，但当有两个并列的宾语从句时，第二个that则不能省略。?Weallknow(that)theearthrunsaroundthesun.?Marysaid(that)sheisfromAmericanandthatsheis16yearsold.3.定语从句中的省略在定语从句中，that,which,who在从句中作宾语时可省略。?Ihaven’treadthebook(that/which)you’rereading.?Theman(that/who)yourfatherjusttalkedtoisourEnglishteacher,Mr.Smith.4.状语从句中的省略在以when,while,once引导的时间状语从句及以if,unless引导的条件状语从句中和though,although引导的让步状语从句中，如果从句中的主语与主句中的主语指同一对象，且从句中含有be动词时，从句中可省去“主语+be”部分。?Whenhewasaskedwhathehaddone,Johnjustkeptsilent.?Whenhewasaskedwhathehaddone,Johnjustkeptsilent.?Ifheisfree,Jackwillgowithus.?Ifheisfree,Jackwillgowithus.?Unlessheisinvited,hewon’tcome.?Unlessheisinvited,hewon’tcome.?Whileheisdoinghousework,myhefatheroftenlistenstomusic.?Whileheisdoinghousework,myfatheroftenlistenstomusic.四不定式中的省略动词不定式中为了避免重复，省去与前面出现的相同部分，只保留to，但如果在省略的不定式结构中含有be，have,havebeen时，要保留这些词。??Arey