第15讲：状语从句
状语从句是句子的状语由一个从句充当，来修饰主句中的动词，形容词或副词等。状语从句都由从属连词引导，与主句连接，放在句末时，一般不在前面加逗号。
状语从句根据它表示的意思可分为时间，原因，条件，比较，结果，目的等类。下面我们拣重点的一个一个来分析。
时间状语从句：是由when, as, while, after, before, since, until, as soon as 等从属连词引导的状语从句。时间状语从句中的谓语动词不能用一般将来时，只能用一般现在时表示将来发生的动作或存在的状态。 如:I will call you as soon as I arrive there.
原因状语从句： because, since, as和for都表示原因。常常令我们不知该用哪个好。我们来比较一下。because语势最强，回答why提出的问题，用来说明人所不知的原因。当能够很明显的看出原因或人们已知原因，就用as或since。如：I dont like that coat,because the color looks terrible. 由because引导的从句如果放在句末，且前面有逗号，则可以用for来代替。但如果不是说明直接原因，而是多种情况加以推断，就只能用for。如：He is not here, because / for his mother is ill.
目的状语从句：表示目的状语的从句可以由in order that, so that,等词引导。如：You must raise your voice so that/in order that everybody can hear you clearly.
结果状语从句：结果状语从句常由so...that 或 such...that引导，要掌握和区分这两个句型，首先要了解so和such后面分别跟什么词。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。so 还可与表示数量的形容词many, few, much, little连用，形成固定搭配。如：The box is so heavy that I cant carry it.
让步状语从句：是由though, although 引导的状语从句。though, although 和 but不能同时使用。
Although it rained, they had a good time.
练习：
1. She will find him a kind man when she _________him.
A. knows
B. know
C. will know
D. is going to know
2. Well go out for a walk as soon as it ________.
A. stops raining
B. raining
C. stop to rain
D. rain
3. The film was _____ interesting _____ everyone wanted to see it again.
A. too, to
B. so, that
C. not ,until
D. very, that
4. We dont understand the passage ______ there is few words in it.
A. and
B. if
C. though
D. because
5. You are sure to pass the exam _______ you study hard.
A. if
B. though
C. that
D. when
6. If you _____ free tomorrow, we wont go for a picnic.
A. arent
B. wont be
C. werent
D. dont
7. What was Jim doing _______ the teacher came in?
A. while
B. and
C. when
D. but
8. You must stop ______ the policeman say: stop!
A. that
B. if
C. then
D. until
9. --The boy failed to pass the English examination.
--______ he didnt work hard.
A. If
B. Because
C. When
D. So
10. Ill go for a walk with you if it ______ tomorrow?
A. wont rain
B. doesnt rain
C. will rain
D. rain
实践：
1. I get up ______ half past six every day.
A. in
B. on
C. at
D. for
2. I heard Robin ________ an English song last night.
A. sang
B. to sing
C. sing
D. sung
3. Is there _______ in todays newspaper?
A. important something
B. something important
C. important anything
D. anything important
4. _____ fine weather it is!
A. What a
B. What an
C. How
D. What
5. Where are your bikes?
________ is under tree, and _______ beside the wall.
A. Mine, her
B. Me, his
C. Mine, his
D. His, her
6. ______ students listened to the report.
A. Four hundred
B. Four hundred of
C. Four hundreds of
D. Four hundreds
7. Football was once a ______ game, but now more and more girls enjoy playing it.
A. boys
B. boys
C. boyss
D. girls
8. Dont move, _______ I will kill you!
A. and
B. or
C. so
D. but
9. There is _________ ink in my pen. Will you please give me _______ drops?
A. a few, a little
B. few , little
C. little, a few
D. little, a little
10.They could hardly believe it, _______?
A. couldnt they
B. could they
C. cant they
D. can they
11.May I smoke here ? No, you _______.
A. cant
B. neednt
C. mustnt
D. may not
12.His father ________ for six years.
A. has died
B. has been dead
C. has dead
D. has been death
13.There is ________ umbrella in the room. _______ umbrella is in the corner.
A. the, the
B. a, The
C. an, The
D. an, A
14.It was ______ the Christmas Eve that I first saw him.
A. at
B. in
C. on
D. by
15.She has an pencil in one hand, a pen in ________.
A. others
B. another
C. the other
D. the others
实践：
1. I get up ______ half past six every day.
A. in
B. on
C. at
D. for
2. I heard Robin ________ an English song last night.
A. sang
B. to sing
C. sing
D. sung
3. Is there _______ in todays newspaper?
A. important something
B. something important
C. important anything
D. anything important
4. _____ fine weather it is!
A. What a
B. What an
C. How
D. What
5. Where are your bikes?
________ is under tree, and _______ beside the wall.
A. Mine, her
B. Me, his
C. Mine, his
D. His, her
6. ______ students listened to the report.
A. Four hundred
B. Four hundred of
C. Four hundreds of
D. Four hundreds
7. Football was once a ______ game, but now more and more girls enjoy playing it.
A. boys
B. boys
C. boyss
D. girls
8. Dont move, _______ I will kill you!
A. and
B. or
C. so
D. but
9. There is _________ ink in my pen. Will you please give me _______ drops?
A. a few, a little
B. few , little
C. little, a few
D. little, a little
10.They could hardly believe it, _______?
A. couldnt they
B. could they
C. cant they
D. can they
11.May I smoke here ? No, you _______.
A. cant
B. neednt
C. mustnt
D. may not
12.His father ________ for six years.
A. has died
B. has been dead
C. has dead
D. has been death
13.There is ________ umbrella in the room. _______ umbrella is in the corner.
A. the, the
B. a, The
C. an, The
D. an, A
14.It was ______ the Christmas Eve that I first saw him.
A. at
B. in
C. on
D. by
15.She has an pencil in one hand, a pen in ________.
A. others
B. another
C. the other
D. the others