初中英语BE动词总结.doc

Be动词的用法总结及专项练习Be动词的用法口诀:be动词amisare,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。我们（we）你们（you）和他们（they）都用are;过去式amis变was,are变were;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。一、Be动词与人称代词的搭配1、基本形式：am、are、is（1）am第一人称I+am (注意：“I”无论何时都要大写，不管位于句首还是句中)例：I am a beautiful girl. I am twenty.（2）are第二人称you+are;一人称复数we+are；三人称复数they+are其他复数名词+are (注意：第二人称单复数同形，都为you)例：You are my good friend. We are in the same class.They are on the road. The books are on the desk.(3 is第三人称he(男) +is ; she(女)+is; it(不是人)+is;其他单数名词+is例：HeShe is a good student. It is a white cat.A dog is on that street.2、肯定、否定、疑问（等于号后是简写）肯定否定be动词后加not一般疑问be动词移到主语前一般疑问否定一般疑问回答肯定和否定I am =Im .I am not=Im not .Am I?Am not I?Yes,Im.No,Im not.You are= youreYou are not=You arentAre you?Are not you. .? =Arent you?Yes,you are.No,you are not.SheHeIt is=SheHeIt is not =SheHeIt isntIs sheheit?Is not sheheit? =Isnt sheheit?Yes,sheheIt is.No,sheheIt is not.We are=WereWe are not=We arentAre we?Are not we?=Arent we?Yes,we are.No,we are not.They are=TheyreThey are not=They arentAre they?Are not they?=Arent they?Yes,they are.No,they are not.例：Iam(not) from London.My eyes are(not) small.My hair is(not) long.Am I a Chniese?回答：肯定：Yes, you are.否定：No, you arent.Is the cat fat?回答：肯定：Yes, it is.否定：No, it isnt.注意：在一般疑问回答中，肯定回答除Im不可简写,否定回答均可简写。另：特殊疑问句中：WhereHowWhoWhatWhy+be动词+人称代词或名词？例：What is your name? My name is Lili. Where are you? Im in the classroom.二、Be动词专项练习题（一）用be动词适当的词填空。1. I _ from Australia.2. She _ an English student.3.Mike 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.11.My name _ Li Lei. I _ twelve.12._they your new friends?13. I _ a boy. _you a boy? No, I _ not.14. The girl_ Jacks sister.15. The dog _ tall and fat.16. _ your brother in the classroom yesterday?17. Where _ your mother? She _at home.18. Whose dress _ this?19.That _ my red skirt.20.Who _ I?21. Some tea _ in the glass.22.Jhon _ busy last weekend.23. My sisters name _Nancy.24. This _ not Wang Fangs pencil.25. _ David and Helen from England?26.We _ friends.27.She _ a teacher.28.I _ a girl.29.Many ants _ in my house.30.His mother _ fat.（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.is/am(过去式形式) _7.shes(完整形式) _ 8.its(完整形式) _9.theyre(完整形式) _ 10.are(过去式形式) _（三.）将下列句子变成否定句和一般疑问句1.His brother is a teacher.否定句:_一般疑问句:_2.They are his parents.否定句:_一般疑问句:_3.I was busy last weekend.否定句:_一般疑问句:_4.Lucy is gong to the bookstore tomorrow.否定句:_一般疑问句:_5.I am an English teacher .否定句:_一般疑问句:_6.They were busy yesterday.否定句:_一般疑问句:_7.I am going to visit my grandparents this weekend.否定句:_一般疑问句:_8.You were happy yesterday.否定句:_一般疑问句:_9.We are twins.否定句:_一般疑问句: _10.Mike was tired last weekend.否定句: _一般疑问句:_