由并列连词连接、含有两个或更多主谓结构的句子叫并列句。并列句的基本句型：简单句 + 并列连词 + 简单句并列连词有表示转折对比关系，因果等。
2. 并列句的基本句型：简单句 + 并列连词 + 简单句
1) 并列关系（联合关系）。连接词：and, not only…but (also), neither…nor等
例句：I help him and he helps me.
Not only did we write to her but also we telegraphed her.
Neither I would consult him nor he would ask me for advice.
2) 转折关系。连接词：but, yet, still, while, however, when等
例句：He failed many times, but he didn’t despair.
She has difficulty in learning English, however, she works hard and is making rapid progress.
3) 选择关系。连接词：or, otherwise or else, either…or
例句：We must hurry, or we’ll miss the train.
Either you come to my place or I go to yours.
4) 因果关系。连接词：for, so, thus, therefore, and so
例句：We had better stay at home, for it was raining.
He didn’t work hard, therefore he failed in the examination.
Hurry up, it’s getting dark.
Let’s start early, we have a long way to go.
(1) yet和still是连接副词，也叫半连接词。它们是副词。又起连接作用，但不如and, but, or等强，用了yet或still，前面还可加and或but。
He is tired, (but) still he will make another experiment. 他很累，但他仍然要做另一个实验。
I got up very early, (and) yet I failed to catch the first bus. 我起得很早，然而还是没有赶上头班车。
(2) while意义相当于at the same time表示相反和对照，常用来连接两个意义对立的分句。
I like football, while my sister likes basketball. 我喜欢足球，而我姐姐喜欢篮球。
when = and then, just then或at that time, during the time.
We were ready to rush away, when the snake moved. 我们正准备离开，这时蛇移动了。
(3) for表示附加或推断的理由、原因。therefore比so更正式，and so比较口语化。
1.Some are reading magazines,______ others are playing cards.
A．or B．for C．so D．while
2.We must get up early tomorrow.______ we’ll miss the first bus to the Great Wall.
A．so B．or C．but D．however
3.——I don’t like chicken ______ fish.
——I don’t like chicken,______ I like fish very much.
A．and, and B．and, but C．or, and D．or, but
4.We want ______ high speed ______ good quality.
A．both, and B．either, or C．neither, nor D．not, but also
5.In spring it is ______ hot ______ cold here.
A．both, and B．either, or C．neither, nor D．not only, but
6.______ does he writes well, ______ he also speaks well.
A．Not only, but B．Not, but C．Either, or D．Both, and
7.Use your head, ______ you’ll work it out.
A．so B．or C．and D．for
8.I want to buy the jacket, ______ I have not enough money with me.
A．but B．so C．or D．for
9.______ you ______ I am going to help Tom.
A. Either, or B. Not, but C．Not only, and D．Each, and
10.The soldier was wounded, ______ he pushed on.
A．for B．and C．so D．yet
1.D 2.B 3.D 4.A 5.C 6.A 7.C 8.A 9.A 10.D
1. but 但是，可是，而，却
例：I hope you don't mind me asking, but where did you buy those shoes?
2. yet 但是；尽管如此
例：The car is old, yet it is in good condition. 这辆车旧了，但车况很好。
3. while 而，但是，可是，却
例：I do every single bit of housework while my husband Bob just does the dishes now and then.
1. for 因为
例：I did my best not to show pleasure, but what I was feeling was pure happiness, for my words had the power to make people laugh.
2. so 因此
例：The shop doesn't open until 11 a.m., so it loses a lot of business.
例：Would you like a cup of coffee or shall we get down to business right away?
1. and 和，同，与，又，并且
例：Stand over there and you'll be able to see it better.
2. not only... but also... 不仅……而且
例：Not only I but also Jane and Mary are tired of having one examination after another.
3. neither... nor... 既不……也不
例：They worked neither for fame nor for personal gains. 他们工作一不为名，二不为利。
4. both... and... 既……又
例：A man should have both courage and wisdom. 人既要有勇气又要有智慧。
1. not... but... 不是……而是
It was not the bones of an animal but of a human being. 这不是一只动物的骨头，而是人的骨头。
2. rather than 而不是；与其……宁愿
Rather than ride on a crowded bus, he always prefers to ride a bicycle.
3. when 正当那时，相当于and at that time
Jasmine was holidaying with her family in a wildlife park when she was bitten on the leg by a lion.