《be动词的用法(共16张PPT).ppt》由会员分享，可在线阅读，更多相关《be动词的用法(共16张PPT).ppt（16页珍藏版）》请在三一办公上搜索。
1、,Be动词的用法,双溪九年制学校杨志鹏,be的形式,be,am,is,are,是,为，在,was,were,been,I 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 clas
2、smate.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1：,be的形式很多样，现在时态有三个，我（I）后am，你(you)后are，is跟着他(he
3、)她(she)它(it)，单数is,复数are,其实用法很简单。,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1,1.You are a boy.You arent a boy.Are you a boy?Yes,I am.(肯定回答不能缩写.)
4、No,Im not.熟能生巧：He is a teacher._.(否定句)_?(变一般疑问句)Yes,_.No,_.,例句演示2,2.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)Yes,I am.(肯定回答不能缩写.)No,Im not.现学现卖：Im a doctor._.(否定句)_？(一般疑问句)Yes,_.No,_.,例句演示3,3.This is my key.This isnt my key.Is this your key?Yes,it is.(肯定回答不能
5、缩写.)No,it isnt.注：以this,that 作主语的问句，回答用Yes,it is.No,it isnt.而以these,those作主语的问句，回答用Yes,they are.No,they arent.触类旁通：These are my classmates._.(否定句)_?(一般疑问句)Yes,_.No,_.,运用口诀2有be句型变否定，be后not加起来有be句型一般疑问句，be动词提前加问号？肯定回答:Yes 主+be,否定回答:No主+be not.is not=isnt are not=arentIs this.?/Is that.?/Is it.?回答都是:肯定回
6、答：Yes,it is.否定回答：No,it isnt.Are these./Are those.?/Are they.?回答都是:肯定回答：Yes,they are.否定回答：No,they 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
7、 students last year.7.Were Li Ming and Danny in the U.S.A.last month?8.-Were these students in 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 M
8、ing 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 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 footba
9、ll on the playground at 3:00pm.7.He _punished by his father just now.,挑战自我：用be动词填空，改为否定句和一般疑问句作肯定否定回答。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 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。,
