公共英语三级考试经典语法详解的内容
连词
I. 要点
1、 连词的种类
(1) 并列连词用来连接并列关系的词、短语或分句，如and, for, or, both…and, either…or, neither…nor等。
(2) 从属连词用来引导从句，如that, if, whether, when, after, as soon as等。
除了从属连词(引导状语从句)外，还有其它可以用来引导从句的.词类。它们是连接代词和连接副词(引导名词性从句)，关系代词和关系副词(引导定语从句)。
2、 常用连词举例
(1)and 和，并且
They drank and sang all night.
(2) both…and 和， 既…也…
Both my parents and I went there.
(3) but 但是，而
Im sad, but he is happy.
(4) either…or 或…或…， 要么…要么…
Either youre wrong, or I am.
(5) for因为
I asked him to stay, for I had something to tell him.
(6) however 然而，可是
Af first, he didnt want to go there. Later, however, he decided to go.
(7) neither…nor 既不…也不
Neither my parents nor my aunt agrees with you.
(8) not only…but(also) 不但…而且…
He not only sings well, but also dances well.
(9) or 或者，否则
Hurry up, or youll be late.
Are you a worker or a doctor?
(10) so 因此，所以
Its getting late, so I must go.
(11) although 虽然
Although it was late, they went on working.
(12) as soon as 一 …就
Ill tell him as soon as I see him.
(13) because 因为
He didnt go to school, because he was ill.
(14)unless 除非，如果不
I wont go unless it is fine tomorrow.
(15)until 直到…
He didnt leave until eleven. (瞬间动词用于not… until 结构)
He stayed there until eleven.
(16)while 当…时候，而 (表示对比)
While I stayed there, I met a friend of mine. (while后不可用瞬间动词)
My pen is red while his is blue.
(17)for 因为
He was ill, for he didnt come. (结论是推断出来的)
(18)since自从…
I have lived here since my uncle left.
(19)hardly… when 一… 就
I had hardly got to the station when the train left.
(20)as far as 就… 来说
As far as I know, that country is very small.
You may walk as far as the lake. (一直走到湖那里)
II. 例题
例1 John plays football ____, if not better than, David.
A as well B as well as C so well D so well as
解析：该题意为：John踢足球如果不比David好的话，那也踢得和David一样好。 和…一样好为as well as. 故该题正确答案为B。
例2 She thought I was talking about her daughter, ____, in fact, I was talking about my daughter.
A when B where C which D while
解析：该处意为"然而"，只有while有此意思，故选D。
 
;例3 Would you like a cup of coffee ____ shall we get down to business right away?
A. and B. then C. or D. otherwise
解析：该处意为"或者"，正确答案为C。
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