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状语从句的定义与功能
:在复合句中担任状语成分的从句称为状语从句,
修饰主句的谓语动
词,形容词或副词。
状语从句的位置
:
状语从句同状语一
样
,
在句中的位置比较灵活
,
可置于句首
,
句未
,
或句中
.
状语从句位于句首时
,
常用逗号分开
,
状
语从句位于句尾时
,
其前一般不用逗号
状语从句的分类
:
根据意义和用途的不同,状语从句可分为:
1.
时间
2.
原因
3.
地点
4.
目的
5.
方式
6.
条件
7.
结果
8.
让步
9.
比较状语从句
条件状语从句
引导条件状语从句的连词有:
if,
unless, so/as long as(
只要
)
,
in case (
如果,万一
)
,
if only(
要是,只要
)
,
provided/p
roving (that)
(
假如
)
,
on condition that
(
只要
)
,
suppose/supposing(that)(
假定
p>
)
,
assuming that
,once
①
I’ll go
there
_________ he invites me.
②
_________ I
forget, please remind me about it.(
假使我忘了,
请提醒我
)
③
Take an
umbrella with you________it
rains.
(
带把伞吧,
万一下雨)
④
_________ he
has a chance, he will do great
things.
(只要他有机会,他就能干大事)
⑤
Suppose/Supposing(that)
he
can’t come, who will do the work?
⑥
Providing/Provided(that) there is no
opposition, we shall hold the meeting here.
【重点提示】
★同时间状语从句一样,条件状语从句如果表示将来时间,
要用一般现在时代替将来时。
★
in case
如位于句首,意思是“假如”
,位于句中和句尾,意思是“万一”
V
.方式状语从句
p>
引导方式状语从句的连词有:
as
(正如<
/p>
---
)
, as if/though
(仿佛
,
好象)
,
just as---so (
像
---
那样
)
①
Please do______
I do.
②
The child talks
_____
he_____
a man. ( be )
③
It looks_______
it_____ / _____
going to rain. (
be )
④
Just______
water is to fish, so air is
to man.
空气对于人,就像水对于鱼一样。
⑤
Just_____you
hate , so I dislike his wife.
正如你不喜欢格林一样,我也不喜欢他妻子。
【重点提示】
as if/as though
引导的方式状语从句一般用虚拟语气,
但如果从句中所陈述的情况很可能
实现,也可用陈述语气。
1.
---The experiment is of particular
importance.
---I see. We will carry on with it
_____ we can get enough money.
a.
until
b. unless
c.
whether
d.
however
2.
I won’t give you
any help ____ you tell me the truth. It’s none of
my business.
a.
Unless
b. since
c. if
d.
even if
3. ---Can I join you in the
game?
---Sorry, not____ you have finished
your homework.
a.
if
b. since
c. unless
d.
that
4. ---Do you think we can get
there on time?
---
Yes,___ the truck doesn’t
break down.
a.
even if
b. unless
c. until
d. so long as
5.
We won’t give up ___ we should fail ten
times.
a. even if
b.
since
c. whether
d. until
6.
.---
I’d like to invite you to my new
house next weekend.
---
Thank you, but ___ I’ll
have time I am not sure at the moment.
a. when
b. as
c. in case
d. unless
7.
.I don’t think I will
need any money but I will bring
some___.
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