2022-2023学年人教版七年级英语上册 be 动词课件(共24张PPT)

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2022-2023学年人教版七年级英语上册 be 动词课件(共24张PPT)

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(共24张PPT)
be动词的用法
课程名称:be动词的用法
教学内容:1.be动词与人称代词的搭配
2.be动词的句型
教学对象:七年级新生
教学目标:1.掌握be动词形式用法
2.掌握be动词句型
教学重难点:be的一般疑问句
课前测
am
is
are
you
I
he
she
it
知识卡片一:be(am ;is;are)
be动词 缩写
I am I'm
you are you're
he/she/it is he's/she's/it's
we are we're
they are they're
口诀:我(I)用am,你,你们(you)用are, is 跟着他( he ) ,她( she ) ,它( it ), 单数名词用is,复数名词全用are。
注意:如果主语是称呼语,单数名词,不可数名词,人名, 地名等,be动词也用is.
复数人名或者复数名词的时候,be动词用are.
eg: Beijing is a beautiful country。
Milk is my favorite drinking.
Amy is my sister。
The girls are from England.
Tom and Jerry are good friends.
例题
1.I ________from Australia.
A.am B. is C. are
1.A
2.Zhengzhou ________ my hometown(家乡).
A.am B. is C. are
2.B
3.Ms. Gao _____ our teacher. She ____ tall.

A are; are B are; is C is; is
3.C
4. Ann and Grace _____ in the classroom.

A is B am C are
4.C
习题
1.Mr.Liu _______ an English teacher.
A.am B. is C. are
2.The panda _______ very cute.
A.am B. is C. are
3. Frank and Dale ________ from China.
A.am B. is C. are
4.My little borther and his friends playing games now.
A.am B. is C. are
5.My English name_______ Michael.
A is B are C am
6.My parents _______very busy every day.
A is B are C am
1.B 2.B 3.C 4.C 5.A 6.B
知识卡片二:Be动词的句型转换
一:be 动词的否定形式:
含有be动词的陈述句变为否定句:
在be动词后面加not
主语+be+ not+其他。
am not, is not= isn't, are not= aren't
例如:
He is a good boy. He is not a good boy.
例题
1.They are in the school. (改为否定句)
_______________________
They are not in the school.
习题
1.I'm a Chinese boy.(变为否定句)
————————————————
2.You are good. (变为否定句)
————————————————
3 .She is 12 years old. (变为否定句)
————————————————
4.My brother is a teacher.(变为否定句)
————————————————
答案
1.I'm not a Chinese boy.
2.You are not good.
3 .She is not 12 years old.
4.My brother is not a teacher.
二:变为一般疑问句:Be+主语+其他?
肯定回答:Yes,主语+相应的be 动词
否定回答:No, 主语+相应的 be 动词+not
例题:
He is a good boy. Is he a good boy
They are in the school. Are they in the school
I am/ we are 变疑问句时要换成 are you,回答则不变。
--I am hungry.
--Are you hungry (Yes,I am./No,I am not)
--We are good friends.
--Are you good friends (Yes,we are./No,we aren't)
注意:
例题
I am very happy.(改为一般疑问句并作肯定回答)
————————————————
答案:
Are you very happy
Yes, I am.
She is 12 years old. (变为一般疑问句并做肯定回答)
————————————————
答案:
Is she 12 years old
Yes, she is.
总结
作业
用be动词填空。
1.I______ a boy.
2.The girl______ Jack's sister.
3. The dog and the cat _______ very cute.
4. The man with big eyes _______ a teacher.
5.My friends and I from China.
作业(答案)
用be动词填空。
1.I___am___ a boy.
2.The girl__is____ Jack's sister.
3. The dog and the cat ___are____ very cute.
4. The man with big eyes __is_____ a teacher.
5.My friends and I are from China.
1. They are playing football.
否定句:
一般疑问句:
回答:
2. I am very happy to see you.
否定句:
一般疑问句:
回答:
3. His uncle is leaving for Beijing.
否定句:
一般疑问句:
回答:
1. They are playing football.
否定句: They are not playing football.
一般疑问句:Are they playing football
回答:Yes,they are. No, they are not.
2. I am very happy to see you.
否定句: I am not very happy to see you.
一般疑问句:Are you very happy to see me
回答:Yes, I am. No,I am not.
3. His uncle is leaving for Beijing.
否定句: His uncle is not leaving for Beijing.
一般疑问句:Is his uncle leaving for Beijing
回答:Yes, he is. Yes, he is not.
Thank you!

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