一：什么是主语?主语怎么用?请往下看，一目了然。
主语表明这句话说的是谁和什么，主语主要由名词、代词或相当于名词的单词，短语或从句充当。
1:名词作主语的情况
David arrived last night. 大卫昨晚到达。
Pride goes before a fall. 骄必败。
2:代词作主语的情况。
Who is speaking, please? （在电话中）请问您是谁？
That's OK. 这没问题。
3:数词作主语的情况
Two will be enough. 两个就够了。
Two-thirds of the workers are women. 三分之二的工人是女工。
4: 动名词形式作主语
Skating is good for health.溜冰对身体好。
5:不定式作主语
To be an actor is my dream.成为演员是我的梦想。
6:名词化的形容词作主语
The unemployed usually lead a hard life.
失业的人生活一般很困难。
7:短语作主语
How to do well is an important question.
如何把这件事做好是一个重要问题。
Early to bed and early to rise makes a man healthy.
早睡早起身体好。
8:从句作主语
Whether we'll go depends on the weather.
我们是否去要看天气。
二：谓语，谓语是什么呢?谓语怎么用?
谓语说明主语的动作或状态。谓语动词一般在主语之后。有时态的变化。常和情态动词，助动词，各种时态一起构成谓语。
Some children asked for cold drinks.
有些孩子要喝冷饮。
I shall go to see him tomorrow.
明天我要去看他。
I must ask her to teach me to swim.
我一定得请她教我游泳。
三：宾语
宾语一般用在及物动词的后面，表示行为动词所涉及的对象。
1:名词作宾语
Show your ID card, please.
请出示身份证。
2:代词作宾语
He didn't say anything.
他什么也没说。
3: 数词作宾语
How many do you want? - I want two.
你要几个？－ 我要两个。
4:名词化的形容词作宾语
They sent the injured to hospital.
他们把伤员送到医院。
5:不定式或ing形式作宾语
The asked to see my passport.
他们要求看我的护照。
I enjoy working with you.
我和你们一道工作很愉快。
6:从句作宾语
Did you write down what he said?
你把他的话记下了没有？
四：表语
表语是用来说明主语的身份、特征和状态的，它常位于联系动词（be, become, appear, seem等）之后。意思是：是什么，怎么样。
1:名词作表语
He is a boss
2:代词作表语
The book is mine.
3:形容词作表语
I feel much better today.
4:数词作表语
She was the first to learn about it.
5:不定式或ing形式作表语
Her job is selling computers.
Our next step is to sleep well.
6:介词短语作表语
The patient is out of danger.
7:副词作表语
The sun is up
I must be off now.
8:从句作表语
This is what he said.
定语相当于汉语里的形容词，起修饰作用。
1:形容词作定语
He's a tall man.
2:名词作定语
There are a lot of banana trees .（banana）
3:数词作定语
Three people watched the game
4:限定词作定语
Many men are working there.
5:ing形式作定语
There is a swimming pool near our school.
6:ed分词作定语
frozen food 冷冻食品
fallen leaves 落叶
六：状语：
状语用来修饰动词，形容词，句子，表示时间，地点，原因，目的，方式，程度等。
1:副词作状语
Don't drive so fast.
2:介词短语作地点状语
We live in Hangzhou.
3:名词作状语
The meeting lasted an hour.
七：接在动词之后对主语起着解释或描述作用的成分，叫作主补。
1:形容词作主补
They married young.
他们结婚时还年轻。
He died happy.
他怀着幸福的心情死去。
No man is born wise.
没有生而知之。
2:ed分词作主补
He came in drunk.
他走进来的时候醉醺醺的。
3:名词作主补
He died a poor man.
他死时很穷。
He died a millionaire.
他死的时候是个百万富翁。
八:宾补
适用宾补的句型：
主语 谓语 宾语 宾补（S V O OC）
宾补对宾语加以解释或描述。
以下成分可以充当宾补：名词，代词，形容词，副词，ing形式，ed分词，不定式，介词短语，名词性从句。
1:名词作宾补
I consider him a gentleman.
2:代词作宾补
Whom do you think me?
（Whom是宾补）
3:形容词作宾补
Wash your hands clean.
4:副词作宾补
I found him out.
5:ing形式作宾补
They left me wait.
6:ed分词作宾补
I heard my name called.
7:不定式作宾补
I thought him to be a good man.
8:介词短语作宾补
Make yourself at home.
9:名词性从句作宾补
His wife has made him what he is.
学会学习，学会总结，我是湖北小高，谢谢阅读。
