I didn't know if he ______ you if he ______ much time at this moment. [ ]A. would help; would have B. would help; had C. helped; would have D. will help-九年级英语

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No sooner had I arrived home than it began to rain.
Every time I listen to your advice, I get into trouble.

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.

3、原因状语从句
常用引导词:
because, since, as, for
特殊引导词:
seeing that, now that, in that, considering that, given that, considering that, as much as, so much as
My friends dislike me because I'm handsome and successful.
Now that everybody has come, let's begin our conference.
The higher income tax is harmful in that it may discourage people from trying to earn more.
Considering that he is no more than 12 years old, his height of 1.80 m is quite remarkable.

4、目的状语从句
常用引导词:
so that, in order that
特殊引导词:
lest, in case, for fear that,in the hope that, for the purpose that, to the end that
The boss asked the secretary to hurry up with the letters so that he could sign them.
The teacher raised his voice on purpose that the students in the back could hear more clearly.

5、结果状语从句
常用引导词:
so that, so… that, such … that,
特殊引导词:
such that, to the degree that, to the extent that, to such a degree that,
He got up so early that he caught the first bus.
It's such a good chance that we must not miss it.
To such an 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:
as/so long as, only if, providing/provided that, suppose that, in case 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.

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, whenever, however, whichever
Much as I respect him, I can't agree to his proposal.
尽管我很尊敬他, 我却不同意他的建议。
The old man always enjoys swimming even though the weather is rough.
No matter how hard he tried, she could not change her mind.
He won't listen whatever you may say.

8、比较状语从句
常用引导词:
as(同级比较), than(不同程度的比较)
特殊引导词:
the more … the more … ; just as …, so…; A is to B what /as X is to Y; no … more than; not A so much as B
She is as bad-tempered as her mother.
The house is three times as big as ours.
The more you exercise, the healthier you will be.
Food is to men what oil is to machine. 食物之于人,犹如油之于机器。

9、方式状语从句
常用引导词:
as, as if, how
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.

  • 状语从句用法:
    时间状语从句
    (1) when引导的时间状语从句
    ①.when引导的时间状语从句,其动词既可以是延续性动作的动词,也可以是瞬间性动作的动词,而且可以表示主句的动作和从句的动作同时发生,或者从句的动作发生在主句的动作之前。如:
    when you apply for a job, you must present your credentials.
    当你申请工作时,你必须递交你的有关证件。(同时)
    when the students heard the teacher’s footsteps, they all atopped talking.
    当学生们听到老师的脚步声时,他们都停止了讲话。(从句动作发生在前)
    ② when还可表示just then(正在那时,突然)的意思,此时其所引导的从句只放在主句之后。如:
    we were about to start when it began to rain.
    我们正要动身,突然天下起雨来。
    The game had hardly/scarcely/barely begun when it started raining.
    比赛刚刚开始就下起雨来。
    (2) as引导的时间状语从句
    as引导的时间状语从句其动词的动作是延续性的,而且侧重表示主句和从句的动作并相发生:
    We were having breakfast as she was combing her hair.
    她梳头时我们在吃早饭。
    It will warm up a little bit on Sunday as the cold front passes.
    寒流一过,星期日就会有点暖意了。
    (3) while引导的时间状语从句
    while表示“在某一段时间里”或“在……期间”,其所引导的从句的动作是延续性的,并侧重表示和主句的动作同时发生。如:
    When the teacher paraphrased the text in English, the students listened attentively and took notes.
    当老师用英语解释课文时,学生们聚精会神地听并做着笔记。
    I can learn while I work.
    我可以边工作边学习。
    (4) before引导的时间状语从句
    ① before“在……之前”
    I have finished my dissertation before my supervisor went abroad.
    在我的导师出国之前,我已完成了我的学位论文。
    I’ll be back before you have left.
    你离开之前我就会回来。
    ② before“……之后才”
    It may be many years before we meet again.
    可能要过许多年我们才能再见了。
    It was three days before I came back.
    他三天后才回来。
    (5) as soon as/once/directly/the instant等引导的时间状语从句
    as soon as 是最常见的表示“一……就”的从属连词,其他连词还有once,directly,immediately,instantly,the instant (that),the minute(that) ,the moment(that)等,它们通常都可与as soon as换用。如:
    As soon as we got home, the telephone rang.
    我们一到家,电话就响了。
    I recognized her immediately I saw her.
    我一看见她就认出她来了。
    Directly the teacher came in everyone was quiet.
    老师一进来,大家就静了下来。
    (6) hardly...when/no sooner...than引导的时间状语从句
    关联从属连词hardly/barely/scarcely...when和no sooner...than的意思是“刚……就”,它们所引导的从句中的谓语动词通常为过去完成时。如:
    He had no sooner (no sooner had he)arrived home than he was asked to start on another journey.
    他刚一到家,就又要他出另一次差。
    No sooner had the words been spoken than he realized that he should have remained silent.
    这些话刚一出口,他就意识到自己应该保持沉默。
    (7) since引导的时间状语从句
    在含有since引导的时间状语从句的复合句中,从句的谓语动词通常为一般过去时,主句的谓语动词通常为现在完成时、过去完成时和一般现在时:
    We’ve never met since we graduated from the college.
    大学毕业后我们就再没见过面。
    Great changes have taken place since you left.
    你走了以后,这里发生了巨大变化。
    (8) till/until引导的时间状语从句 till和until同义,作“直到……时(为止)”解,till多用于非正式文体,until多用于句首。如:
    Donald will remain in college until(till) he finishes his Ph.D course.
    唐纳德将留在学校直到完成他的博士学位课程。
    I won’t go with you until(till) I finished my homework.
    等我做完作业我才和你一起去。
    (9) whenever/each time/every time引导的时间状语从句
    whenever在引导时间状语从句时作“每当;每次”解,each time和every time与whenever同义,通常可以与它换用。如:
    The roof leaks whenever it rains.
    每逢下雨屋顶就漏雨。
    Whenever certain chemicals are mixed together,heat is produced.
    某些化学物质被混到一起时,就会产生热。
    Whenever/ Every time/ Each time I met her, she was studying.
    我每次看见她时,她总是在学习。

    状语从句 - 地点状语从句
    (1) when引导的时间状语从句
    从属连词where“在(或到)……的地方”
    Where there is a will, there is a way.
    有志者事竟成。
    Put it where you found it.
    把它放在原来的地方。
    ① where 在地点状语从句中,除指地点外,还可指处境等。如:
    He said he was happy where he was.
    他说他对自己的处境很满意。
    It’s your fault that she is where she is.
    她今天落到这个地步都怪你。
    ② 有时地点状语从句中的某些词可以省略。如:
    Fill in the blanks with the given phrases. Change the form where necessary.
    用所给的短语填空,必要的地方可以改变其形式。
    Avoid structure of this kind where possible.
    只要可能,就要避免这种结构。
    (2) wherever引导的地点状语从句
    从属连词wherever“在(或到)……的各个地方”:
    You can go wherever(anywhere) you like these days.
    这些天你可以去你想去的地方。
    Where (Everywhere) they went, the experts were warmly welcomed.

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