seduced-entail
状语从句
什么是状语? 状语修饰动词、形容词、副词或整个句子。
1.
Naturally, our grandparents were pleased to
get our phone call.
2.
We worked hard,
from sunrise to sunset.
3.
To help my
disabled aunt, I spend an hour working in her
house every day 4. Seen from a
distance, the
farmhouse looked deserted.
5. I know how to
light a camp fire because I had done it before.
状语的位置比较灵活,可以位于句首、
句末或句中。
什么是状语从句?
状语从句指句子用作状语时,起副词作用的句子。它可以修饰谓语、非谓语动词、定
语、
状语或整个句子。状语从句一般由连词 (从属连词 )引导,也可以由词组引起。
根据其作用状语从句可分为:
1. 时间状语从句
2. 地点状语从句
3. 原因状语从句
4. 条件状语从句
5. 目的状语从句
6.
让步状语从句
7. 比较状语从句
8. 方式状语从句
9. 结果状语从句
状语从句的时态特点
一般情况下,时间和条件状语从句的谓语动词一般用 “一般现在时
”表示“一般将来 时”,用
“现在完成时 ”表示“将来完成时 ”。
I will
call you as soon as I arrive in Beijing.
As
soon as I have finished this work, I will go home.
If he comes back, please let me know.
1.时间状语从句
常用引导词: when, as, while, as soon
as, before, after, since , till, until 特殊引导词: the
minute,
the moment, the second, every time,
the day ,the instan
t, immediately , directly,
no sooner …than, hardly …when, scarcely …when
I didn'trealize how special my mother was
until I became an adult.
While John was
watching TV, his wife was cooking.
The
children ran away from the orchard( 果园 ), the
moment they saw the guard
No sooner
had I arrived home, then it began to rain.
Every time I listen to your advice, I get into
trouble. 表示一 就
除 as soon as 外,还有三类:
名词型
—— the moment, the minute, the second, the instant
; 副词型 —— immediately, directly,
instantly ;
句式型 ---- no sooner …than …,hardlyscarcely
…when …
The moment I saw him, I fell in love
with him.
I came immediately you called.
你一给我打电话,我就马上来。
I had no sooner got home than
it began to rain. 我一到家,就开始下雨。
【注意】
如果
hardly, scarcely 或 no sooner 置于句首,句子必须用倒装结构。
HardlyScarcely had I got home
when it began to
rain.
No sooner had I got home than it began
to rain.
在时间状语从句中,不能用一般将来时、过去将来时态或将来完成时,而要用相应的一般现
在时态、
一般过去时或现在完成时来代替。
When, while, as( 一边
... 一边 ...), after, before, as soon as, since,
till until, time( 到。。。为
止 , 所在句子的主句应用完成时 )
Mozart started writing music when he was four
years old.
He visited a lot of places while he
was traveling.
He left the classroom after he
had finished his homework the other day. when,
while 和 as 的区别
when
引导的从句的谓语动词可以是延续性的动词,又可以是瞬时动词。并且
有时表示 就在那时
”
,
when = and then; at that moment。
When she came in, I stopped eating.
When I
lived in the countryside
,
I used to carry
some water for him.
We were about to leave
when he came in.
While
引导的从句的谓语动词必须是延续性的,并强调主句和从句的动作同时发生 (或者相对
应)。并且
while 有时还可以表示对比。
While my wife was reading the
newspaper
,
I was watching TV.
I like
playing football while you like playing
basketball.
As表示
一边……一边”,as引导的动作是延续性的动作,一般用于主句和从句动作 同时发生;
as
也可以强调 “一先一后。
We always sing as we walk.
As
we was going out
,
it began to snow.
before 和 after 引导的时间状语从句
before 的本意为 “在……
之前”,根据具体语境还可理解为 “还没来得及 还没有 …… 就 着还
没……就……
,不知不觉就 …… , ……才……”等。
After
表示主句动作发生在从句动作之后。
It will be four days before
they come back.
Einstein almost knocked me
down before he saw me.
My father had left for
Canada just before the letter arrived. They had
not been married four months
before they were
divorced. After you think it over, please let me
know what you decide. After we had
finished
the work, we went home.
till 或 until 引导的时间状语从句
till 和 until 一般情况下两者可以互换,但是在强调句型中多用 until 。
如果主句中的谓语动词是瞬时动词
时,必须用否定形式;如果主句中的谓语动词是延续
性动词时,用肯定或否定形式都可以,但表达的意思
不同。
I didn't go to
bed until ( till ) my father came back.
It was
not until the meeting was over that he began to
teach me English.
I worked until he came back.
我工作到他回来为止。
I didn't work until he came back.
他回来我这才开始工作。
由 since 引导的时间状语从句。
since
引导的从句的谓语动词可以是延续性的动词,又可以是瞬时动词。一般情况下,
从句谓
语动词用一般过去时,而主句的谓语动词用现在完成时。但在 It is +时间+ sinc
e 从句的句型
中,主句多用一般现在时。
I have been in Beijing
since you left.
Where have you been since I
last saw you?
It is four years since my sister
lived in Beijing. 我妹妹不在北京住有四年了。
It is five
months since our boss was in Beijing.
我们老板离开北京有五个月了。
when
by the
2.地点状语从句
常用引导词: where
特殊引导词: wherever, anywhere,
everywhere
Generally, air will be heavily
polluted where there are factories.
Wherever
you go, you should work hard.
句型 1: Where
+地点从句,( there )+主句。
Where there is no rain,
farming is difficult or impossible.
They were
good persons. Where they went, there they were
warmly welcomed. You
should have put the book
where you found it.
Where the Communist Party
of China goes, there the people are liberated. 句型
2:
Anywhere wherever +地点从句,+主句。
Wherever
the sea is, you will find seamen.
,趁
3.原因状语从句
常用引导词: because, since, as,
for
特殊引导词: seeing that(由于,鉴于),now that(既然),in
that, considering that(考
虑到),given that(考虑到).
My friends dislike me because I ' mhandsome
and successful.
Now that everybody has come,
let ' s
)
egin our conference.
Considering that he is no more than 12 years
old, his height of 1.80 m is quite remarkable.
Seeing that you ' reilready at the door, I
suppose I must in vite you in side.
Considering he
's
nly sixteen year old,
he is not fit for the job.
Given that she is
interested in children, I am sure teaching is the
right career for her. because, since,
as, for
辨析
1) because语势最强,用来说明人所不知的原因,回答
易见的或已为人们所知,就用 as或since。
why提出的问题。当原因是显而
I didn ' tgo, because I was afraid.
Since
As the weather is so bad, we have to delay our
journey.
2) 由because引导的从句如果放在句末,且前面有逗号,则可以用
不是说明直接原因,而是多种情况加以推断,就只能用
He is absent
today, becaus e for he is ill.
He must be
ill, for he is absent today.
3) as和for的区别:
通常情况下,as引导的从句在主句前, for引导的从句在主句后。
for。
for来代替。但如果
As the weather is cold, I stay
at home.(同义句)
I stay at home, for the weather
is cold.
4. 目的状语从句
常用引导词: so that, in
order that
that, in the hope that, for
thepurpose that, 特殊弓丨导词:lest, in case, for fear
to the end that
The boss askedthe
secretary
The teacher raised
e clearly.
to hurry up with the letters so that hecould
could
sign them.
hear mor his voice on
purpose that the students in the back
5.
结果状语从句
常用引导词: so…that, such…that,
特殊弓丨导词:
such that, to the degree that, to the extent that,
to such a degree that,
(such是形容词,修饰名词或名词词组, so是副词,只能修饰形容词或副词。
He
got up so early that he caught the first bus.
It 's uch a good chance that we must not miss
it.
To such a degree was he excited that he
couldn 't sleep last night.
6.条件状语从句
常用引导词: if, unless,
特殊引导词: asso long as,
only if, providingprovided that, supposing that,
in ca se that, on condition
that
We'll
start our project if the president agrees.
You
will certainly succeed so long as you keep on
trying.
Provided that there is no opposition,
we shall hold the meeting here.
条件状语从句和时间状语从句
一样,从句的谓语动词不能用一般将来时态、过去将来时态
或将来完成时,而要用相应的一般现在时、一
般过去时和现在完成时来替代。
Tell me
in case you get into difficulty.
Supposing he
does not come, shall we go without him?
7.让步状语从句
常用引导词: though, although, even if,
even though
特殊引导词: as(用在让步状语从句中必须要倒装 ),while (
一般用在句首
)
,no
matter …, in spite of the
fact that, while, whatever, whoever, wherever,
when ever, however, whichever
Much as I
respect him, I can't agree to his proposal.
The old man always enjoys swimming even though
the weather is rough.
No matter how hard he
tried, she could not change her mind.
as,
though 引导的倒装句
as though 引导的让步从句必须表语或状语提前
(形容词、副词、分词、实义动词提前)
Child as though he was, he
knew what was the right thing to do.
= Though
he was a small child, he knew what was the right
thing to do.
注意:
a. 句首名词不能带任何冠词。
b.
句首是实义动词,其他助动词放在主语后。如果实义动词有宾语和状语,随实
义动词一起放在主
语之前。
Try hard as he will, he never
seems able to do the work satisfactorily.
=
Though he tries hard, he never seems
no matter
who = whoever
no matter
when =
whenever
no matter where wherever
no matter which
no matter how =
however
注意: no matter 不能引导主语从句和宾语从句。
whichever
(错) No matter what you say is of
no use now.
对) Whatever you say is of no use
now.
错)
Prisoners have
to eat
no matter
what they 'regiven,
they'
regiven.
对)
Prisoners have
to eat whatever
8.比较状语从句
特殊引导
词:
X
is to Y; no
She is as
常用引导词:as(同级比较
),
than(不同程度的比较
)
the more …the more …; just as …, so …
; A
is to B what as
… more than; not A so
much
bad-tempered as her mother.
as B
The more you exercise, the healthier you
will be.
Food is to men what oil is to
machine. no more than 只不过 (嫌少的意思 ) not more than
不
如。。。 (前者不如后者 )
I have no more than two
pens.
It 'nso more than a mile to the shops.
Jack is not more diligent than John.
one of
the +名词
(
复数
)
….之一(用于最高级
)
Han
Mei is one of the best students in our school.
9.方式状语从句
常用引导词: as, (just) as…so…,as
ifthough(”正如…就像)
特殊引导词: the way
When in
Rome, do as the Roman do.
She behaved as if
she were the boss.
Sometimes we teach our
children the way our parents have taught us.
as if, as though
两者的意义和用法相同,引出的状语从句谓语多用虚拟语气,表示与事实相反,有
时也用
陈述语气,表示所说情况是事实或实现的可能性较大。汉译常作
好像……似的
They completely ignore these facts as if (as
though) they never existed. He looks as if (as
though)
he had been hit by lighting.
仿佛……似的 ,
状语从句的省略
状语从句同时具备下列两个条件 :
① 主句和从句的主语一致,或从句主语为 it;
② 从句主要动词是 be
的某种形式。从句中的主语和 be 动词常可省略。
When ( the
museum is ) completed , the museum will be open to
the public xt year .
He' ll go to the seaside
for his holiday if (it is ) possible.
另外,比较状语从句经常省略。
I 'mtaller than he (is tall ).
The higher the temperature (is), the greater
the pressure (is ).
状语从句的 省略 现象常存在于以下五种状语从句中 :
①由 if, unless 等引导的条件状语从句
②由 although,
though, even if though 等引导的让步状语从句
③ 由 when,
while, as, before, after, until till 等引导的时间状语从句
④ 由 as, as if 等引导的方式状语从句
⑤ 由 as, than
等引导的比较状语从句。 下面针对这五种情形作归纳。
ne
⑴
当状语从句的主语是 it,且谓语动词是 be时,it和be要完全简化掉。
If (it is) possible, he will help you out of
the difficulty.
You must attend the meeting
unless
(it is) inconvenient to you
,
从句可以将主语和 be 动词简化掉。常用
(2) 当状语从句的主语和主句的主语一致时
于以下几种情形 :
a?连词+形容词
As (he was) young,
he learned how
to ride a bike.
Whenever
(she is) free, she often goes shopping.
Work
hard when (you are) young, or you'll regret. b. 连词
+ 名词
While (he was) a young boy, he was always
ready to help others.
Although (he was) a
farmer, now he is a famous director.
c.
连词+现在分词
As (she was) walking along the river
bank, she was singing a pop song.
Although (he
is) doing his best in maths these days, he has
still got no good arks.
d. 连词+过去分词
He
won't go there with us unless (he is) invited.
The concert was a great success than (it was)
expected.
e. 连词 + 不定式
He stood up as if
(he were) to say something.
He wouldn't solve
the problem even if (he were) to take charge.
f. 连词 +介词短语
She looked anxious as though
(she was) in trouble.
He had mastered the
English language before (he was) in the USA.
注意 : 当从句主语和主句主语不一致时
构来表达。
When the
meeting was over, all the people went out of the
meeting-room.
,从句部分要么用完全形式 ,要么用独立主格结
状语从句
1 ----- 5. DACBB
16
----- 20. BBCCD
31 ----- 35. BACBC
46
----- 50. AADAD
6 ------ 10. BADDC
21
---- 25. CADDA
36 ---- 40. ADDDB
11
----- 15. BBDCD
26 ----- 30. BBDAA
41
----- 45. DDBBB
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