Unit4NaturalDisastersGrammar课件高中英语人教版

Unit4

DiscoveringUsefulStructureLeadinHowmuchdoyouknowabouttheattributiveclauses?Learningaims:1)Toidentifytheattributiveclauses(that/which/who/whom/whose).2）Tousethemfreelyintheexercises.定语从句的定义我们先了解定语的概念1.定语从句起形容词的作用，在句中修饰一个名词或代词。2.定语从句分为限制性定语从句和非限制性定语从句。3.被修饰的词叫先行词；引导定语从句的词叫关系词，包括关系代词和关系副词。4.关系词的作用：连接主句或从句；在从句中担当成分。

Self-learningguidance5')1)LookatthefollowingcontentinTaskabouttheattributiveclauses

onPPT.2)Tofindoutthethatandelements.3)Tofinishthechange-formedexercisesinP93.6HarryPorterisa

boy

whohasmagicpower.先行词关系词定语从句关系代词关系副词which,who,whom,whose,thatwhere,when，why1.that/which

Thedoctor(that)youarelookingforisintheroom.

(指人,作宾语)Amanthatisperfectlypleasedwiththepresentstateofthingsisafailure.

(指人,作主语)Thebuildingthat/whichstandsneartheriverisourschool.(指物，做主语)Isthisthebook(that/which)shewaslookingfor?(指物，作宾语)(1)that既可指人 也可指物；which用来指物.(2)that、which在定语从句中都可作主、宾语,作宾语时常可省略。Answers:Self-learningguidance(5')1)LookatthefollowingcontentinTaskabouttheattributiveclausesonPPT.2)Tofindoutthewho/whomandelements.3)TofinishtherelatedexercisesinP94.(1)who用于指人,可作主语和宾语,作宾语时可以省略。(2)whom只作宾语,跟在介词后时，不 能省略Answers:3.whose

1.Thisisthescientist

whose

nameisknownallovertheworld.

这就是那个全世界闻名的科学家。

2.Heboughtahouselastweekwhosewindowsaremadeofwood.

上周他买了一所房子,窗户是由木头做成的。whose

可指人，也可指物,在定语从句中作定语时,指人时，相当于ofwhom;指物ofwhichAnswers:3.TheboyiscalledLiLeiwhoseparentsweredeadintheflood.Mr.WangisthepolicemanwhosehousecaughtfirelastSunday.15如何选用定语从句的关系词1.首先分清主句和定语从句2.确定定语从句的先行词3.把先行词带回到定语从句中去，看其在定语从句中做什么语法成分（主语，宾语，定语或状语）4.若先行词在从句中做主语、宾语或定语则选择关系代词，若在从句中做状语，则选择关系副词。16Haveatry指出关系代词（副词）在定语从句中的成份：1.ThemanwhocametoourschoolisMr.Wang.()2.Thegirl(whom)ImetisLucy.()3.AchildwhoseparentsaredeadiscalledTom.()4.Ilikethebook(which)youboughtyesterday.()主语宾语定语宾语17如何选用定语从句的关系