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be动词用法口诀的意思

 Joanne图书馆 2017-11-20

 

be动词用法口诀的意思

***一定要学会画出关键词***

(I)am,你(you)are is连着他(he),她(she),它(it) 单数名词用is,复数名词全用are     

1.)变疑问,往前提,句末问号莫丢弃。    

2. 变否定,更容易, benot莫忘记。     

3.)  疑问否定任你变,句首大写莫迟疑。 

例子   下面这些是固定用法:
I am a boy. (
你不能说 I is a boy)
You are a student.
He is a boy.
She is a girl.
It is a cat.
单数名词用is复数名词全用are(主语个数是一个时,谓语用单数is,主语个数为2个或以上,谓语用复数are.)如:
The book
is over there.(一本书)
The book
s are over there.(多本书)

My parents are teachers.

I have two new dresses.

These are my shorts.

Those are my shorts.

This is my mother.

That is my father .

Jim and Lisa are good students.

 
变疑问,往前提,句末问号莫丢弃。(陈述句中谓语为is,are,am时,变疑问句只将其提前)如:
It is a book.
变为:Is it a book?
变否定,更容易, benot莫忘记。如:
It is a book.
变为: It is not a book.(否定句
疑问否定任你变,句首大写莫迟疑。如:
It is a book.
变为:Is not it a book?(疑问否定句)

 

注意: I am a student. 变为疑问句时应该用 Are you a student?

 

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