Unit 1人称代词主格和be动词的用法

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。
用动词am, is, are填空(请注意大小写) is is 1. Where ___Ann? She ____in the classroom. 2. How old ______ are you? I ______ am thirteen. 3. ______ Are you Mr. White? Yes, I ______. am 4. What ______ your name? is is Fang Fang. My name ______ 5. What grade ______ are you in? I ______ am in Grade Two.
You’re a girl. It is a dog. It’s a pencil. He is tall. She is short. What’s this?
Be的用法
• 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。
He is a kind man.
20. Her aunt is a model.(模特)
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 aren't. Are you ...? Yes,I am. No,I'm not. Is he ...? Yes ,he is. No, he isn't. Is she...? Is it...?
• • • •
复数： Are we...? Yes,you are.No,you aren't. Are you ...?Yes,we are. No,we aren't. Are they....?Yes,they are.No,they aren't.
改写句子
例：I am a boy. I am Mary. You are Kitty. I’m a boy. I’m Mary. You’re Kitty. You are a girl. It’s a dog. It is a pencil. He’s tall. She’s short. What is this?
We 我们)are girls. ____(
You ___(你)are a girl.
You ____(你们)are girls.
He 他)is a boy. ___(
They 他们)are boys. _______(
She 她)is a girl. _____(
They ____(她们)are girls.
用be动词(is,am,are)的适当形式填空:
1. I ______ am a boy. ______ Are you a boy? 2. The girl______ is Jack's sister. Is 3. ______ your brother in the classroom? is your mother? 4. Where _____ 5. How _______ your father? is are at school. 6. Mike and Liu Tao ______ is my red skirt. 7. That ______ 8. Who ______ am I? .
• 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.
I’m a girl. You’re a girl. He’s a boy. She’s a girl. It’s a cat.
we are they
所有复数
you
缩写形式
you are = you’re we are = we’re
they are = they’re
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…
It 它)is a bird. ____(
They ____(它们)are birds.
Be的用法
am
be 动词
is
表示“是”
are
I
I am
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？
I
am
I’m short. I’m
• • • • •
We are girls. You are girls. They are boys. They are girls. They are cats.
We’re girls. You’re girls. They’re boys. They’re girls. They’re cats.
所有单数和不可数名词
缩写形式
he she is it
he is = he’s
she is = she’s it is = it’s
所有单数和不可数名词
we are they
所有复数
you
You are a boy. 你是一个男生。 You are friends. 你们是朋友。 We are friends. 我们是朋友。 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。
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 he he 3. Miss Liu she 4. my family it/they 5. my cousin and I we 6. our pencils they 7. its tail it 8. his grandmother she 9. your T-shirt it 10.Bob he 11. their pears they 12. the park it 13. Jenny she 14.the animals they 15. my mother and father they
• 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.
I 我)am a girl . ___(
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 they she 她 他们 她们它们 it 它
he 代指男性他，she 代指女性她，it 指代动 物或物品。但若是宠物也可以用 she 或he. eg. I am a boy. She is tall. look at the cat ,it's lovely!
看看它们的缩写形式吧
• • • • • • • • • • I am=I’m you are=you’re he is =he’s she is =she’s it is=it’s we are=we’re you are=you’re they are=they’re is not=isn’t are not=aren’t
16. The car is red.
It is red.
17. These books are on the desk.
They are on the desk.
18. My mother and I are at home.
We are at home.
19. Mr. Smith is a kind man.
填写正确的be动词
Lisa: Tom, this is my friend, Mary. Mary, this ______ is my friend Tom . Tom: Nice to meet you, Mary. How ________ are you? Mary: Fine, thanks. And you? am great. Hey….. ________ Are you from New York? Tom: I ________ are you from? Mary: Yes, I am. Where ________ am from Canada. Tom: I _________ Mary: My mother _____ mother? is an Engish teacher.What ___your is Tom: A policewoman. is a policeman. Mary: Really? My father ____ Tom: Haha! My fahter _______ is a policeman,too. Mary: Let’s make good friends. Tom: OK!