初中英语BE动词总结.docx

Be动词的用法总结及专项练习
Be动词的用法口诀：
be动词 am\is\are,我⑴用 am,你（you）用 are, is 连着他（he）,她（she）,它（it）;
单数名词用is,复数名词全用 are。我彳门（we）你们（you）和他们（they）都用are;过去式am\is变 was,are变were;变疑问，往前提，句末问号莫丢弃。变否定，更容易， be后not莫忘记。疑问否定任
你变，句首大写莫迟疑。
一、Be动词与人称代词的搭配
1、基本形式： am、are、is
am
第一人称I+am （注意："I无论何时都要大写，不管位于句首还是句中 ）
例：I am a beautiful girl. I am twenty.
are
第二人称you+are; 一人称复数we+are;三人称复数they+are其他复数名词+are （注意：第二人称 单复数同形，都为you）
例： You are my good friend. We are in the same class.
They are on the road. The books are on the desk.
（3 is
第三人称he（男）+is ; she（女）+is; it（不是人）+is;其他单数名词+is
例：He\She is a good student. It is a white cat.
A dog is on that street.
2、肯定、否定、疑问（等于号后是简写）
否te be动词后
加not
一般疑问一一be动 词移到主语前
一M疑问否定
一般疑问回答
肯定和否定
I am …=I ' m ….
I am not …=I ' m not ...
Am I •••?
Am not I •••?
Yes,I ' m.
No,I ' m not.
You are ••• = you '
You are not ••• =Yoi e… aren t •••
i
Are you •••?
Are not you. ..? =Aren ' t you •••?
Yes,you are.
No,you are not.
It is •••=
It is not 1•
It isn ' t •
it •••?
it •••?
=Isn ' t she it •••?
Yes,she\he\It is.
No,she\he\It is not.
We are=We' re
We are not …=We aren ' t •••
Are we •••?
Are not we •••?
=Aren ' t we •••?
Yes,we are.
No,we are not.
They are=They ' re
They are not ••二Th aren ' t
iey
Are they •••?
Are not they •••?
=Aren ' t they …'
Yes,they are.
No,they are not.
例：I am(not) from London.
My eyes are(not) small.
M