高中英语讲义
主语是句子叙述的主体，可由名词、代词、数词、名词化的形容词、不定式、动名词和主语从句等来承担。
谓语说明主语所发出的动作或具有的特征和状态。谓语由动词来承担。 宾语是动作的对象或承受者，常位于及物动词或介词后面。宾语可由名词、代词、数词、名词化的形容词、不定式、动名词、宾语从句等来担任。
主语和谓语是英语句子的两大成分，除少数句子（如祈使句和感叹句等）外，一句话必须同时具有主语和谓语所表达的意思才能完整。主语是针对谓语而言的，是一句话的主题，谓语用来说明主语的情况，为主语提供信息。例如：They are working.主语是they(他们)，那麽他们在做什麽呢？看来没有谓语are working 是不行的。在正常情况下，英语的主语和谓语的位置与汉语一致，也就是说主语在前，谓语紧跟其后。那麽，哪些词语可以做主语，谓语，何时主谓倒置，主语与谓语的一致情况如何，我将一一讲述。
一、哪些词可以充当主语 1,名词
例如： A mooncake is a delicious, round cake.
The first truck is carrying a few baskets.
The temperature will stay above zero.
The doctor looked over Mrs. Brown very carefully.
China does not want to copy the USA’s example. 2,代词
好好努力 梦想终会实现
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例如： It’s a young forest.
I don’t know if it will grow.
That’s a bit expensive.
You’d better buy a new pair.
I’m afraid we haven’t got any black shoes. 3,数词
例如：One and two is three.
One is not enough for me. I want one more.
One of them is English.
Suddenly one of the bags fell off the truck.
Two will be enough.
4,不定式 （常以 It’s adj. to do sth. 形式出现）
例如： To give is better than to receive =Its better to give.
I found it difficult to get to sleep.
It’s glad to see you again.
好好努力 梦想终会实现
高中英语讲义
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高中英语讲义
It was difficult to see.
But it’s good to swim in summer.
5,IT 作主语，有如下情况：
1)指代刚刚提到的事物：What’s this ? It’s a bus. (指代what)
2)指代一个你不知道或判断不清性别的人：Who’s knocking the door? It’s me. (指代 who)
Who’s the baby in the picture? It’s my sister. (指代 who)
3) 表示时间，天气，距离：
What’s the time? It’s eight o’clock. (时间)
What’s it going to be tomorrow? It’s going to be rainy.(天气)
How far is it? It’s about one kilometre away. (距离)
6. THERE 引起的There be 句型中，be 作谓语，主语位居其后。如：
There are many different kinds of mooncakes.
There will be a strong wind.
二、谓语
好好努力 梦想终会实现
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高中英语讲义
谓语有动词构成，依据其在句中繁简程度可把谓语分为简单谓语和复合谓语两类。不论何种时态，语态，语气，凡由一个动词（或动词词组）构成的谓语都是简单谓语。例如：
I like walking.(一般现在时主动语态)
I made your birthday cake last night. (一般过去时主动语态)
It is used by travellers and business people all over the world. (一般现在时被动语态)
复合谓语也可分为两种情况：
第一种是由情态动词，助动词+不带to的动词不定式构成的复合谓语：
What does this word mean?
I won’t do it again.
I’ll go and move away the bag of rice with Lin Tao.
You’d better catch a bus.
第二种是由连系动词+表语构成的复合谓语。例如：
You look the same.
We are all here.
The weather gets wamer, and the days get longer.
好好努力 梦想终会实现
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