2012中考英语语法点：状语从句

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        　　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 don't 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 can't 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. We'll 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 don't 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

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        　　6. If you _____ free tomorrow, we won't go for a picnic.
        　　A. aren't
        　　B. won't be
        　　C. weren't
        　　D. don't
        　　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 didn't work hard.
        　　A. If
        　　B. Because
        　　C. When
        　　D. So
        　　10. I'll go for a walk with you if it ______ tomorrow?
        　　A. won't rain
        　　B. doesn't 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 today's 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

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        　　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. boy's
        　　C. boys's
        　　D. girl's
        　　8. Don't 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. couldn't they
        　　B. could they
        　　C. can't they
        　　D. can they
        　　11."May I smoke here ?" "No, you _______."
        　　A. can't
        　　B. needn't
        　　C. mustn't
        　　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
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