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1、江苏省赣榆县智贤中学高中英语Unit1Revision教案教学目标1.Remembersomephrasheswhatwehavelearned.2.Tolearnhowtousethemfreely.教学重点1.Remembersomephrasheswhatwehavelearned.2.Tolearnhowtousethemfreely.教学难点howtousethemfreely.学情分析Thestudentshavelearnedmorephrashes,butit’sdifficultforthemtouseth
2、ephrashescorrectly.sotheyshouldpractisemore.教学媒体PPT，Bb教学过程复备栏一．定语从句的概念：1、复合句中，修饰主句中某一名词/代词（或主句的全部内容）的从句称为定语从句。2、被修饰的名词/代词称为先行词。3、引导定语从句的词称为关系代词或关系副词4、关系代词或关系副词既指代先行词又在从句中充当某一成分Chinaisacountrythathasalonghistory.Thevillageisnolongertheonethatitusedtobe.二．关系代词和关系副词关系
3、代词词形指代对象做从句的成分特别说明which、as（也可指人）物/句子主、宾定语从句中，没有引导词what和how.that物/人主、宾、表who人主、宾whom人宾whose人/物定关系副词when(in/on/during+which)时间状where(in/at+which)地点Why(forwhich)原因判断方法：定语从句中缺主宾表时,常用that/which/who/whom定语从句中缺状语时,用where/when/why三．限制性定语从句和非限制性定语从句区别:1．翻译。限制性定语从句去掉从句后，意思表达不
4、完整；非限制性定语从句去掉从句后，意思基本相同。Heisamanwhomweshouldlearnfrom.Myfather,whoworksinahospital,oftenwarnsmenottosmoke.2.限制性定语从句，先行词一定是单独的名词或代词；非限制性定语从句，还可以是一个句子。Mikesoldthehouse,whichmadehisfatherveryangry.3.that,why不能引导非限制性定语从句。Ilikethebook,whichwasboughtyesterday.Ihadtoldthe
5、mthereason,forwhichIdidn’tattendthemeeting.4.限制性定语从句，关系代词which、that作宾语可省略；非限制性定语从句，关系代词不可省略。指人的关系代词作宾语时，只能用宾格whom，不能用who替换。Thisisthebook(which/that)helostyesterday.Thebook,whichhelostyesterday,hasbeenfound.DoyouknowTom,whomwetalkedabout?四：定语从句中关系代词通常只用that的情况1.先行词为
6、all,everything,nothing,something，anything等不定代词时。Iamsureshehassomething(that)youcanborrow.2.先行词被序数词或形容词的最高级修饰时Thisisthefirstbook(that)hehasread.3.先行词被few,little,no,some等修饰时。I’vereadallthebooksthatarenotmine.4.先行词被theonly,thevery,thesame,thelast等词修饰时。Thisistheveryboo
7、kthatI’mlookingfor.5.先行词既有人，又有物时。Lookattheseflowersandteachersthatwevisited.6.先行词在定语从句中充当表语时Heisnotthemanthatheusedtobe.7.主句是以疑问词who或者which开头的特殊疑问句时Whoistheboythatisplayingfootball?注意：先行词是those，he，someone,anyone,everyone指人时，关系代词常用who。Those______breakthelawcometoaba
8、dendintime.A.thatB./C.whoD.whom五：as与which的使用区别：1.非限制性定语从句中，as的先行词通常是整个句子2.as有“正如”和“就象”的意思，which通常翻译成“这”。3.which只可放在句中，as还可放在句首。4.as与so，such，thesa
