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1、unit9 I like music that ican dance to定语从句巧学妙记程娟(慕礼中学)【定语从句】：基本概念：在复合句中，修饰某一名词或代词的从句叫定语从句。如：Doyouknowthemanwhospokeatthemeetingjustnow? Thatisthehousewherehelivedtenyearsago.定语从句所修饰的词叫先行词；定语从句一般用关系代词或关系副词来引导，关系词放在先行词与定语从句之间起连接作用，同时又作从句中的一个成分。 引导定语从句的关系代词有：that,who,whom,whose,which;关系副词有：
2、when,where,why.学会分析句子成分学会定语从句的关键主语宾语定语状语主语一句话中，行为的主导者，即该句话中，动作的执行者。常放于句首。宾语定语状语主语行为的对象，即动作的承受者，常由名词或者代词担任。放在及物动词或者介词之后。用来说明或者限制名词的成分，常用形容词或者相当于形容词的短语或从句担任。这里指该句话中，动作所发生的时间或地点，即时间状语或地点状语TheteacherwithglassestaughtEnglishinthatschoollastterm.主语定语宾语地点状语时间状语1.Themanisaworker.2.Themanisspeak
3、ingatthemeeting.合并句子:Themanwhoisspeakingatthemeetingisaworker.引入定语从句概念:在复合句中修饰名词或代词的句子.Maryisabeautifulgirl.Maryisagirlwhohaslonghair.形容词作定语句子作定语,修饰girl,叫做定语从句Maryisagirl.Maryhaslonghair.合并为一个句子Maryisagirlwhohaslonghair.先行词关系词定语从句Maryisagirlwhohaslonghair.关系代词关系副词that,who,whom,whose,whi
4、chWhere,when定语从句的结构关系词的作用：指代先行词，又在从句中充当相应的句子成分。定语从句的用法:当先行词是物时,用that或which引导.Thesearethetreesthat/whichwereplantedlastyear.当先行词是人时,用who/that引导.Themanwho/thatIvisitsdyesterdayismyuncle.定语从句的用法:当先行词是地点时,用where引导.当先行词是时间时,用when引导.ThisistheschoolwhereIusedtostudy.Winteristhetimeofyearwhenth
5、edaysareshortandnightsarelong.注意：先行词虽然是地点或时间，但是当地点或时间在从句中充当主语，宾语或定语时，仍然用that/which.Thisistheroomthat/whichIlivedin.September18thisthedaythat/whichalltheChineseneverforget.宾语下列情况只能用that1.当先行词被序数词或形容词最高级修饰时。eg.TomisthecleverestboythatIhaveeverknown.2.当先行词是指物的不定代词时。如：all,anything,something
6、,nothing,none,theone,everything,little,few,much,any。eg.Hereissomething(that)Iwilltellyou.3．先行词被theonly，thevery，thelast等修饰时。下列情况只能用thateg.Thisistheonlynovelthatyouwanttoborrow．4．先行词是或被all，no，some，any，little，much等修饰时。eg.I'vewrittendownallthethingsthattheteacherdoesn'tallowustodo．5．先行词是人和物
7、的名词时,用that,既不用which,也不用who。eg.Hetoldusmanyinterestingthingsandpersonsthatwehadneverheard．下列情况只能用that6.主句的主语是疑问词who/which时,为了避免重复。eg.Whoisthegirlthatiscrying？eg.Whichisthebikethatyoulost?下列情况只能用which1.介词前置时，不用that。即介词提在定语从句前。2.非限制性定语从句不用thateg.Thisistheroominwhichhelives.eg.The
