高一英语(unit 6 语法 定语从句)课件.ppt

定语从句Teachingobjectives:1.理解何谓‘定语’‘定语从句’2.掌握引导定语从句的关系代词与关系副词的用法。3.灵活运用定语从句。4.全力以赴以极度的热情投入学习并享受学习的快乐温故知新Exercise1先分析讨论然后指出下列划线部分在句中充当什么成分并填在括号里。A1.TheboycomesfromAmerica.()2.Theteacherisspeakingtotheboy.()3.TheteacheristeachingtheboyChinese.()4.Theboy’sfatherisanengineer.()B1.Thepenisblack.()2.Mybrothergavemethepenasabirthdaypresent.()3.Ioftendidmyhomeworkwiththepen.（）4.Thecoverofthepenisblue.()5.Thepen’scoverisblue.()C1.Everythingwastrue.()2.Hekneweverything.()一、定语从句的三个概念:1.定语从句：用来做定语的句子叫定语从句。2.关系词：引出定语从句的词叫关系词。3.先行词：被定语从句所修饰的名词或代词叫先行词。二、关系词在从句中的作用：1.引导定语从句；2.关系词本身没有词义代替先行词的词义；3.必须充当定语从句中的一个成分.Aplaneisamachinethatcanfly.that=themachineTheboywhobrokethewindowiscalledTom.who=theboyTheboywhoseparentsaredeadarebroughtupbyhisgrandfather.whose=theboy’sCHetoldmeeverything______heknew.（）_____wastrue.（）小结归纳先行词在从句中所做的成分引导词只用that引导定语从句的情况：当先行词是everythinganythingnothingsomething等不定代词时e.g.IsthereanythingelsethatIcandoforyou?当先行词既有人又有物时e.g.Theytalkedaboutthepeopleandthingsthattheyrememberedintheolddays当主句以疑问词who或which开头时E.g.Whoisthemanthatshookhandswithyoujustnow?Quiz5.Thedoctor_______wemetinthestreetisfromAmerica.6.Thepassengersandthesuitcases_______wereinthewaitingroomhadtowaitforanotherplane.7.Whoisthegirl_______youwanttomakefriendswith?8.Thisisthelastlesson_______Mr.Smithtaughtus.（三）引导定语从句的关系副词有：wherewhenwhy等。关系副词在定语从句中也有三个作用：1980wastheyearwhenhewasborn.