【课件】Unit5Discovering+Useful+Structures定语从句课件人教版（2019）必修第一册.pptx

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1、GrammarThe Attributive Clause(prep+which/whom)1.where,when,why=prep+which2.The general rules of“prep+whom/which”核心知识核心知识定语从句的关系词有：定语从句的关系词有：关系代词关系代词:关系副词关系副词:that,which,aswho，whom,whosewhen,where,why新课教学新课教学I know a place _ we can have a picnic.I know a place_is famous for its beautiful natural scen

2、ery.Compare:wherewhich/that先行词是地点先行词是地点,从句中缺状语，用从句中缺状语，用where引导定语从句。若定语从句缺引导定语从句。若定语从句缺主语或宾主语或宾语语，用，用which或或that引导定语从句。引导定语从句。I will never forget the days _we spent our holidays together.I will never forget the days _ we spent together.when which/thatwhen在定语从句中作时间在定语从句中作时间状语状语。若定语。若定语从句缺主语或宾语，用从句缺主语

3、或宾语，用which或或that引引导定语从句。作导定语从句。作宾语宾语可省。可省。This is the reason_ he was punished.This is the reason _ he explained to me for the accidentwhich/thatwhy先行词是表示原因的名词先行词是表示原因的名词the reason，用，用why引导定语从句引导定语从句,在从句在从句作状语作状语。若从句中缺主。若从句中缺主语宾语则用语宾语则用which/that。PracticenFill in the blanks with where,when,why,or whi

4、ch,that.Pay attention to their differences.1.The library _ students often study was on fire last night.2.The library,_ was built in the 1930s,needs repairing.3.The library _ you visited yesterday was built in 1990.where/in whichwhich（which/that)4.Ill never forget the day _ we first met in the park.5

5、.Ill never forget the time _ I spent on campus.6.Ill never forget the time _ was spent with you.7.This is the reason_I didnt come here.8.The reason _ she gave was not true.when/on which（whichthat）whichthatwhy/for which(whichthat)Your conlusion1.关系代词关系代词that,which,who，whom等在从句中作等在从句中作_ _.2.关系副词关系副词 w

6、hen，where，why等在从句中作等在从句中作_可由某一可由某一“_+which”替换。替换。主语主语宾语宾语状语状语介词介词“介词介词+关系代词关系代词”引导定语从引导定语从句句 基本规则基本规则新课教学新课教学介词介词+关系代词关系代词 1The man whom you spoke was a scientist.The city which she lives is far away.toin介词介词+关系代词关系代词 2The man who/whom you spoke was a scientist.The city that/which she lives is far a

7、way.toinAre these two sentences right?介词介词+关系代词关系代词The man who/whom you spoke was a scientist.The city that/which she lives is far away.toin Are these two sentences right?who、that 不能用与介词之后不能用与介词之后 1.1.关系代词在定语从句中作关系代词在定语从句中作介词宾语介词宾语时，时，介词常介词常可提前。可提前。此时，关系代词此时，关系代词_省略。省略。2.“介词介词+关系代词关系代词”在从句中作在从句中作_。3

8、.先行词是人时用先行词是人时用_指物时用指物时用_。状语状语“介词介词+whom”“介词介词+which”不可不可Tips PracticeComplete the sentences with whom,who,that,which or 介词介词+whom/which1.This is the boy_I played tennis with yesterday.=This is the boy_I played tennis yesterday.2.The school_ he once studied in is very famous.=The school _ he once st

9、udied is very famous.(whom/who/that)(which/that)with whomin whichFill in the blanks with“介词介词+关系代词关系代词”1.This is the room_they once lived.n2.Ill never forget the day_ I joined the army.n3.This is the reason_ I failed.n4.The pencil_he wrote was broken.n5.The girl _ Mr Li is talking is my sister.in whichon whichfor whichwith whichof/about/with whomMore practice HomeworkRead P70 of“三维设计三维设计”andthink it over:How to choose a preposition?