Unit1PeopleofachievementLearningaboutLanguage非限制性定语从句课件高二英语人教版选择性

Unit1Peopleofachievement汇报人高二英语教师：布艳南LearningaboutLanguage定语从句定语从句定语从句是在句子中担任定语功能，修饰主句中的某一名词或代词的句子。被定语从句修饰的名词、代词称为先行词；引导定语从句的词称为关系词。关系词连接先行词与定语从句，并代替先行词在从句中作一定的句子成分，有关系代词和关系副词。按照先行词的种类，把引导词分为五类：人：

物：

时间：地点：原因：whowhomwhosewhichthatwhosewhichthatwhenwhichthatwherewhichthatwhy注意

as引导限制性定语从句的主要结构有:thesame.....as;as......as;such......as;so......as。

主句中出现the

same,

as,

such,

so修饰先行词,需选择as做关系代词在定语从句中做主语或宾语。例,It's

thesamepersonaswewantedtofindyesterday.注意只用that不用which当先行词是序数词、形容词最高级或被这二者所修饰时，关系代词用that当先行词既有人又有物时，关系代词用that当先行词被theonly、thevery、thesame、thelast、theone等修饰时，关系代词用that当主句有who、或which时，为避免重复，关系代词用that当先行词为something、anything、everything、nothing、none、little、few、all等不定代词时，或由every、all、any、some、much、few、no等不定代词修饰时，关系代词用that非限制性定语从句Non-restrictiveRelativeClauses非限制性定语从句的作用

非限制性定语从句只是对先行词的补充、解释或附加说明,即使去掉主句的意思仍然完整。它与主句之间一般用逗号分开,常常翻译成与主句并列的句子。定语从句限制性定语从句非限制性定语从句TheyaredogswhicharewhiteTheyaredogs,whicharewhite限制性定语从句Ilikedogs.我喜欢狗子Ilikedogswhichareugly.我喜欢丑丑的狗子范围变小限制性定语从句Thedoghuggedmumwholoveshim.狗子拥抱了那个爱他的妈妈Thedoghuggedmum,wholoveshim.狗子拥抱了妈妈，妈妈爱他。范围不能被缩小定语从句限制性定语从句非限制性定语从句缩小一个事物的表示范围提供有关这个事物的附加信息按照先行词的种类，把引导词分为五类：人：

物：

时间：地点：原因：whowhomwhosewhichwhosewhichwhenwhichwherewhich1.as引导限制性定语从句的主要结构有:thesame.....as;as......as;such......as;so......as。

主句中出现the

same,

as,

such,

so修饰先行词,需选择as做关系代词在定语从句中做主语或宾语。例：It's

thesamepersonaswewantedtofindyesterday.2.as引导非限制性定语从句，指代整个主句内容，从句可置于句首、句中、句尾。例:Aseveryoneknows,Chinaisabeautifulcountrywithalonghistory.3.非限制性定语从句中的谓语动词为被动式时，常用as做主语。例：besaid/known/announced/reported/disscussed......友情提醒as引导非限制性定语从句时,常用于下列一些固定结构中asisexpected不出所料asismentionedabove正如上面所提到的asweallknow/asisknowntoall众所周知asisreported正如所报道的asisoftenthecase这是常有的事ashasbeensaidbefore如上所述whichas位置上指代整个主句指代主句的一部分句中指代整个主句句中、句首、句尾搭配上无动词的限制多用于固定搭配中：asisoftenthecase这是常有的事aswasexpected不出所料asoftenhappens正如经常发生的那样asisknowntoall众所周知ashasbeensaidbefore如前所述asismentionedabove正如上面所提到的意思上意为“这一点；这件事”表示“正如……，正像……的那样”as与which引导非限制性定语从句时的区别完成练习1.I’matanage_______Idon’tknowwhatloveis,butyoursweetsmilestilltouchesme.2.Thankyouforyourletter,_____reallymademehappy.3.AccordingtotheGuinnessWorldRecordstheoldestmanintheworldis111yearsold,______nowlivesinJapan.4.FanZhongyanwaspromotedtoahigh-levelposition,_______hewasabletoadvisetheemperorongovernmentpolicy.5.Therearemanythingsindifferentareas___________wecandotoreducethepossibledangersofAIDS.when

which

who

where

that/which

6.____isoftenthecasewitholdpeople,mygrandfatherisfondoftalkingaboutgoodolddays.7.Understandinghergoodintentions,Ieatallthefood_____isprovidedbyMomwithappreciation.8.In1888GandhisailedtoEngland,_________hestudiedlawforthreeyearsandbecamealawyer.9._____istypicalofmodernnovels,theplotisn'tveryimportant,insteadtheemphasisisonhowcharactersreacttoordinaryevents.10.EBay,AmazonandWal-Martarepopularwebsites_______________peoplecansellgoodstoeachother.Asthatwhere

Aswhere/onwhichDiscoverusefulstructurePara.2Para.3限制性定语从句与非限制性定语从句的区别区别限制性定语从句非限制性定语从句作用不同说明的是先行词必不可少的情况,关系紧密，删除后影响