小学英语语法be动词.ppt

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1、 Be Verbs be 动词Warm upWarm up1 PresentationPresentation2PracticePractice3ProductionProduction4CONTENTS01am02is03arebe 动词动词表示“是”I amI I amam a boy.a boy.I I amam cute.cute.“我”用 am I am=ImIm a boy.a boy.=ImIm cute.cute.I I amam a boy.a boy.I I amam cute.cute.I am 的缩写形式：Im I I amam a baby.a baby.=Im=Im

2、 a baby.a baby.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 are 缩写形式：You reYou are a kid.You are handsome.=Youre a kid.

3、=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 beautiful.=Shes beautiful.he/she/it isHis father is tall and strong.

4、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 good students.You are smart.=Youre good students.=Youre smart.人称复数（

5、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。练习一用be动词适当的词填空。1.I _ from Australia.2.She _ a student.3.Jane and Tom _ my friends

6、.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.shes(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+notI I amam a boy.a boy

7、.I I amam cute.cute.I I amam not not a boy.a boy.I I amam notnot cute.cute.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 i

8、s 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

9、 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动词的一般疑问句：be提句首含b

10、e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 students?f含be动

11、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 in Class One,Grade Six?肯

12、: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:No,they arent.8.His father is a pos

13、tman.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 you a smart boy?肯:Yes,I am.否:No,Im not.12.The

14、re 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Thank You