粉笔教师教育粉笔教师2020全国教招英语学科句法8主讲：慕伊4省略句Ellipticalsentence一、复合句中的省略二、并列句中的省略考点一、复合句中的省（一）复合句中的省略1.状语从句中的省略必须满足两个条件：①主句主语和从句主语一致②从句的谓语含有be动词①when,while引导的时间状语从句Youshouldbecarefulwhenyouarecrossingthestreet.Youshouldbecarefulwhencrossingthestreet.②if,unless,once引导的条件状语从句Ifitisproperlytreated,wastewilldonoharmtotheenvironment.Ifproperlytreated,wastewilldonoharmtotheenvironment.I'llnotgotothepartyunlessIaminvited.——————————————————.可同时省略从句的主语和be动词通常省略了itis，thatis，thereis/are【例1】If(itis)possible/necessary,thisoldtemplewillberebuilt.【例2】If(thatis)so,Iwillcallyoubackat5:00pm.【例3】Thereareonlyafewbooksinourschoollibrary,if(thereare)any.【例4】Youaretheverypersonthatgivesmeahandwhen(itis)necessary.【例5】Thousandsofstoneblocksweremovedandnewroofsectionswerereplacedwhere(itis)necessary.注意：以if从句为代表的状语从句中的特殊省略用法：③though,although,whether,nomatterwhether/what/how/who等引导的让步状语从句Hewashappy,though/although(hewas)poor.④asif,asthough引导的方式状语从句Hestoodupasif/thoughheweretoleave.——————————————————.•当不同的主语进行比较时，一般省略从句中的谓语；【例1】Heistallerthanhisbrother(is).•当从句中的主语与谓语（be动词除外)和主句中的主语与谓语相同时，通常省略从句中的主语和谓语，只保留比较部分。【例2】Ihaveasmuchasconfidenceinyouas(Ihaveconfidence)inhim.2.than,as引导的比较状语从句中的省略用法：1.Wouldyoureadmyletterandcorrectthemistakesif________?A.someB.everC.anyD.never2.When________wherehewasborn,theoldmanwasafraidtogivehisaddress.A.askingB.askedC.wasaskedD.ask3.When_______help,oneoftensays“Thankyou.”or“It’skindofyou.”A.offeringB.toofferC.tobeofferedD.offered1.当并列的主语相同时，后面的主语可省略IamateacherandIlikesinging.Iamateacherand____________.2.当并列的谓语动词相同时，动词（包括助动词、不定式等）可省略。Readingmakesafullman;conference(makes)areadyman;writing(ma...
