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1、定语Theattribute（用来修饰、限定、说明名词或代词的品质与特征）可做定语：adj.noun.pron.num.prepphrase.Infinitive,participle,gerund,adv.clause1.Bobisabadman.（adj.）2.atelephonenumber(noun.)3.Thestudentsinthereading-roomareourclassmates.(prepphrase)4.threebooks(num.)5.givemesomethingtoeat(infinitive)6.aswi
2、mmingpool(gerund)7.aswimmingchild(presentparticiple)8.aboynamedTom(pastparticiple)9.thepeoplehere(adv.)10.thebookthatIboughtyesterday(clause)定语从句theAttributiveClause名词性从句（一）定义及相关术语1.定语从句：修饰某一名词或代词的从句叫定语从句。定语从句一般紧跟在它所修饰的先行词之后。2.先行词：被定语从句修饰的词叫先行词。3.关系词：引导定语从句的词叫关系词。4.关系词有关系代
3、词和关系副词关系代词有:that,which,who,whom,whose,as等关系副词有:when,where,why5.关系词通常有下列三个作用：A.引导定语从句；B.代替先行词；C.在定语从句中担当一个成分。Themanwhoisshakinghandswithmyfatherisapoliceman.LiMingisjusttheboy(whom)Iwanttosee.Thefactorywhichmakescomputersisfarawayfromhere.Hehasafriendwhosefatherisadoctor.(二
4、).定语从句的构成及种类:1>.Theschoolwhereweliveandstudyliesinthenorthofthetown.2>.I,whoamyourEnglishteacher,willtrymybesttohelpyou.限制性定语从句非限制性定语从句结构：先行词+关系词+定语从句Attributiveclause:限制性定语从句restrictive非限制性定语从句non-restrictive是先行词在意义上不可缺少的定语，如果去掉，主句的意思就不完整或失去意义。这种从句和主句关系十分密切，写时不用逗号分开。和主句关系
5、不很密切，只是对先行词作些附加说明，如果去掉，主句的意思仍然清楚。这种从句，写时往往逗号分开。Iwastheonlypersonwhowasinvitedinmyoffice.Jenny,withwhomIplayedtabletennisyesterday,livesinmynextroom.Themanwhocamehereyesterdayhascomeagain.ThatisMr.Wang,whosedaughterteachesEnglishatamiddleschool.注意：引导非限制性定语从句的关系代词不可用that，指人时
6、用who(主语),whom(宾语)，指物时须用which.注意区分下列几组句子的不同含义：Herbrotherwhoisnowasoldieralwaysencourageshertogotocollege.她那当兵的哥哥总是鼓励她上大学.（她还有其他哥哥）2.Herbrother,whoisnowasoldier,alwaysencourageshertogotocollege.她哥哥是当兵的，他总是鼓励她上大学（她只有一个哥哥）Allthebooksthathavepicturesinthemarewellwritten.所有里面带插图
7、的书都写得很好。（不带插图的书则不一定写得好。）4.Allthebooks,whichhavepicturesinthem,arewellwritten.所有的书都带插图，这些书都写得很好。（没有不带插图的书。）(三).如何使用引导词:1.关系代词主语宾语定语指代人指代物2.关系副词_______,______,______3.介词+关系代词who(that)whom(that)whosewhichthatwhichthatwhosewhenwherewhya.在限制性定语从句中关系词的用法：1)who/that指人，在从句中作主语。Hei
8、sthemanwho/thatvisitedourschoolyesterday.Heistheman.Hevisitedourschoolyesterday.whoWetalk
