简单句和复合句.pptx

简单句和复合句,概述：,英语书面语中按句子结构划分，有且仅有三种句子：简单句、并列句和复合句。,一、简单句,只包含一个主谓结构的句子叫简单句。Heworksinabigcompany.Sheisakindgirl.Anneatsjunkfoodtwiceaweek.,二、并列句,由并列连词把两个或两个以上的简单句连在一起的句子叫并列句。1.Itishotinsummerhere,butitsnotcoldinwinter.2.Theskywascloudless,andthesunwasshiningbrightly.3.Welovepeace,butwearenotafraidofwar.4.TheshopswereclosedsoIdidntgetanymilk.5.Dontdrivesofastoryouwillhaveanaccident.,常见的并列连词：1.并列关系：and,aswellas,notonlybutalso2.转折关系：but3.因果关系：so,for4.选择关系：or,eitheror5.对比关系：whileAtschool,somestudentsareactivewhilesomeareshy.,三、复合句,由一个主句和一个或一个以上的从句构成的句子，叫复合句。主句和从句都有主语和谓语，但是从句只是主句的一个成分，离开主句不能独立存在。根据从句在主句中担任的成分不同，从句可分为：名词性从句（主语从句、宾语从句、表语从句和同位语从句）、定语从句和状语从句。,e.g.ItsimportantthatwestudyEnglishwell.主从HesaidthatLiPingcoulndtcomehere.宾从Itseemsthattheweathercouldbefine.表从Theplanthatwellstartoutnextweekhasntbeendecided.同位语从句,1.名词性从句,2.时间状语从句,引导词有when,as,while,assoonas,before,after,since,till/untile.g._hewasyoung,hewasinterestedinscience.,When,3.目的状语从句,引导词有sothat,inorderthate.g.Speakup,_wecanfollowyou._hecangettoschoolearlier,hedidnthavebreakfast.,sothat,Inorderto,3.结果状语从句（引导词：sothat;so.that.;such.that.）,Hegotup_early_hecaughtthefirstbus.Its_agoodchance_wemustnotmissit.Theboyranveryfast_wecouldntfollowhim.,so,that,such,that,sothat,4.条件状语从句：引导词（if、unless）,_itisfine,wellsetofftomorrow._hecomes,Iwontgohome.,If,Unless,1.Whathesaidjustnowmademehappy.2.Hesaidthathelikedthatbook.3.Thisisbecauseyouaretoocareless.4.Adoctorisaperson