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1、be动词的用法,am is are,be动词的形式,be动词包括“am”, “is”, “are”三种形式,表达“是”的意思。1. 第一人称单数(I)配合am来用。句型解析析：I am+,I am Snoopy.I am ten years old. I am a student. I am a boy.,2.第三人称单数(He 或 She 或 It)配合is使用。句型解析：She/He/It is +,She is a good girl.He is so cute.It is my pet.,3.第二人称(You)配合are使用。句型解析: You are+,You are my good
2、 friend. You are a good person.You are beautiful.,4. 复数人称 (we /you/they)配合are使用。句型解析：We /You/They are +,We are in Class 5,Grade 7.You are friends.They are good students.,I am a boy.She is a good girl.He is so clever.It is my pet.You are a good person.We are in the same class.You are friends.They are
3、 good students.,be动词的陈述句,be动词的否定句,1.He is a teacher.,He is not a teacher.,2.They are boys.,They are not boys.,变否定，be动词后加not。,Have a try:,I am a good student.,I am not a good student.,be动词的疑问句,1. He is a teacher.,be动词提句首,Is he a teacher?,2. They are students.,be动词提句首,Are they students?,Have a try:,I
4、am a good student.,Am I a good student?,be动词的缩写,I am= Im You are=YoureHe is= Hes She is=We are= It is=They are=,Were,Its,Shes,Theyre,否定形式的缩写：,is not= isnt are not= arent,am not没有缩写形式！,练一练：1. I a girl.am B. is C. are2. He a boy.A. am B. is C. are3. We boys.A. am B. is C. are4. My father a doctor.A. a
5、m B. is C. are5. Tom and Jack boys.A am B. is C. are6. This a desk.A. am B. is C. are,A,B,C,B,C,B,7. They late.A. am B. is C. are8. You clever.A. am B. is C. are9. The cloud white.A. am B. is C. are10. I a student. You a teacher.A . am is B. am are C. is are11. We friends.A. am B. is C. are12. He my
6、 father. She my mother .They both doctors . A. is, is, are B. am, is, are C. is, is, am,C,C,B,B,C,A,Be的用法口诀 我（I）是am ，你（you）是are; is用于他（he）,她（she），它（it）;单数is,复数are，不要混淆记牢它; 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 。,I am = Imyou are = yourehe is = hesshe is = shesit is = itswe are = wereyo
7、u are = yourethey are = theyre,Am I .?Are you .?Is he .?Is she .?Is it .?Are we .?Are you .?Are they .?,I am.you are.he is.Yes, she is.it is.we are.you are.they are.,Im not.you arent.he isnt.No, she isnt.it isnt.we arent.you arent.they arent.,一、定义与分类,代词是代替名词及起名词作用的短语或句子的词。代词根据其意思和用法可分为人称代词、物主代词、指示代词
8、、相互代词、疑问代词、连接代词、关系代词、不定代词等九类。,Grammar: Pronouns（代词）,人称代词,人称代词用法要点,1.主格用来作句子的主语（动作的发出者）。I often go shopping on Sundays.They go to school by bus.2.宾格用来作动词或者介词的宾语（动作的承受者）。Mr. Zhang teaches me English this year.We all look at her.-Open the door, please. Its me.,3.人称代词并列用法的排列顺序 1)单数人称代词，其顺序为： 第二人称-第三人称-第
9、一人称 即：you and I; he/she/it and I; you, he/she/it and I 2)复数人称代词，其顺序为： 第一人称-第二人称-第三人称 即：we and you; you and they; we, you and they,小试牛刀：,1、写出下列人称代词的宾格形式 I_ you_ he_ she_ we_ they_2.单项选择(1)_ is a good student, all the teachers like_ very much. A. She, her B. Her, she C. He, her D. She, him(2)Mary,plea
10、se show _your picture A. my B. mine C.I D. me,me,you,him,her,us,them,A,D,you 你,you 你们,he 他,she 她,it 它,they 她们，他们，它们,人称代词,第一人称,第二人称,第三人称,人称,格,数,单 数,复 数,主格,宾格,主格,宾格,I,you,he,she,it,me,you,him,her,it,we,you,they,us,you,them,人称代词,人称代词有主格和宾语之分：主格用作主语，宾格用作宾语。,1.人称代词主格：作主语，表示谁怎么样了，干什么了。 例句：I am a teacher.
11、You are student. He is a student, too. They are students.,2.人称代词宾格：作宾语，表示动作行为的对象，用在动词或介词后。 例句：Give it to me. Lets go. (lets =let us),人称代词知识要点,当主语为并列的几个人称代词时， I要放在最后，you要放在最前。人称代词在并列使用时的顺序为 “第二人称，第三人称，第一人称”。 You, he and I are all students.注：但承认错误时，I 通常在最前。 I and Mary are to blame(责备).,练习1.写出下列人称代词的宾格
12、形式 I_ you_ he_ she_ we_ they_2.单项选择(1) _ is a good student. All the teachers like_ very much. A.She,her B.Her,she C.He,her D.she,him(2) Mary,please give（给） _ your book. A.my B.mine C.I D.me,him,you,me,her,us,them,说明事物所属关系的代词，分为形容词性和名词性两种,my,your,his,her,its,our,your,their,二.物主代词,形容词性物主代词相当于形容词 (my/y
13、our/his/her/its/our/their)+名词,Is this your book?Is that your umbrella?They are their books.Our school is very beautiful（美丽的）.,1. What is _(她的)English name？2. _(我的)father is a doctor.3. Where is _(你们的)library?4. _(我)have a pet cat. _(它的)name is Joy.5. _(我们的)classroom is big.6. _(他们的) books are colorf
14、ul.,her,My,your,I,its,Our,Their,练一练！,( )1.She gives the erasers to Lucy and _. A. I B. me C. my D. mine,( )2.There are some apples behind_. A. him B. they C. he D. my,( ) 3._go to school every day. _ like school very much. A. Tom and I, We B.I and Tom, We C. Tom and me, We D.Tom and I, They,B,A,A,(
15、)4.Can you let _ go with_? A. him,I B.he,I C. he,me D. him,me,D,( )5. Only _ know it. A. I and he B. he and you C. he and I D. I and you,C,( )6. _like sports very much, but they only watch_ on TV. A. they,they B.them, them C. they, them D. them, they,( )7. The boys like English, _read(看,读) it every day. so_English is very good. A. they,them B. they,their C. their, they D. them, they,C,B,Thank You!,
