句型语序技巧并列句
并列句由两个或两个以上相互不依从的句子构成。并列句的各个分句之前通常用并列连词连接，并列连词前可用逗号，也可不用。其结构为：简单句 并列连词 简单句。
主要并列连词有：and， but， or， for， so， while， however， either.。。or， neither.。。nor， not only…but also， both…and 等
主要并列连词的用法
1 and： 意为“和，而且”，表示同等关系或递进关系
1>。 I went there by train and she went there by plane. 我乘火车去那里的，她乘飞机去那里的。
2>。 Her father is a doctor and her mother is a teacher. 她父亲是医生，她母亲是教师。
3>。 Tom finished his homework， and they went out to play games. 汤姆做完了作业，他们就出去玩游戏了。
2 but： 意为“但是”，表示转折关系。
1>。 She is very old but she is in good health. 她年纪很大了，但身体很好。
2>。 He is poor， but he is happy. 他穷，但是他幸福。
3>。 The man shouted to the policemen， but they didnt hear him.
4>。 Some people dont like summer， but I quite like it. 有些人不喜欢夏天，但是我很喜欢。
3 or： 意为“或者，否则”，表示选择关系。
1>。 Are you going with us or will you stay at home？ 你同我们一起去，还是呆在家里呢？
2>。 The students can go swimming or they can go mountain climbing.
学生们可以去游泳，也可以去爬山。
3>。 Youd better go by taxi， or you will be late. 你最好乘出租车去，否则要迟到了。
4 for：表示“因为，表示因果关系”。是“前果后因”。
1>。 He is late for class every day， for he gets up late every day.
2>。 We passed the exam， for we studied very hard.
5. so： 因此，也表示因果关系，是“前因后果。”
1>。 He gets up late every day， so he I slate for school every day.
2>。 We studied very hard， so we passed the exam.
6. not only.。。but also意为“不但……而且”，表示同等关系。
1>。 Not only can he drive a car， but he can also repair cars. 他不但会开车，而且还会修车。
2>。 He was not only a good father， but he was also a good husband. 他不仅是个好父亲，也是个好丈夫。
7. either.。。or意为“不是……就是，或者……或者”，表示选择关系
1>。 You can either do it by yourself or you can ask someone else to do it.
你或者自己做这件事，或者请别人做这件事。
2>。 Either the teacher didnt explain the sentence clearly， or I didnt understand it.
不是老师没有把这个句子解释清楚，就是我没有理解。