高考语法复习之状语从句及在基础写作中的运用

2.In peace，too，the Red Cross is expected to send help____there is human suffering. A.whoever B.however C.whatever D.wherever 3.--Mom，what did your doctor say？

--He advised me to live____the air is fresher.

A.in where B.in which C.the place where D.where

4.Parents should take seriously their children's requests for sunglasses____eye protection is necessary in sunny weather.

A.because B.though C.unless D.if

5.Jenny was very sad over the loss of the photos she had shot at Canada，____this was a memory she especially treasured.

A.as B.if C.when D.where

6.Roses need special care____they can live through winter. A.because B.so that C.even if D.as

7.I'd like to arrive 20 minutes early____I can have time for a cup of tea. A.as soon as B.as a result C.in case D.so that

8.You'd better take something to read when you go to see the doctor____you have to wait. A.even if B.as if C.in case D.in order that

9.His plan was such a good one____we all agreed to accept it. A.so B.and C.that D.as

六、条件状语从句 引导条件状语从句的有 if, unless, so/ as long as A.if

If he doesn't come at 8, we won't wait for him. 如果他八点不来，我们就不等他了。 We shall go there unless it rains tomorrow. 如果明天不下雨，我们将去那里。 B．unless

unless = if not意思是如果不、除非。

They will go tomorrow unless it rains.除非明天下雨，否则他们会去的。（They will go tomorrow if it doesn't rain.）

I won't let you in unless you show me your pass.如果你不出示通行证，我就不让你进来。（= I won't let you in if you don't show me your pass. ） C．so long as, as long as, 只要

As So long as we don't lose heart, we'll find a way to overcome the difficulty.只要我们不灰心，我们就能找到克服困难的方法。

七、方式状语从句

方式状语从句常由as, as if /as though等词引导。 A．as,其引导的方式状语从句通常位于主句后 Do in Rome as the Romans do. 入乡随俗。 Leave things as they are. 让一切顺其自然。

Please do as you are told.请按照人家告诉你做的去做。（也可说Please do as told.） B．as if, as though

由as if 或as though引导的状语从句可以用陈述语气表示可能符合事实的情况，用陈述语气，表示所说情况是事实或实现的可能性较大；也可以用虚拟语气的一般过去时或过去完成时表示与现在或过去不符的或与事实相反的情况。汉译常作\\\仿佛……似的\\\，\\\好像……似的\\\。 It looks as if the weather may pick up very soon. 看来天气很快就会好起来。（实现的可能性较大，谓语用陈述语气。）

She looks as if she is ill. 看上去她好象是生病了。

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由as if 或as though引导的状语从句也可以用虚拟语气表示与事实不符或与事实相反的情况。 a. 表示与现在事实不相符，用一般过去时

The teacher treats the pupil as if he were her own child. 这位老师对待这位学生就像自己的亲生孩子一样。 b. 表示与过去事实不相符，用过去完成时

He looks as if （as though） he had been hit by lighting. 他那样子就像被雷击了似的。 c. 表示与将来事实不相符，用would/ might/ could It looks as if it might rain. 天看上去好像要下雨。（不大可能下雨）

八、比较状语从句

比较状语从句由as, than引导。

A．as...as, the same as用于同等程度级的比较。否定句用not so/as -- as, not the same --as。 Our country is as big as the whole of Europe. 我们的国同整个欧洲一样大。 The result was not asso good as I had expected. 结果不如我预料的那么好。 She works in the same building as my sister.她和我的妹妹在同一大楼上班。 B．than

than表示不同程度级的比较

It rains mor often in Shanghai than in Beijing.上海下的雨比北京的多。

He is two inches taller than his father. = He is taller than his father by two inches.他比他爸爸高两英寸。 C．the more..., the more...

这是表示比例的比较，意思是越……就越……。第一个the more 也可以看成是一个条件。 The more you read, the better you understand. 你看的书越多，你懂得就越多。（= If you read more, you will understand better.）

The busier he is, the happier he feels. 他越忙越开心。

The more difficult the questions are, the less likely I am to be able to answer them. 问题越困难，我就越可能回答。

【必背】倍数的表达法：一些常见的倍数比较句型。 ①倍数+ 名词（+of +比较对象）。常用名词：age, size, width, length, depth等。 His father is double /twice his age.他爸爸的年龄是他的两倍。

Our new school is four times the size of the old one. 我们的新学校是老学校的四倍。 ②倍数+as……as+ 比较对象

His father is twice /double as old as he (is).他爸爸的年龄是他的两倍。

Our new school is four times as big as the old ne. 我们的新学校是老学校的四倍大。 ③倍数+形容词/ 副词比较级+than+ 比较对象

Our new school is three times bigger than the old one.我们的新学校比老学校大三倍。 The room is twice the size of that one.= The room is twice as big as that one. The room is twice bigger than that one.

1._____you call me to say you're not coming，I'll see you at the theatre. A.Though B.Whether C.Until D.Unless 2.---What would you do if it ___ tomorrow？

---We have to carry it on，since we've got everything ready. A.rain B.rains C.will rain D.is raining

3.You must keep on working in the evening____you are sure you can finish the task in time. A.as B.if C.when D.unless

4._______you've tried it，you can't imagine how pleasant it is. A.Unless B.Because C.Although D.When

5.In time of serious accidents，____we know some basic things about first aid，we can save lives. A.whether B.until C.if D.unless

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6.We won't keep winning games____we keep playing well. A.because B.unless C.when D.while

7.____environmental damages is done，it takes many years for the ecosystem to recover. A.Even if B.If only C.While D.Once

8.How can you expect to learn anything______you never listen？ A.in case B.even if C.unless D.when

九、让步状语从句

让步状语从句由although, though, however, whatever, whoever, whomever, whichever, whenever, wherever, whether（是否）, no matter (who, what, etc), even if, even though等词引导。 A．although, though这两个词意思一样，都解释虽然，尽管。 Although he is young, he is very clever.他尽管年轻，但很聪明。 Though he is poor, he is happy.他虽然穷，但很快乐。 B．even if, even though即使，两者可以通用。

We won't be discouraged even if though we fail ten times.我们就是失败十次也不泄气。

Even if though you fail, you will have gained experience.纵然你失败，你也会得到一些经验。 C．no matter (who, what, where, when, etc)这几个词引导的让步状语从句语气十分强烈。 This is not true, no matter who says so. 不管谁这么说，都不对。 Do it no matter what others say.不管别人怎么说，尽管干。

No matter how bus he was, he studied English every day.不管他多忙，他都每天坚持学习英语。 D．however, 在意思上和用法上都等于no matter how

However (=No matter how) expensive it may be, I'll take it.无论它有多贵，我也要买下它。 F．whether...or (not) ...

whether...or (not) ...意思是不管……还是……。

Whether you believe it or not, it's true. 不管你信不信，这是真的。 G．as

连词as，同though一样，也可以引导让步状语从句，但从句中要用特殊语序。

Young as he is, he knows a lot. 他虽然年轻，但懂得很多。(= Though he is young, he?.) Cold as it is, the children play outdoors.虽然天气冷，但孩子们仍在户外玩。 1. ________tomorrow，our ship will set sail for Macao.

A. However the weather is like B. However is the weather like C. Whatever is the weather like D. Whatever the weather is like 2. This is a very interesting book. I’ll buy it ________.

A. how much may it cost B. no matter how it may cost C. however much it may cost D. how may it cost

3. He tried his best to solve the problem， ________difficult it was. A. however B. no matter C. whateverD. although

4._________， I have to put it away and focus my attention on study this week. A. However the story is amusing B. No matter amusing the story is C. However amusing the story is D. No matter how the story is amusing

5. You should try to get a good night’s sleep ________much work you have to do. A. however B. no matter C. although D. whatever

6. We had to wait half an hour ________we had already booked a table. A. sinceB. althoughC. until D. before

7. ________he has limited technical knowledge， the old worker has a lot of experience. A. Since B. unless C. AsD. Although

8 Many of them turned a deaf ear to his advice， ________ they knew it to be valuable.

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A. as if B. now that C. even though D. so that 9._________， Carolina couldn’t get the door open.

A. Try as she might B. As she might try C. She might as try D. Might she as try 10._________， he talks a lot about his favorite singers after class. A. A quiet student as he may be B. Quiet student as he may be C. Be a quiet student as he may D. Quiet as he may be a student 一、用横线划出下列句子中的状语从句，并指出是哪种状语从句： 1. Child as she is, she knows a lot of things. 2. The more I can do for the class, the happier I’ll be. 3. He talks as if (as though) he knew all about it.

4. He is such a good teacher that the students love and respect him. 5.I shall go to the park unless it rains.

6. No sooner had I got home than it began to rain. 7. Where there is water, there is life.

8. He studied hard so that he could catch up with his classmates. 9. Since you are very busy, I won't trouble you. 10. Even if (though) I fail. I’ll never lose heart. 11. Once you begin the work, you must continue. 12. I will find her wherever she may be.

13. Now that you've come, you'd better have dinner with us. 14. He was so excited that he couldn't fall asleep. 15. We must do everything as he tells us. 16. India is much bigger than Japan.

17. No matter when you come, you are warmly welcome.

18. As (So) long as you work hard, you can catch up with the other classmates. 即时演练： 单句填空。

1.Peter was excited______ he received an invitation from his friend to visit Beijing.. 2.Nancy enjoyed herself so much______ she visited her friend in Sydney last year.

3.It just isn’t fair,_______ I was working as a waiter last month, my friend were lying on the beach. 4. _____ she grew older, she became more beautiful.

5.It is almost five or six years______ we saw each other last time. 6. You’d better not leave the medicine______ kids can get at it. 7.Jack didn’t marry_______he was forty-five.

8.The plane had took off _______he arrived at the airport.

9.______ he had lived in the south for nearly 20 years, he decided to go to seek his fortune in the north. 10.Bamboo grows well _____ it has plenty of rain. 11.The engine stopped running ______ the fuel was finished.

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