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1、状语从句讲解和练习状语修饰动词、形容词、副词或整个句子。通常由副词、介词短语、动词不定式、分词和从句等担当。例如： 1. Naturally , our grandparents were pleased to get our phone call . (副词) 2. We worked hard , from sunrise to sunset . (介词状短语) 3. To help my disabled aunt , I spend an hour working in her house every day . (不定式) 4. Seen from a distance , the
2、farmhouse looked deserted . (过去分词) 5. I know how to light a camp fire because I had done it before .（原因状语从句） 状语的位置比较灵活，可以位于句首、句末或句中。enough用作状语修饰形容词和副词时必须后置。 状语从句主要用来修饰主句或主句的谓语。一般可分为九大类，分别表示时间、地点、原因、目的、结果、条件、让步、比较和方式。尽管种类较多，但由于状语从句与汉语结构和用法相似，所以理解和掌握它并不难。状语从句的关键是要掌握引导不同状语从句的常用连接词 和特殊的连接词即考点。现分别列举如下: 1
3、 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 instant, immediately , directly, no sooner than, hardly when, scarcely when I didnt realize how special my mother was until I became an adult. While John was
4、 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. 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
5、heavily polluted where there are factories. Wherever you go, you should work hard. 地点状语从句一般由连接副词where, wherever等引导，已经形成了固定的句型，例如： 句型1：Where地点从句，（there）主句。 【注意】此句型通常译成“哪里哪里就”；主句在从句后面时，there可用可不用；如果主句在从句的前面时，一般都不用there。例如： Where there is no rain, farming is difficult or impossible.在没有雨水的地方，耕作是困难的，或根本不
6、可能的。 They were good persons. Where they went, there they were warmly welcomed. 他们都是好人。因此他们走到哪里都受到热烈欢迎。 You should have put the book where you found it. 你本来应该把书放回原来的地方。 Where the Communist Party of China goes, there the people are liberated.哪里有了中国共产党，哪里人民得解放。 句型2：Anywhere/ wherever地点从句，主句。 【注意】anywhe
7、re本身是个副词，但是，常可以引导从句，相当于连词，意思相似于wherever, anywhere引导的从句可位于主句之前，也可以位于主句之后。 而wherever本身就是个连词，表示“在何处，无论何处”。例如： Wherever the sea is , you will find seamen.有海就有海员。 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. My friends dislike me because Im han
8、dsome and successful. Now that everybody has come, lets begin our conference. The higher income tax is harmful in that it may discourage people from trying to earn more. 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 Th
9、e 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, such that, 特殊引导词：such that, to the degree that, to the extent that, to such a degree that, He got
10、up so early that he caught the first bus. Its such a good chance that we must not miss it. To such a degree was he excited that he couldnt 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, supposing that, in case that, on condition that Well start our
11、 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, whi
12、le, whatever, whoever, wherever, whenever, however, whichever Much as I respect him, I cant 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 wont listen whatever you may say.
13、 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
14、 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. 10. 状语从句的简化状语从句的省略 状语从句同时具备下列两个条件:主句和从句的主语一致，或从句主语为it；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。例如： When
15、 ( the museum is ) completed , the museum will be open to the public next year . Hell go to the seaside for his holiday if (it is ) possible. 另外，比较状语从句经常省略。例如： Im taller than he (is tall ). The higher the temperature (is), the greater the pressure (is ). 就状语从句而言,有时为了使语言言简意赅,常常将状语从句进行简化。状语从句的简化现象在口语中较为普遍,而且在高考中的复现率也较高。因此,有必要对其进行全面、透彻的了解。 状语从句的简化现象常存在于以下五种状语从句中:由if, unless等引导的条件状语从句;由although, though, even if / though等
