be动词的用法教学

1、Be 动词今天给大家讲解的是be 动词，你知道什么是be 动词吗？它又有哪些形式呢？be 动词的三种基本形式为：am， is ， are 。be 动词的用法： 一般来说 be 动词要根据主词的人称来选择。 （如下表）单数（ I ）：am第一人称I am a boy.我是一个男孩。I am not a boy.我不是一个男孩。Are you a boy? Yes, I am./ No, I am not.你是一个男孩吗？是的，我是。/ 不，我不是。复数 (we): areWe are Chinese.我们是中国人。We are not Chinese.我们不是中国人。Are you Chines

2、e? Yes, we are./ No, we aren't.单数（ you 你）：are第二人称你们是中国人吗？是的，我们是。/不，我们不是。You are a girl.你是一个女孩。You are not a girl.你不是一个女孩。Are you a girl? Yes, I am. / No, I am not.你是一个女孩吗？是的，我是。/ 不，我不是。复数 (you 你们 ): areYou are very young.你们非常年轻。You are not very young.你们不是很年轻。Are you very young? Yes, we are./No,

3、we aren't.She is in China.她在中国。单数（ he/she/it）： isShe is not in China.她不在中国。第三人称Is she in China? Yes, she is. / No, she isn't.她在中国吗？是的，她在。 / 不，她不在。复数 (they): areThey are very sad.他们很伤心。They are not very sad.他们不是很伤心。Aretheyverysad?Yes,theyare./No,theyaren't.他们很伤心吗？是的，他们很伤心。/不，他们不伤心。精品文库温馨提

4、示：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 动词的用法口诀：我 (I) 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 ；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。练习一一、用 am, is, are 填空1) I _a student.2) You _ a doctor.3) _she from Jinan?4) _ y

5、ou American?5) He _ in Class 4, Grade 1.6) It_ a car.7) They _ cars8) _ your mother in China?9) _your friends in New York?10) What _her name?11) These _ buses.12) Those _oranges.13) Where _ her mother?14) How old _your teacher?15) What class _ you in?二、模仿Eg.That is a book.否定句： That is not a book.疑问句

6、： Is that a book？回答：Yes, it is. / No, it isnt.1. This is a coat.否定句：疑问句：回答：欢迎下载2精品文库2. I am a student.否定句：疑问句：回答：3. You are a star.否定句：疑问句：回答：4. These are apples.否定句：疑问句：回答：三、在下面的短文中填上恰当be 动词。I _ a girl. My name _ Mary. I _ in Class 2, Grade 7. I _12 years old. Here _ my family photo. Look! These _

7、my parents andthose _ my grandparents. This boy _ my brother. He _ 15 yearsold now. That _ my cat, Mimi. It _ very lovely.练习二一、在下面的题目中填上恰当的Be 动词。1. I _from Australia.2. She _ a student.3. Jane and Tom _my friends.4. My parents _very busy every day。5. I _ a boy. _ you a boy? No, I _ not.6. The girl_

8、Jack ssister.8. The dog _ tall and fat.9. The man with big eyes _ a teacher.10. _ your brother in the classroom?11. Where _ your mother? She _ at home.12. How _ your father?13. Mike and Liu Tao _ at school.14. Whose dress _ this?15. Whose socks _ they?16. That _ my red skirt.17. Who _ I?18.The jeans

9、 _ on the desk.19. Here _ some sweaters for you.20. The black gloves _ for Su Yang.21. This pair of gloves _ for Yang Ling.22.Where_the bag?It _ on the table.Where _the bags?They _on the table.欢迎下载3精品文库23.Where _your pen?It _under the sofa.Where_your pens? They _under the sofa.24.Where _her backpack

10、s?They _on the chair.Where_her backpack?It _on the chair.二、用 BE 动词的正确形式完成下列句子。1.I _ a student.6. You _ students.2.She _ a student.7. We _ students.3.He _ a student.8. You and I _ students.4.It _ a country.9. They _ students.5.You _ a student.10. Jim and Tom _ in America.三、英语陈述句变一般疑问句和否定句，和一般疑问句回答。1.I'm in Clas