1、小学英语语法be动词21 234CONTENTS3be 动词动词表示“是”I am“我” 用 am I am I am 的缩写形式： Im I am 6 months old. =Im 6 months old. You are “你”用 areYou are my friend.You are a good girl.You are beautiful.You areYou are my friend.You are a good girl.You are beautiful.=Youre my friend.=Youre a good girl.=Youre beautiful.You a
2、re 缩写形式：You reYou are a kid.You are handsome.=Youre a kid.=Youre handsome.he/she/it isShe is my mother.He is my father.It is my dog. is跟着单数和不可数名词he/she/it isShe is my mother.He is my father.It is my dog.=Shes my mother.=Hes my father.=Its my dog. 缩写形式 ：She is a teacher.=Shes a teacher.She is beautif
3、ul.=Shes beautiful.he/she/it isHis father is tall and strong.Beth is beautiful.The pencil is long.The dog is yellow.Chips nose is big.HeSheItItIt可以被he she it 替代的都是第三人称单数，用is。人称复数（we /you /they）+ areWe are students.We are in Grade One.=Were students. =Were in Grade One.人称复数（we /you /they）+ areYou are
4、 good students.You are smart.=Youre good students.=Youre smart.人称复数（we /you /they）+ areThey are my friends.They are beautiful.=Theyre my friends.=Theyre beautiful.人称复数（we /you /they）+ areThey are You are We are简写形式:=Youre =Theyre =Were总结：be 动词：am is are be 动词用法： 我用am ，你用are ，is 跟着他她它。 单数is，复数are。练习一
5、用be动词适当的词填空。1. I _ from Australia.2. She _ a student.3.Jane and Tom _ my friends.4. My parents _ very busy every day.6.I _ an English teacher now.7.Where _ you from?10.The light _ green.练习二.写出下列词适当形式:1.I am (缩略形式) _ 2.is (复数)_3.we are (缩略形式) _ 4.are not(缩略形式) _5.is not (缩略形式) _ 6.can not(缩略形式) _ 7.s
6、hes(完整形式) _ 8.its(完整形式) _ 9.theyre(完整形式) _ 10.dont(完整形式) _2.含be的否定句：be+not含be的否定句：be+not变否You are my friend.You are a good girl.You are beautiful.You are not my friend.You are not a good girl.You are not beautiful.含be的否定句：be+notShe is my mother.He is my father.It is my dog.She is not my mother.He is
7、 not my father.It is not my dog.含be的否定句：be+not变否We are students.We are in Grade One.We are not students.We are not in Grade One.含be的否定句：be+not变否You are good students.You are smart.You are not good students.You are not smart.They are my friends.They are beautiful.They are not my friends.They are not
8、beautiful.变否变否练习1.His brother is a teacher.否定句: 2.Those are his parents.否定句: 3.Im 14 years old.否定句: 4.The ruler is on the table.否定句: 5.Tom is my teacher .否定句: 6.My shoes are 20 yuan .否定句: 7.This is a pen .否定句: 3.含be动词的一般疑问句一般疑问句：是疑问句的一种。它是一般只用yes(是)或no(否)来回答的句子。朗读一般疑问句时用升调，而一般疑问句的简略答语则用降调。含be动词的一般疑问
9、句：be提句首含be动词的一般疑问句：be提句首He is a teacher.Is he a teacher?be 动词提前，首字母大写，其他部分照抄，句号变问号。You are a good girl.Are you a good girl?I am a boy.Are you a boy?第一人称变第二人称含be动词的一般疑问句：be提句首We are students.be 动词提前，首字母大写，其他部分照抄，句号变问号。You are girls.Are you girls?They are friendsAre they friends?第一人称变第二人称Are you stude
10、nts?f含be动词的一般疑问句：be提句首1. I am a teacher.一疑: Are you a teacher?肯: Yes,I am. 否: No,Im not.2. They are new students.一疑:Are they new students?肯: Yes,they are. 否:No, they arent.3. He is a good boy at home.一疑:Is he a good boy at home?肯: Yes,he is. 否:No, he isnt.4. Bob is in Class One, Grade Six.一疑:Is Bob
11、in Class One ,Grade Six?肯: Yes,he is. 否:No, he isnt.5. She is from Jinan.一疑:Is she from Jinan?肯: Yes,she is. 否:No,she isnt.6.I am a good student at school.一疑:Are you a good student at school?肯: Yes,I am. 否:No,Im not.7.They are in the teachers office.一疑:Are they in teachers office?肯: Yes,they are. 否:
12、No,they arent.8.His father is a postman.一疑:Is his father a postman?肯: Yes,he is. 否:No,he isnt.改写句子：含be动词的一般疑问句：be提句首9. She is a singer.一疑:Is she a singer?肯: Yes,she is. 否:No,she isn,t.10. They are reading books.一疑:Are they raeding books?肯:Yes,they are. 否:No, they aren,t.11.I am a smart boy.一疑:Are yo
13、u a smart boy?肯: Yes,I am. 否:No, Im not.12.There is a dog over there.一疑:Is there a dog over there?肯: Yes, there is. 否:No,there isnt.13.His brother is a good- looking boy.一疑:Is his brother a goog-looking boy?肯: Yes,he is. 否:No ,he isnt.14.We are friends.一疑:Are you friends?肯: Yes,we are. 否:No, we arent.15.It is sunny today.一疑:Is it sunny today?肯: Yes,it is.否:No, it isnt.含be动词的一般疑问句：be提句首
