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1、Unit 1,主格人称代词和be 动词,I am Tom, I am a boy. Betty is a girl. She is my sister.We are from Beijing. Bunny is a rabbit. He is clever.,主格人称代词： 用来指代人、物品和动物。,人称代词,I 我,we 我们,you你,you 你们,he他,she 她,it 它,they 他们 她们它们,主格人称代词,I 我,we 我们,you你,you 你们,he他,she 她,it 它,they 他们 她们它们,he 代指男性他，she 代指女性她，it 指代动物或物品。但若是宠物也可
2、以用 she 或he. eg. I am a boy. She is tall. look at the cat ,its lovely!,第二人称的单数和复数都用you. You are a good friend,John.,不管是人还是物，第三人称的复数都是they. -Where are the children? -They are in the street.,_(我)am a girl .,I,_(我们)are girls.,We,_(你)are a girl.,You,_(你们)are girls.,You,_(他)is a boy.,He,_(他们)are boys.,The
3、y,_(她)is a girl.,She,_(她们)are girls.,They,_(它)is a bird.,It,_(它们)are birds.,They,Be的用法,表示“是”,am,I,I am “我是” I am a girl. 我是一个女生。 I am tall. 我是高的。 Who am I ? 我是谁？,am,I,I am的缩写形式：Im Im a girl. Im short. Im Kitty.,is,he,she,it,所有单数和不可数名词,He is a boy. 他是一个男生。,she is a girl. 她是一个女生。,It is a dog. 它是一只小狗。,
4、The pencil is long. 这只笔是长的。（某物） Kitty is thin. Kitty是痩的。（某人） The milk is white. 牛奶是白色的。(不可数）,is,he,she,it,所有单数和不可数名词,he is = hes,she is = shes,it is = its,缩写形式,are,you,所有复数,they,You are a boy. 你是一个男生。 You are friends. 你们是朋友。,They are friends. 他们是朋友 。 They are monkeys. 它们是猴子。,My eyes are big. 我的眼睛是大的
5、。,we,We are friends. 我们是朋友。,are,you,所有复数,they,you are = youre,they are = theyre,缩写形式,we,we are = were,I am 我是 We are我们是 You are你是 You are你们是 He is/She is /It is他/她/它是 They are 他们她们它们是,看看它们的缩写形式吧,I am=Im you are=youre he is =hes she is =shes it is=its we are=were you are=youre they are=theyre is not=
6、isnt are not=arent am not永远没有缩写形式。,I am a girl . You are a girl. He is a boy. She is a girl. It is a cat.,Hes a boy.,Im a girl.,Shes a girl.,Its a cat.,Youre a girl.,We are girls. You are girls. They are boys. They are girls. They are cats.,Theyre boys.,Were girls.,Theyre girls.,Theyre cats.,Youre g
7、irls.,代词练习题,一、用人称代词代替下列各词或划线部分：,1. Mr. Li 2. her uncle 3. Miss Liu 4. my family 5. my cousin and I 6. our pencils 7. its tail 8. his grandmother 9. your T-shirt 10.Bob 11. their pears 12. the park 13. Jenny 14.the animals 15. my mother and father,he,she,they,they,it,it/they,he,she,it,they,they,she,i
8、t,he,we,16. The car is red. 17. These books are on the desk. 18. My mother and I are at home. 19. Mr. Smith is a kind man. 20. Her aunt is a model.(模特),It is red.,They are on the desk.,We are at home.,He is a kind man.,She is a model.,含有be动词的一般疑问句及其简短回答 单数： Am I ? Yes,you are. No ,you arent. Are you
9、 .? Yes,I am. No,Im not. Is he .? Yes ,he is. No, he isnt. Is she.? Is it.?,复数： Are we.? Yes,you are.No,you arent. Are you .?Yes,we are. No,we arent. Are they?Yes,they are.No,they arent.,be 动词练习题,例：I am a boy. Im a boy.,I am Mary.,Im Mary.,You are Kitty.,Youre Kitty.,Youre a girl.,You are a girl.,It
10、 is a dog.,Its a dog.,Its a pencil.,It is a pencil.,He is tall.,Hes tall.,She is short.,Shes short.,Whats this?,What is this?,改写句子,连系动词be是am, is, are三者的原形，一般不直接出现在句子中，而是以am, is, are的形式出现。因此建议用歌谣熟记be的用法: 我（I)用am, 你(you)用are，is用在他、(he)她(she)、它(it); 单数is复数are, 学好英语就靠它。,Be的用法,用动词am, is, are填空(请注意大小写) 1.
11、 Where _Ann? She _in the classroom. 2. How old _ you? I _ thirteen. 3. _ you Mr. White? Yes, I _. 4. What _ your name? My name _ Fang Fang. 5. What grade _ you in? I _ in Grade Two.,is,are,am,is,Are,is,am,is,are,am,用be动词(is,am,are)的适当形式填空:,1. I _ a boy. _ you a boy? 2. The girl_ Jacks sister. 3. _ y
12、our brother in the classroom? 4. Where _ your mother? 5. How _ your father? 6. Mike and Liu Tao _ at school. 7. That _ my red skirt. 8. Who _ I? .,am,Are,is,Is,is,is,are,is,am,填写正确的be动词 Lisa: Tom, this is my friend, Mary. Mary, this _ my friend Tom . Tom: Nice to meet you, Mary. How _ you? Mary: Fin
13、e, thanks. And you? Tom: I _ great. Hey _ you from New York? Mary: Yes, I am. Where _ you from? Tom: I _ from Canada. Mary: My mother _ an Engish teacher.What _your mother? Tom: A policewoman. Mary: Really? My father _ a policeman. Tom: Haha! My fahter _ a policeman,too. Mary: Lets make good friends. Tom: OK!,is,are,am,Are,are,am,is,is,is,is,
