高一英语(unit 6 语法 定语从句)(精品).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=themachine
TheboywhobrokethewindowiscalledTom.
who=theboy
Theboywhoseparentsaredeadarebroughtupbyhisgrandfather.
whose=theboy’s
CHetoldmeeverything______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everything,anything,nothing,something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：
where,when,why等。
关系副词在定语从句中也有三个作用：
1980wastheyearwhenhewasborn.
when=in1980
TheschoolwhereIstudyisfarfrommyhome.
where=inschool
Lazinessisthereasonwhyyoufailed.
why=forthereason

__________hegave.()

C.That’sthereasonfor________hecried.()

_____________hecried.()