高中英语第一轮复习连词
高中英语第一轮复习：连词
连词
定义：连词是一种虚词，它不能独立担任句子成分而只起连接词与词，短语与短语以及句与句的作用。
分类：连词主要可分为并列连词和从属连
句中所起的作用，根据在词两类。
连接具有并列关系的词、短语或句子的连词叫作并列连并列连词：词。等四根据意义，它又可分为表示联合、转折、选择和因果
种关系的连词。一、表示联合关系的并列连词 and, both…and, neither…nor, 表示联合关系的并列连词有：等。除……外……也……)not only…but also, as well as(eg: I am a teacher and he is a doctor.
He has both experience and knowledge.
Neither I nor he has seen the film.
He has experience as well as knowledge.
He has not only experience but also knowledge.
二、表示转折关系的并列连词),
可是but, while(然而), yet( 表示转折关系的并列连词有等。然而，不过)，nevertheless()然而，但是however(t be able to come tonight. eg: I am sorry, but I won' 我心有余而力不足。 I am willing, yet unable.
He is short, while his younger brother is tall.
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高中英语第一轮复习：连词
He worked hard. However, he failed.
他很努力，然而还是失败了（however可置于句首、句中或句末）另外：副词still也能表示转折关系
The pain was bad, still he did not complain.
虽然疼得厉害，可是他没有呻吟。
三、表示选择关系的并列连词
表示选择关系的并列连词有or(或), or else(否则), either…or…(或……或……，不是……就是……)。
eg: John or I am to blame(责备).
Seize the chance, or else you will regret it.
(or else常置于祈使句后面)
You can either stay at home or go fishing.
另外：副词otherwise, rather than也能表示选择关系
Seize the chance, otherwise you will regret it.
He went rather than stay as an unwelcome guest.
四、表示因果关系的并列连词
表示因果关系的并列连词有so, for等。
eg: It was late, so I went home.
It is morning, for the birds are singing.
另外：副词then(那么，因而), thus(因此), therefore(因此，所以)常放在句首表示因果关系。
He was busy, therefore he could not come.
He studied hard, thus he got a full mark.
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高中英语第一轮复习：连词
从属连词：用来连接主句和从句的连词叫从属连词。从属连词可分为引导名词性从句的从属连词和引导状语从句的从属连词两类。
引导名词性从句的从属连词
引导名词性从句的从属连词有连接词that, whether和if,这些连接
词在句子当中不充当任何句子成分；连接代词主要有who, whom, whose, which, what等，它们在句中可作主语、宾语、定语等；连接副词主要有when, where, why, how等，它们在句中作状语。Who will attend the meeting hasn't decided yet.
We know (that) the earth goes around the sun.
I wonder if he has received my e-mail.
That is why he didn't come to school.
The news that our team had won was very exciting.
引导状语从句的从属连词
一、引导时间状语从句的从属连词
when, while, as, after, before, since, till/untill, once, as soon as, the moment/instant, no
sooner...than..., hardly... when...等
eg: Once you begin, you must go on.
When it rains. I go to school by bus.
Hardly had we finished the work when it began to rain.
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高中英语第一轮复习：连词
二、引导地点状语从句的从属连词
where, wherever等
eg: Where there is a will, there is a way.
Wherever she may be, she will be happy.
三、引导原因状语从句的从属连词
as, since, because等
eg: He didn't go to school because he was ill.
Since everybody is here, let's begin.
四、引导结果状语从句的从属连词
so...that/such...that(如此......以致), so(结果)，that(以致), so that(结果) 等
eg: He is such good student that we all like him.
It was very cold, so that the water in the bowl froze.
五、引导条件状语从句的从属连词
if, unless, so/as long as, in case(如果，万一) 等
eg: He will not come unless he is invited.
You will be late for the class if you don't hurry.
六、引导目的状语从句的从属连词
so(以便), so that(为了), in order that(为了), less、in
case(以防，免得) 等
eg: She took medicine on time in order that she might get well soon.
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高中英语第一轮复习：连词
七、引导让步状语从句的从属连词
though/although, as(虽然), even if/even though(即使), however, whatever, whoever, no matter how/what/which
等
eg: Old as he is, he still works hard.
Though he is old, he still works hard.
Even if you were here yesterday, you couldn't help him.
八、引导方式状语从句的从属连词
as(正如), as if/as though(好像，似乎) 等
eg: The man carried the box away as he was told.
He speaks English as if he were an Englishman.
九、引导比较状语从句的从属连词
as(如……), as...as... , not so/as...as... ,than等
eg: He works harder than before.
His elder brother is as tall as his mother.
并列连词与并列结构
一、and 判断改错： (错) They sat down and talk about something. (错) They started to dance and sang.
(错) I saw two men sitting behind and whisper there. (对) They sat down and talked about something. (对) They started to dance and sing.
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高中英语第一轮复习：连词
(对)I saw two men sitting behind and whispering there. 解析：第一句： and 连接两个并列的谓语，所以 talk 应改为talked。
第二句：and 连接两个并列的动词不定式，第二个不定式往往省略to，因此sang 应改为 sing。第三句：and 连接感观动词saw 后面的用作的宾补的两个并列分词结构，因此whisper应改为whispering。
注意：and 还可以和祈使句或名词词组连用表示条件。（or也有此用