定语从句用作定语的从句叫定语从句。定语从句所修饰的名（代）词叫作先行词。定语从句一般紧跟在先行词的后面。1.Thestudents(whodon’tstudyhard)willnotpass先行词定语从句theexam.主句:Thestudentswillnotpasstheexam.2.Thewoman(whomyousawinthepark)isour先行词定语从句Englishteacher.主句:ThewomanisourEnglishteacher.从句的主语：you从句的宾语：whom3.Ashoeshopisashop(whichsellsshoes).主句：Ashoeshopisashop.从句的主语:which4.Thebook(thatyouwant)isonthedesk.主句从句的主语:从句的宾语：Thebookisonthedesk.youthat引导定语从句的关系代词常见的有that,which,whowhom等。关系代词放在先行词和定语从句之间，起连接作用，同时又作定语从句的一个成份。Theman(that/whotoldusafunnystory)isinthenextroom.主语Ilostthebook((that/which)yougaveme).宾语归纳：that,即指人又指物，作主语或宾语。which,指物，作主语或宾语。who,whom指人,who作主语,whom作宾语。that,which,whom在定语从句中作宾语时，可省去。1)Aplaneisamachine________________canfly.2)Thecar_______________________myuncleboughtlastweekwasstolen.3)Thestudents________________don’tstudyhardwillnotpasstheexam.4)Thewoman___________________yousawintheparkisourEnglishteacher.5)Hetalkedhappilyaboutthemenandbooks______________interestedhimgreatlyintheschool.which/thatwhich/that///who/thatwhom/that///that1.Thatbookthatyouwantitisonthedesk.2.Isthisfactorythatwevisitedlastweek?theoneThisfactoryistheonethatwevisitedlastweek?3.Heisthepersonforwhomyouarelooking.for4.ThepersontowhomyoutalkedisLily.ThepersonwhomyoutalkedtoisLily.归纳：1定语从句要避免成分重复2定语从句要避免漏用先行词3含有介词的短语动词一般不拆开Jointwosentencesintoone:Theboyismybrother.Hehelpedme.1.Theboywhohelpedmeismybrother.Thefilmisinteresting.Theysawitlastnight.2.Thefilmtheysawlastnightisinteresting.Thestudentswillnotpasstheexam.Theydon’tworkhard.3.Thestudentswhodon’tworkhardwillnotpasstheexam.Fillintheblanks.1.Istillremembertheday_________wespentintheforest.2.Istillremembertheday____________IfirstcametoBeijing.3.Thefactory_________wewillvisitislarge.4.Thefactory___________hisfatherworksislarge.5.I’llneverforgetthetime_____________weworkonthefarm.6.Thisisthehouse____________welivedlastyear.that/whichwhen/onwhichthat/whichwherewhen/atwhichwhere/inwhich归纳:关系副词when指时间,关系副词where指地点,在定语从句中作状语。即使先行词是时间地点,若作从句中的宾语，只能用关系代词that,which.Fillinthegaps:1.Theterribletyphoonkilledthepeopleandcattle_______wereinthefields.2.Thewindblewdownthetallesttree_______isinfrontofourschoolgate.3.Thisistheverything______Iwaslookingfor.4.Thisisthesecondnovel______Ihaveeverread.5.Thereisnothingintheworld_______canfrightenme.6.Whoistheman_______isreadingunderthetree?7.Myhometownisnotthesameone_______itusedtobetwentyyearsago.thatthatthat//that//thatthatthat以下情况只能用that1先行词既有指人又有指物2当先行词前有序数词或形容词最高级时，有theonly,thevery等修饰时3先行词是all,much,anything,something,nothing等不定代词4主句是以who/which开头的特殊疑问句时5当先行词在定语从句中作表语时Corrections:1.Themanjustsaidhellotomeismychemistryteacher.who2.Whoisthecomradeyoujustshookhandswithhim.3.Egyptisacountrywhereisfamousforitspyramids.(wherewhich)4.ThisisthebestdictionarywhichIhaveeverused.(whichthat)5.Thehousewhereweliveinisnotverylarge.(wherewhich/that)6.Thehousethatitwasbuiltin1970stayedupintheearthquake.“介词＋关系代词”即“介词＋whom/which”引导定语从句应注意：1介词的选用至少要考虑以下的两个因素A.与...
