（It形式主语，主语从句是真正主语）
㈡谓语
说明主语的动作、状态和特征 • 简单谓语:由动词或动词词组组成 • I saw the flag on the top of the hill。 • He looked after two orphans. • 复合谓语 由情态动词或助动词+动词; • He can speak English well. • She doesn’t seem to like dancing
找出句中主语
The sun rises in the east.（名词） Twenty years is a short time in history. （数词） The poor are now living in the shelter. (名词化的形容词） Seeing is believing. （动名词） To see is to believe. （不定式） He likes dancing. （代词） What he needs is a book. （句子） It is very clear that the elephant is round and tall like a tree.
定语后置：
如果定语是由一个单词表示时，通常要前置。 而由一个词组或一个句子表示时，通常则后置
The girl in red is his sister. We have a lot of work to do. The girl standing under the tree is his daughter. Do you know the man who spoke just now?
（六）状语
状语的功用：状语说明地点、时间、原因、目的、 结果、条件、方向、程度、方式和伴随状况等。 • I will be back in a while. • They are playing on the playground. • He was late because he got up late. • He got up so late that I missed the train. • I waited to see you. • He often went to school by bus. • His parents died, leaving him an orphan. • Please call me if it is necessary. • This book is very interesting. • He went to school in spite of his illness.
句子成分
定义 ：构成句子的各个部分叫做句子成 分。句子成分有主要成分和次要成分； 主要成分：主语和谓语 次要成分：表语、宾语、定语、状语、 补足语、同位语
1. I met my best friend Tom at the station yesterday.
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主谓 定 宾 同
状
语语 语 语 位
• 宾语分为直接宾语和间接宾语.直接宾语指 物或事,间接宾语指人或动物.
• He gave me some books.
↓ 间接 宾语
↓ 直接 宾语
●please pass me the book. ●He bought his girlfriend some flowers.
（四）表语
在系动词后的部分就是表语 1. The war was over. 2. They seem to know the truth. 3. Time is precious. 4. I’m not quite myself today. 5. That remains a puzzle. • I don’t feel at ease.
（六）宾语补足语
有些及物动词除了有一个直接宾语以外，还要有一个宾 语补足语，说明宾语的身份和状态以补充其意义不足， 使句子的意义完整。这类常用的及物动词有 ： make, consider, cause, see, find, call, get, have, let.
(三)宾语
动作的对象或承受者——及物动词或介词的宾语
Show your passport, please. （名词 ） She didn't say anything. ( 代词） How many do you want? - I want two. (数词) They sent the injured to hospital. (名词化的形容词) They asked to see my passport. （不定式） I enjoy working with you.（动名词） Did you write down what he said? （句子）
语
语
㈠主语（subject）
句子说明的人或事物
• Jane is good at playing the piano.（名词） • She went out in a hurry. （代词） • Four plus four is eight. （数词） • To see is to believe. （不定式） • Smoking is bad for health. （动名词） • The young should respect the old（. 名词化的形容词） • What he has said is true.（句子）
（五）定语
修饰或பைடு நூலகம்制名词或代词的词、词组或从句
• He is a clever boy. (形容词) • His father works in a steel work. (名词) • There are 54students in our class. (数词) • Do you know Betty’s sister? (名词的所有格) • He bought some sleeping pills. (动名词) • There is a sleeping baby in bed. (现在分词) • His spoken language is good. (过去分词)