内容正文:
学有鸿鹄志展翅任翱翔
典鹅击
冀教版一九年级上册英语
鸡鹅击
单元语法聚焦
时间状语从句(before,after,as)&定语从句(who,that)
学有鸿鹄志展翅任翱翔
鸡鹅击
语法精讲
一、时间状语从句(before,after,as)
在复合句中,由时间连接词引导的状语从句叫时间状语
概
从句。一般来说,时间状语从句由when,while,as,after,
念
before,since,until,as soon as等引导。在本单元,我们主
要了解before,after,as引导的时间状语从句
学有鸿鹄志展翅任翱翔
鸡鹅击
意为“在…之前”,表
Please turn off the light
before
示主句的动作发生在从
before you leave the room.
句的动作之前
离开房间前请关灯。
After she finished
the
意为“在…之后”,表
work,she went to have
after
示主句的动作发生在从
supper.她完成工作后去
时间状语从句
句的动作之后
吃晚饭了。
表示“当…的时候;
She sang as she walked.
一边…一边”,其从
她边走边唱歌。
句的主语与主句的主语
I saw him as he was get-
as
往往是同一个人,侧重
ting off the bus.正当他
表示两个动作同时发生
下公共汽车时,我看见
或者一个动作随着另一
了他。
个动作的变化而变化
学有鸿鹄志展翅任翱翔
鸡鹅击
二、定语从句(who,that)
类型
who引导的定语从句
that引导的定语从句
that引导的定语从句修饰
人或物,that在定语从句中
who引导的定语从句修饰
作主语或宾语(修饰人时
人,who在定语从句中作
可用wh0替代,修饰物时
主语或宾语(作宾语时常
可用which替代)》
说明
用whom)
【注意】(1)同时修饰人和
【注意】修饰人时,关系词
物时,只能用that;
在介词后,只能用whom
(2)先行词前有最高级、序
数词、不定代词、the only
等时,只能用that
学有鸿鹄志展翅任翱翔
鸡鹅击
类型
who引导的定语从句
that引导的定语从句
I love singers who write
I like the teacher that/who
their own music..我喜爱自
is patient..我喜欢这位有耐
己作曲的歌手。
心的老师。
例句
The man who/whom you're
The book that/which is on
talking to is Mr.Li.刚才和
the desk is mine.课桌上的
你说话的那个人是李
那本书是我的。
先生。
学有鸿鹄志展翅任翱翔
鸡鹅击
语法精练
一、单项选择
)1.(2022+堰)Students love the teachers
are outgoing and humorous.
A.who
B.whom
C.which
D.whose
学有鸿鹄志展翅任翱翔
鸡鹅击
)2.The sky is much bluer
we have
taken action to protect the environment.
A.before
B.until
C.after
D.if
)3.(2022恩施州改编)China is the first
nation
sent Chang'e IV to the
far side of the moon.
A.which
B.that
C.who
D.whose
学有鸿鹄志展翅任翱翔
鸡鹅击
)4.Bruce can't have P.E.classes
his legs get well.
A.after
B.before
C.when
D.as
)5.He stayed up late last night.
he
woke up in the morning,the sun
was
already high up in the sky.
A.Until
B.After
C.While
D.As
学有鸿鹄志展翅任翱翔
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二、用before,after,as填空。
1.The trees became g
greener
it rained
yesterday.
2.Wash your hands first
you have
meals.
3.The mother took care of her babys
she
cleaned the room.
学有鸿鹄志展翅任翱翔