资源描述：
《4语法复习四：定语从句》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、定语从句（-）定语从句一般由关系代词和关系副词引导1、关系代词：who,whom,whose,which,that,as2>关系副词：when,where,why.Sheisthegirlwhosingsbestofall.ThecomradewithwhomIcameknowsFrench.（二）限制性定语从句与非限制性定语从句1、限制性定语从句：从句与主句关系密切，去掉从句，主句意义不完整，甚至不合逻辑。Iwastheonlypersoninourofficewhowasinvited.2、非限制性定语从句：去掉定从句，意思仍然完整。形式上用逗号隔开，不能that用引导。Tom’sf
2、ather,whoisoversixty,stillworksharddayandnight.（三）使用定语从句时特别注意的几个问题1、that与which的区别。1）用that而不用which的情况:①先行词为不定代词all,anything,nothing,...；②先行词有最高级修饰，有序数词修饰；③先行词有only,very,any等词修饰；④先行词既有人又有物时。Thereisnothingthatcanpreventhimfromdoingit.ThefirstplacethattheyvisitedinGuilinwasElephantTrunkHill.Thisisthe
3、bestfilmthatIhaveeverseen.MrSmithistheonlyforeignerthatheknows.2）用which而不用that的情况：1）引导非限制性定语从句；2）介词+关系代词。Hehadfailedinthemathsexam,whichmadehisfatherveryangry.Thisistheroominwhichmyfatherlivedlastyear.3）as引导定语从句时的用法①as通常用于thesame...as,such...as结构中。Iwantthesameshirtasmvfriendzs.Suchmachinesasareus
4、edinourworkshoparemadeinChina.②通常用下歹1J句型：asisknowntoall,asissaid,asisreported,asisannounced,asweallknow,asIexpect等。AsIexpected,hegotthefirstplaceagaininthismid-termexamination.3）as引导非限制性定语从句时与which的区别①当主句和从句语义一致时，用as;反之，用which来引导非限制性定语从句。HemadeaIongspeech,asweexpected.Hemadealongspeech,whichwasun
5、expected.②当非限制定语从句为否定吋，常用which引导。Tomdrinksaloteveryday,whichhiswifedoesn'tlikeatalI.2.关系代词在从句中作主语时，从句的谓语动词单数还足用复数应由先行词决定。ThemanwholivesdownstairsspeaksEnglishfluently.ThestudentswhoareinGradeThreearegoingtoclimbthehilItomorrow.3.定语从句有时不直接紧常先行词，中间由一个定语、状语或谓语滿开。ThereisanexpressioninhiseyesthatIcan'
6、tunderstand.4.引导定语从句的关系副词有时可以用“介词+which”來代替。October1,1949wasthedayonwhich（=when）thePeople'sRepublicofChinawasfounded.5.当定语从句中调语动词是带介词或副词的固定短语动词时，短语动词的各个固定部分不拆开oThesickmanwhomsheislookingafterisherfather.6.介词在关系代词前，只能用which和whom,且不能省略；Theman(whom/who/that)youweretalkingabouthascometoschool.选择填空：1.
7、ThemanvisitedourschoolyesterdayisfromLondon.A.whoB•whichC.whomD.when2.Thewomanistalkingtomymotherisafriendofhers.A.whoseB.whoC.whomD.which3.Becauseofmypoormemory,alIyoutoldmehasbeenforgotten.A.thatB.whichC.whatD.as4.Do
