英语,Doctors study for at least five years after they finish school.改为简单句,什么是简单句,

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英语,Doctorsstudyforatleastfiveyearsaftertheyfinishschool.改为简单句,什么是简单句,英语,Doctorsstudyforatleastfiveye

英语,Doctors study for at least five years after they finish school.改为简单句,什么是简单句,
英语,
Doctors study for at least five years after they finish school.改为简单句,什么是简单句,

英语,Doctors study for at least five years after they finish school.改为简单句,什么是简单句,
Doctors study for at least five years after finishing school.
简单句
根据语法形式,即句子的结构,英语的句子可分为简单句、并列句和复合句.
简单句的基本形式是由一个主语加一个谓语构成.其它各种句子形式都是由此句型发展而来,如五大基本句型:
1.主语+谓语,这种句型简称为主谓结构,其谓语一般都是不及物动词,例:
Things change.事物是变化的.
Nobody went.没有人去.
--Did you go by sea?你们走的是海路吗?
--NO,we flew.不,我们是飞去.
2.主语+连系动词+表语,这种句型称为主系表结构,其实连系动词在形式上也是一种谓语动词,但实质上表语成了谓语,例:
Mr.Turner is an artist.特纳先生是位画家.
The milk turned sour.牛奶变酸了.
She became a lawyer.她当了律师.
3.主语+谓语+宾语,这种句型可称为主谓宾结构,它的谓语一般多是及物动词,例:
We never beat children.我们从来不打孩子.
My sister will fix everything.我姐姐会料理一切.
4.主语+谓语+宾语+宾语,这种句型可称为主谓宾宾结构,其谓语应是可有双宾语的及物动词,两个宾语一个是间接宾语,一个是直接宾语,例:
He gave the book to his sister.他把这本书给了他的妹妹.
I'll write you a long letter.我将写给你一封长信.
5.主语+谓语+宾语+宾补,这种句型可简称为主谓宾补结构,其补语是宾语补语,与宾语一起即构成复合宾语,例:
I found the book easy.我发现这本书不难.(形容词easy作补语)
I'll let him go.我将让他去.(不定式go用作补语)
注意:有时两个或更多的并列主语拥有一个共同的谓语,甚至并列有两个主语和两个谓语,这样的句子仍然是简单句,例:
China and other countries in the east Asia are developing rapidly.中国和东亚其它国家正在迅速地发展.(China and other countries并列主语)
Mr.Wang and I often work together and help each other.王先生和我常在一起工作互相帮助.
多做题就会了.

1. 简单句就是一个由单个主语或并列主语,以及单个谓语或并列谓语所组成的句子.特点是句中不能出现从属连词(引导从句)或用并列连词连接而成的两个独立句子.
2. 这句可以改成:
Doctors study for at least five years after finishing school.

Doctors study.这就是简单句,不要一切的修饰

简单句:只有一套主谓的句子,没有从属连词
doctors study for at least five years after finishing school