be动词的用法(共16张PPT).ppt

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1、 Be动词的用法双溪九年制学校双溪九年制学校杨志鹏be的形式beamisare是,为，在waswerebeenI am Li Ming.I am Jenny.I am from Canada.I am a student.Im here.Im satisfied with your work.(I am=Im)一个“我”（I）后用am，缩写形式是Im。He is in Class Four.She is in Class Five.It is a book.My father is a teacher.This is our classroom.Li Ming is my classmate.

2、Jenny is from Canada.一个他/她/它后用is，缩写形式是s。They are my friends.We are from Canda.Li Ming and Jenny are friends.Jenny and I are good friends.You are my friend.All of them are friendly.Chinese people are great.There are mine.两个/你后要用are，缩写形式是re。运用口诀运用口诀1：be的形式很多样，现在时态有三个，的形式很多样，现在时态有三个，我（我（I）后）后am，你，你(you

3、)后后are，is跟着他跟着他(he)她她(she)它它(it)，单数单数is,复数复数are,其实用法很简单。其实用法很简单。学以致用学以致用 1.I am a girl.2.You are a teacher.3.He is my father.4.She is fine.5.It is a ruler.6.His pen is red.7.My cat is nice.8.We are friends.9.They are good boys.10.Li Ming and Li Hua are students.例句演示例句演示11.You are a boy.You arent a b

4、oy.Are you a boy?Yes,I am.(肯定回答不能缩写肯定回答不能缩写.)No,Im not.熟能生巧：熟能生巧：He is a teacher._.(否定句否定句)_?(变一般疑问句变一般疑问句)Yes,_.No,_.例句演示例句演示22.Im a good student.Im not a good student.Are you a good student?(变为一般疑问句时第一人称换为第二人称变为一般疑问句时第一人称换为第二人称)Yes,I am.(肯定回答不能缩写肯定回答不能缩写.)No,Im not.现学学现卖：Im a doctor._.(否定句否定句)_？(一

5、般疑问句一般疑问句)Yes,_.No,_.例句演示例句演示33.This is my key.This isnt my key.Is this your key?Yes,it is.(肯定回答不能缩写肯定回答不能缩写.)No,it isnt.注：注：以以this,that 作主语的问句，回答用作主语的问句，回答用Yes,it is.No,it isnt.而以而以these,those作主语的问作主语的问句，回答用句，回答用Yes,they are.No,they arent.触触类旁通：旁通：These are my classmates._.(否定句否定句)_?(一般疑问句一般疑问句)Yes

6、,_.No,_.运用口诀运用口诀2有有be句型句型变否定，否定，be后后not加起来加起来有有be句型一般疑句型一般疑问句，句，be动词提前加提前加问号？号？肯定回答肯定回答:Yes 主主+be,否定回答否定回答:No主主+be not.is not=isnt are not=arentIs this.?/Is that.?/Is it.?回答都是回答都是:肯定回答：肯定回答：Yes,it is.否定回答：否定回答：No,it isnt.Are these./Are those.?/Are they.?回答都是回答都是:肯定回答：肯定回答：Yes,they are.否定回答：否定回答：No,t

7、hey arent.看一看，找规律1.I was a student 2 years ago.2.He was 15 years old last year.3.Li Mings grandfather was a doctor.4.My best friend was in the classroom just now.5.We were in Hanzhong yesterday.6.They were students last year.7.Were Li Ming and Danny in the U.S.A.last month?8.-Were these students in

8、Grade 7 last term?-Yes,they were./No,they werent.过去式有两个，单数后面用was，复数后面全用were.看一看，找规律1.I have been to Xian for many times.2.He has been here for 3 years.3.-Have you been to Beijing?-Yes,I have.4.-Has Li Ming been here for a long time?-No,he hasnt.过去分词就一个，have/has后用been。学以致用(用be的适当形式填空)：1.I _ late for

9、school this evening.2._she a student last year?3.They _ in Nanjing last week.4.I have_ in Chenggu for 3 years.5.-_ LI Ming in Canda?-No,he wasnt.He was in the U.K.6.Li Ming and Danny _ playing football on the playground at 3:00pm.7.He _punished by his father just now.挑战自我：挑战自我：用be动词填空，改为否定句和一般疑问句作肯定

10、否定回答。1、I a girl.2、She my friend.3、Jenny and Li Ming good friends.4、This an English book.5、My mother a teacher.6、I a student 7 years ago.7、The boy not very good.8、He and I classmates.9、I has_in Chenggu since I _born.10、These books _ mine.11、Not only you but also Danny _ wrong on this matter.(2016年陕西渭南中考题)小小 结结1.be的形式很多样，现在时态有个，我用am，你用are，is跟着他(he)她(she)它(it)，单数后面用is，复数后面全用are.2.过去式有两个，单数后面用was，复数后面全用were.3.过去分词就一个，have/has后用been。变疑问，往前提，句末问号别丢弃。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。