be动词的用法的教学
am / is / are
be动词的种类
be动词包括“am”,“is”,“are”三种形式。

第一人称单数(I)配合am来用。

句型解析析：I am+…
I am Kang kang. I am ten years old.
I am a student. I am a boy. I am tall.
第二人称(You)配合are使用。

句型解析：You are+…
You are my good friend.
You are a good student.
You are beautiful.
第三人称单数(He or She or It)配合is使用。

句型解析：She(He, It) is +……
She is a good girl. He is kangkang. It is a cat . be动词的种类
人称复数 (we /you/they)配合are使用。

句型解析：We (You, They) are +……
We are in Class 5,Grade 7. They are my friends. You are good students.
综合解析:
当使用be动词的时候，前面请先加上第几人称。

be动词前面的人称，是不可随意替换的。

例如：I am, You are, She is，
并不会出现I is, You am, She are 这样的情形。

Be的用法口诀： I(我)用am；
you(你),we(我们) ，they (他、她、它)们都用are;
is跟着he(他)，she(她)，it(它)；单数名词用is,复数名词全用are.
变否定，更容易，be后加上not。

变疑问，往前提，句末问号莫丢弃。

还有一条须注意，句首大写莫忘记。

用动词am, is, are填空(请注意大小写)
1. Where ______ Ann? She ______ here.
2. How old ______ you? I ______ thirteen.
3. ______ you Mr Read? Yes, I ______.
4. What ______ your name? My name ______ Fang Fang.
5. What grade ______ you in? I ______ in Grade
6. I ________ a student.
7. You ________ Japanese.
8. He _______ my brother
9. My name ________Harry.
10. Lily _________ very tall.
11 . Mary, this _________ Tom.
12. Miss Zhou ________ my teacher.
13. The cat________ black.
14. This book________ very interesting.
15 Li Lei and I __________ good friends.
16. These ________ apples.
17. Those_________ bananas
18. They _________students.
19. ________ she from China?
20. ________ you good at English?
21.The books ________ on the desk.
22.I ______ a boy. ______ you a boy? No, I _____ not.
23. What_____ this?
24. Where _____ your mother?
25. That ______ my red skirt.
26. Who ______ I?
将下列句子变为一般疑问句和否定句。

1. Maria is an English girl.
一般疑问句：
否定句：
2. His name is Li Ming.
一般疑问句：
否定句：
3.Kang kang and Jane are good friends.
一般疑问句：
否定句：
练一练：填入适当的be形式
A: Good morning!
B:Goog morning!
A: I am Kang Kang. What___ your name? B: My name ____ Michael.
A: Nice to meet you .
B: Nice to meet you,too.
A: Welcome to China.
B: Thank you.
(李雷见过李明，而且也认识翰梅。

但李明不认识翰梅，所以李雷将他们介绍互相认识)
Li Ming : Hello, I ____Li Ming . ____you Li Lei?
Li Lei : Yes ,I ____. Nice to see you.
Li Ming : Nice to see you, too.
LiLei: Hi, Han Mei. How ____ you?
Han Mei: I ____fine . Thank you . And you ?
LiLei: I am Ok. Li Ming , this ____ my friend, Han Mei.
Han Mei, this____my friend, Li Ming.
Han Mei : How do you do?
Li Ming: How do you do?。