我们可以给句子的动词加上副词修饰，给 名词加上形容词、介词短语修饰，给句子 加上状语进行修饰等，以使整个句子的意 思变得更加的丰富和充实。但不管如何变， 都只有一个主谓结构。
He worked hard all his life. (划线部分在 句中作状语，修饰动词worked) He is a school student in No. 1 Middle School. (划线部分在句中作定语，修饰名 词student)
9. Neither has he changed his mind, nor will he do so. 并列句
10. What he said at the meeting is very important, isn’t it? 复合句 11. The farmer is showing the boy how to plant a tree. 简单句 12. Both Tom and Jack enjoy country music. 简单句


并列句： 句型：简单句+并列连词+简单句
2)
并列句是由两个或两个以上的简单句 连接而成。并列句中的各简单句意义 同等重要，相互之间没有从属关系， 是平行并列的关系。它们之间用连词 连结。 e.g. You help him and he helps you. The future is bright; the road is tortuous.
3、表示转折，常用的连词有but, yet, while等。 e.g. He was a little man with thick glasses, but he had a strange way of making his classes lively and interesting.


3. She set out soon after dark ____ home an hour later. A. arriving B. to arrive C. having arrived D. and arrived

4. She thought I was talking about her daughter, ____, in fact, I was talking about my daughter. A. whom B. where C. which D. while
并列句的分类
1、表示连接两个同等概念，常用and, not only…but also…, neither…nor…, then等连接。 e.g. The teacher’s name is Smith, and the student’s name is John.


2、表示选择，常用的连词有or, either…or…, otherwise等。 e.g. Hurry up, or you’ll miss the train.


9. Who do you think the doctor will have ____ first, John or Kate? A. examine B. to examine C. examining D. examined

10. She won the first prize in the speech contest and ____ surprised us. A. which B. it C. as D. who


6. He is in Class One and I am in Class Two. 并列句
7. He was fond of drawing when he was yet a child. 复合句 8. My brother and I go to school at half past seven in the morning and come back home at seven in the evening. 简单句
英语句子的基本结构
句子种类两种分类法
按句子的用途可分四种：
1）陈述句（肯定、否定）： He is six years old. 2）疑问句（一般、特殊、选择、反意）： Do they like skating? How old is he? Mary can swim, can’t she? 3）祈使句：Be careful, boys. Don’t talk in class 4）感叹句：How clever the boy is!
11. He made another wonderful discovery, ____ of great importance to science. A. which I think is B. which I think it is C. which I think it D. I think is 12. She is American, ____ she knows little about American history. A. so B. yet C. and D. therefore
Exercises 判断句型

1.Having finished his homework, the boy went on to help his mother.
(简单句划线部分在句中作状语，修饰 整个句子)

2. What he says doesn’t suit what he does. (复合句包含两个名词性从句：What he says 是一个主语从句；what he does 是一 个宾语从句o, for等。 e.g. August is the time of the year for rice harvest, so every day I work from dawn until dark.

3）复合句：含有一个或一个以上从句的 句子。 从句包括名词性从句（主语从句、宾语从 句、表语从句和同位语从句） 定语从句和状语从句等。


5. Recently I bought an ancient Chinese vase, ____ was very reasonable. A. which price B. the price of which C. its price D. the price of that
6. After ten years, she changed a lot and looked different from ____ she used to be. A. that B, whom C. what D. who
按句子的结构可分三种：
1) 简单句 2) 并列句 3) 复合句
1）简单句：只有一个主语（或
并列主语）和一个谓语（或并列 谓语）。 e.g. He often reads English in the morning. Tom and Mike are American boys. She likes drawing and often draws pictures for the wall newspapers.
句型 主句+连词+从句；或连词+从句+主句 e.g. The foreign visitors took a lot of pictures when they were at the Great Wall.



复合句就是含有两个或两个以上主谓结构 的句子。这种结构中，必定有一个主谓结 构是句子的主句部分，而另一个主谓结构 则是句子的次要部分，即从句部分。 As is known to all, China is getting more and more powerful. (As 引导一个 定语从句) Where there is a will, there is a way. (Where引导一个表地点的状语从句)
1. ____ down the radio ---- the baby’s asleep in the next room. A. Turning B. To turn C. Turned D. Turn 2. Would you like a cup of coffee ____ shall we get down to business right away? A. and B. then C. or D. otherwise

7. ____ several times about it, but he could not give the correct answer. A. Being asked B. Having been asked C. He would ask D. He had been asked 8. ____ the days went on, the situation there got worse. A. With B. Since C. While D. As

13. ____ the text a second time, the meaning will become clearer to you. A. Read B. Reading C. If reading D. When you read 14. ____, so he didn't come to school last week. A. Though he was ill B. Being ill C. Having been ill D. He was ill

3. We often study Chinese history on Friday afternoon. 简单句
4. The boy who offered me his seat is called Tom. 复合句 5. There is a chair in this room, isn’t there? 简单句