一，表示并列关系的连词有：
and,both…and,neither…nor,either…or,not only…but also，as well as
1.and
“和，并且”，连接对等的词句。(在否定句中要用or连接。)
I like physics and chemistry.我喜欢物理和化学。
I don’t like physics or chemistry.我不喜欢物理和化学。
2.both…and“……和……都”
Both Jim and Mary went to the cinema yesterday.昨天吉姆和玛丽都去看电影了。
Exercise is good both for body and for mind.运动有益于身心。
3.neither…nor两者皆不
He neither smokes nor drinks.他既不抽烟又不喝酒。
I like neither swimming nor skating.我既不喜欢游泳，又不喜欢溜冰。
4.either…or不是…就是…，或者…或者….。
Either you come to the office now,or wait for me at home.
你要么现在到办公室来，要么就在家等着。
Either he or I will leave.不是他就是我将要离开。
5.not only…but(also)不但……而且……(not only…but also中的also可以省略。)
Not only she but also I am wrong.不但她错了，我也错了。
He not only made a promise,but kept it.他不仅许诺，而且做到了。
6.as well as也、又
We will rescue Henry as well as you.除了你，我们还要营救亨利。
He likes basketball as well as football.除了足球，他还喜欢篮球。
二、常用的从属连词：
(一)引导时间状语从句的连词有：when,while,since,until,after,before,as soon as
1.when当……时
When we got there,the meeting had begun.我们到时，会议已经开始了。
It was raining when she arrived at the station.她到达车站时，正在下雨。588.es
2.while正当……时，正在……时。(while引导的从句中，谓语动词必须是延续性动词，且常常用进行时。
Don’t make any noise while others are reading.别人读书时不要制造噪音。
She sang while she was walking.她边走边唱。
3.since自从
It’s just a month since we arrived here.我们到这儿刚好一月了。
My mother has been ill since I left home.自从我离开家我妈妈就一直生病。
4.until直到……为止
Until you told me,I knew nothing at all about it.在我告诉我之前，我对此之外无所知。
He didn’t appear until the meeting had begun.直到会议开始他才露面。
5.before在……之前
after在……之后
I’ll phone you after I arrive.我到达之后给你打电话。
Say goodbye before you go.你走之前要说再见。
6.as soon as一……就
I’ll visit you as soon as I come back.我一回来就去拜访你。
Please tell him as soon as you see him.你一看见他就请告诉他。
(二)引导原因状语从句的连词：because,since,as,for,now that
1.because因为(because与so不能并用。)
I can’t believe in him because he isn’t honest.我不能信任他，因为他不诚实。
She didn’t come because she didn’t know it.她没有来，因为她不知道。
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