连词、并列连词
第一类表示并列关系的连词
1) and
(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.
(对)I saw two men sitting behind and whispering there.
注意：A and B 当表示整体或者指同一人时谓语动词用单数, 当and连接的单数
名词前分别有each，every，many等词修饰时，谓语也用单数。
bread and butter a knife and fork
The mother and teacher is very strict with her son.
No teacher and no student is allowed to smoke in class.
and连接的是两个相同意思的词，表示“渐渐”，或加强语气
Read it again and again
2) both ?and 两者都
She plays (both) the piano and the guitar.
3) neither?nor 意思为"既不??也不??"谓语动词采用就近原则，与nor后的词保持一致。
Neither you nor he is to blame.
4) not only?but (also)不但······而且······
She plays not only the piano, but (also) the guitar.
注意： not only? but also 关联两个分句时，一个分句因有否定词not 而必须倒装。
Not only does he like reading stories, but also he can even write some.
5) as well as 以及，也，与···同样
The teacher, as well as the students, is interested in the activity.
第二类表示选择关系的连词
1) or 意思为"或则"。
Which do you prefer, tea, coffee, or juice ?
比较and和or
1) 并列结构中，or通常用于否定句，and用于肯定句。
2) 但有时and 也可用于否定句。请注意其不同特点：
There is no air or water in the moon.
There is no air and no water on the moon.
在否定中并列结构用or 连接，但含有两个否定词的句子实际被看作是肯定
结构，因此要用and。
---I don't like chicken ___ fish.
---I don't like chicken, ___ I like fish very much.
A. and； andB. and； but C. or； but D. or；and
We will die without air and water.We can't live without air or water.第 1 页 共 1 页
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