(共13张PPT)
连词
状语从句
主要可分为两类
并列连词
从属连词---用于引导复合句中的从句:
while
and
和
or
或者,否则
but
但是
so
因此
both…and…
两者都
either…or…
或者…或者…;
neither…nor…
既不…也不;
not only…but also…
不但…而且;
然而;但是
(动词用复数)
(选择问句)
(用于否定句)
并列连词:
John, Kelly_____ (和) I are good friends. (连接单词)
Study hard, ______ (否则)you’ll fall behind. (连接句子)
Are you coming by bus ____(或者) on foot (连接短语)
We are thirsty. I would like a bottle of orange, ___________(然而,但是)my friend would like some cold water. (连接句子)
and
or
or
but/ while
1、这里的天气既不太冷也不太热。
The weather here is ___________too hot ________too cold.
2、她不但美丽而且聪明。
She is ________pretty __________ clever.
3、不是你对就是我对。
_______ you _______ I _____ correct.
* either…or, neither…nor连接两个并列主语是,谓语动词要与“or”,“nor”后的主语一致。--- 就近原则
neither
nor
not only
but also
Either
or
am
Either you or she _______ correct.
is
从属连词--- 用于引导复合句中的从句,也叫从句的引导词。
1、用于引导条件状语从句:if 如果
2、用于引导时间状语从句:
3、用于引导原因、结果状语从句:
when / while 当…时候(while通常用于进行时)
before 在…之前; after 在…之后;
as soon as 一…就; until/till 到…时候 ;
since 自从
so + 形容词 + that + 句子 如此…以至于
because 因为; since 由于;
so that + 句子 以便于…
动词是延续性动词
The teacher speaks very loudly ___ all the students can hear her.
A. so that B. because
C. since D. when
2. The boy was _____ tired _____ he couldn’t
move.
A. too, to B. neither, nor
C. so, that D. either, or
3. A: Did you see who the driver was
B: No, the car ran so fast ____ I couldn’t
get a good look at his face.
A. that B. which C. as D. after
A
C
A
5、用于引导比较状语从句:
as…as和…一样; not so/as …as不如;
than 比…更; less…than比…更不;
the more…the more 越…越… ->
4、用于引导让步状语从句:though/
although 虽然…(但是); even though
即使; no matter who 无论谁=whoever;
no matter what 无论什么= whatever;
no matter how 无论怎样;->
连接条件状语从句:
1、You’ll be late _____(如果) you don’t get up early tomorrow.
2、I’ll come to see you _______(如果) I’m free next Saturday.
3、We’ll have a picnic tomorrow _______(如果) it doesn’t rain tomorrow.
注意状语从句的时态:“主句用将来时,
从句用一般现在时”。
if
if
if
as soon as
连接时间状语从句:
I was cleaning the floor _____(当…的时候) she knocked at the door.
Dick climbed up into a tree ____________(一…就) he saw the bear.
I knew nothing about it ____(直到...才) my friend told me yesterday.
I haven’t heard from Bill ______(自从) we graduated from middle school.
when
as soon as
until
since
since引导的从句,主句用现在完成时,
从句用过去时。
We have to get up at 7:15 tomorrow morning,
____ we will be late for the 7:40 train.
A. before B. or C. if D. so
2. During the earthquake, many buildings fell down
____ the people there didn’t give up hope.
A. And B. So C. Or D. But
3. Linda tried to become an excellent teacher,
____ at last she succeeded.
A. so B. or C. but D. and
B
D
D
否则
4. Don’t forget to wash your hands_____ you have
meals.
A. until B. before C. when D. while
5. A: Where was your brother at this time last night
B: He was writing an e-mail ____ I was watching
TV at home.
A. as soon as B. after C. until D. while
6. ____Sweizerland is very small, ____ it is the
land of watch and it is very rich.
A. Though, but B. Because, so
C. Because, 不填 D. Though, 不填
B
D
D
although, though 不能与but同时连用
7. ___ you ___ he is able to skate, but I am.
A. Both, and B. Not only, but also
C. Either, or D. Neither, nor
8. Alice is ____ young that she can’t dress herself.
A. such B. very C. so D. quite
D
C
9.____ he was ill, so he stayed at home.
A. So B. because C. Though D. /
because 不能与 so连用
D
10.He stopped playing baseball in 1998
______ his illness.
because of B. at the end of
C. next to D. instead of
A
11.He met many problems _____ he was going
over his lesson
A.before B. as soon as
C. Since D. while
D
12.Look left and right before you cross the road,
___ you may be hit by a car.
A. so B. and C. or D. but
C