初一英语：一般现在时中be动词的使用
学习重点：
一般现在时中be动词的使用。
学习内容：
一．be动词：
动词be (am, is, are)说明身份、年龄、状态等
I am a teacher.
I am 21 years old.
I’m very healthy.
二、be动词的人称变化：
第一人称I，后面的动词用am;
第三人称he/she/it, 后面的动词用is;
第一人称复数we, 第二人称you, 第三人称复数they，后面的动词用are.
三、be 动词在一般疑问句和否定句中的表达：
--- Are you the student from Class Two?
--- No, I’m not.
--- Is he Canadian?
--- No, he isn’t.
--- Are they fond of pop music?
--- No, they aren’t.
从上面例句中可看出，动词be一般现在时的一般疑问句中把be提到句首，它的否定句式是在be后直接加not。
四、be 动词的具体使用：
1．be + 形容词
I’m very tired.
He is handsome and smart.
The vegetables are fresh.
It’s hot today.
The traffic is always heavy.
The book is interesting.
My trip to Paris is exciting.
Their opinion is different from mine.
She is kind enough to help me out.
My room is rather small.
The stories in the book are scary.
Sue and Sam are friendly to me.
2. be + 名词
Mike is a Canadian teacher.
They are my close friends.
She is a nice girl.
They are baseball players.
This is a new type of jazz.
That’s a good idea.
Moscow is a busy city.
Grace is a clever boss.
They aren’t my notebooks.
I am a patient teacher.
Cindy is a housewife.
Jake is an engineer.
Both of her parents are scientists.
3. be + 介词短语
The flowers are in the vase.
She is at home now.
Are they from Russia?
The teacher and the students are in the classroom.
Mark is in front of the room.
Look！I’m right here.
There is a new cinema around here.
4. be + 形容词短语
He is only 7 years old.
My holiday is always long enough.
They are tired and hot.
5. be +副词
The game is over.
I’m home.
They are abroad.
There is a post office nearby.
What’s up?
Time is up.
She will be around here.
6. 用于表示时间：
Today is Sunday.
The next match will be at 7.
The following holiday is National Day.
The business hour is from 9 a.m. to 6 p.m.
7. 用于现在进行时：
Peter is running in the heavy rain.
We are leaving here next Monday.
I’m coming to see you.
They are taking notes in class.
练习：
一、阅读下面短文并回答问题：
Robert Brown
Robert Brown is a student. He is from Italy. He is 21 years old. He studies English every day. Peter is his teacher. Peter is a good teacher. He is kind and patient. Robert and Peter are in the classroom
