（常见的系动词有: be, sound（听起来）, look （看起来）, feel(摸起来，smell（闻起来）, taste（尝、吃起来）, remain（保持，仍是）, feel（感觉）……
It sounds a good idea.
The sound sounds strange.
Her voice sounds sweet.
② There is an old man coming here.
③ The useful dictionary was given by my mother last year.
④ To do today's homework without the teacher's help is very difficult.
in the subject. ⑤ She was the first to learn about it.
4. 宾语：1）动宾表示行为的对象，常由名词
或者代词担任。放在及物动词或者介词之后。 如：
I like China. （名词） He hates you. （代词）
How many do you need? We need two. （数 词）
（数词）
He is asleep.
（形容词）
His father is in.
（副词）
The picture is on the wall.
(介词短语)
My watch is gone / missing / lost. （形容词化的 分词）
The question is whether they will come. （表语 从句）
pronunciation. ❖ ④ How many new words did you learn last
class? ❖ ⑤ Some of the students in the school want
comes. A. get B. longer C. days D. summer ③ Do you usually go to school by bus?
A. Do B. usually C. go D. bus ④ There will be a meeting at the library this afternoon.
2.谓语（predicate）：是对主语加以陈述，表示主
语的行为或状态，常用动词或者动词词组担任，放在 主语的后面。
We study English. He is asleep. (二). 选出句中谓语的中心词 ① I don't like the picture on the wall.
A. don't B. like C. picture D. wall ② The days get longer and longer when summer
evening.
简单句
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. Both Tom and Jack enjoy country
Don’t talk in class 4）感叹句：How clever the boy is!
按句子的结构可分三种：
1) 简单句 2) 并列句 3) 复合句
❖1）简谓语）。
❖e.g. He often reads English in the morning.
❖ 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。
❖ Where there is a will, there is a way.
Exercises 判断句型
❖ 1.Having finished his homework, the boy went on to help his mother.
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。
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.
❖e.g. You help him and he helps you.
❖ The future is bright; the road is tortuous.
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。
(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)
❖3. We often study Chinese history on Friday afternoon. 简单句
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.
Under the snow, there are many rocks. 3）双宾语-----间宾（指人）和直宾 （指物）
He gave me a book yesterday.
Give the poor man some money
❖ (四) 挑出下列句中的宾语 ❖ ① My brother hasn't done his homework. ❖ ② People all over the world speak English. ❖ ③ You must pay good attention to your
❖ He worked hard all his life. ❖ He is a school student in No. 1 Middle
School.
❖2) 并列句：
❖句型：简单句+并列连词+简单句
❖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。
❖ Tom and Mike are American boys.
❖ She likes drawing and often draws pictures for the wall newspapers.
❖ 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。
❖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
6. He is in Class One and I am in Class Two. 并列句
Tom looks thin.
The food smells delicious.
The food tastes good.
The door remains open.
Now I feel tired.
(三) 挑出下列句中的表语 ① The old man was feeling very
tired. ② Why is he worried about Jim? ③ The leaves have turned yellow. ④ Soon They all became interested
❖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.
❖ 3、表示转折，常用的连词有but, yet, while等。
A. will be B. meeting C. the library D. afternoon
3. 表语（predicative）：系动词之后的成分， 表示主语的性质、状态和特征。
He is a teacher.
（名词）
You don’t look it.
（代词）
Five and five is ten.
I enjoy working with you. （动名词） I hope to see you again. （不定式）
Did you write down what he said? （宾语从 句）
2）介词后的名词、代词和动名词-----介 宾
Are you afraid of the snake?
It is very clear that the elephant is round and tall like a tree.
（It形式主语，主语从句是真正主语）
(一）指出下列句中主语的中心词