英语三大从句讲解

从句clause1.名词性从句（substantiveclauses):主语从句subjectclause、宾语从句objectclause、表语从句predicativeclause、同位语从句appositiveclause.2.定语从句（attributiveclause):形容词性从句3.状语从句（adverbialclause):副词性从句（时间、地点、条件、结果、目的、原因、让步，方式等等）1.IhavereachedapointinmylifewhereIamsupposedtomakedecisionofmyown.2.Ifoundthewalletwhereyouleftit.3.Shesangasshewalkedhomealltheway.4.Manypeople,asyouknow,arelearingforeignlanguages.5.Herhouse,whichwasbuiltahundredyearsago,stoodstillintheearthquake.6.Thenewsthatourteamhaswonthegameswastrue.7.Itwasobviousthatyou'vemadeabigmistake.8.Hewilltalktousaboutwhathesawintheschool.9.Helooksasifhewasgoingtocry引导词particle1.引导名词性从句的连接词可分为三类：连接词：that,whether,if(不充当从句的任何成分）连接代词：what,whatever,who,whoever,whom,whose,which连接副词：when,where,how,why定语从句中的关系代词主语宾语定语指人whothatwhomthatwhose（ofwhom）指物WhichthatWhichthatWhose(ofwhich)指人和物thatthatwhoseWhen=on(in,during…)whichwhere=on(in,infrontof…)whichWhy=forwhich1.who,whom,whose,that用法区别.②whom作定语从句的宾语③that可以作定语从句的主语和宾语（可省略）.④whose作定语从句的定语.Thisisatruckwhich/thatismadeinChina.Ilikethebook(which/that)youboughtyesterday.3.只能用that的情况TomisthecleverestboythatIhaveeverknown.ThisisthefirstplaythatIhaveseensinceIcamehere.①序数词或形容词最高级修饰先行词时I’vereadallthebooksthatyoulendme.②先行词被every,some,no,all,any,little,much等修饰时。Everythingthatwesawinthisfilmwastrue.Thisistheverybookthatbelongstohim.④先行词被theonly,thevery,thesame,thelast修饰时。Whoisthegirlthatisstandingunderthetree?WhichisthemachinethatweusedlastSunday.⑤whoistheworkerthattooksomephotosofthefactory.主句已有who和which时只能用that⑤主句已有who或which时I’veneverheardofthepeopleandthingsthatyoutalkedaboutjustnow.⑥当先行词同时指人和物时4.关系代词前有介词时(介词提前).指人只用whom,指物只用whichThisistheboywithwhomhetalked.Thisistheringonwhichshespent1000dollars.