第三讲代词,be动词介词

• In front of
in front of us, in front of the house
• Under under the desk, under the bed
• Next to next to the window, next to the gate
• Between between the two hills
பைடு நூலகம்
He’s married.
Is he happy?
yes, he is.
It’s warm today.
Is it cold today?
No, it isn’t.
They are at school.
Are they at home? No, they aren’t.
Lucy is lovely.
To be
be动词的形式：
am am 用于第一人称单数I, 可以缩写为I’m
Be is
is用于第三人称单数she, he, it 及所有名词 单数。可以缩写为She’s, He’s, It’s
are are用于第二人称及所有人称的复数you,
they, we 及复数名词。可以缩小为You’re,
They’re, We’re
• 介词加名词构成介词短语。如：
• in
in the school, in the box, in the country
• On
on the beach, on the desk, on the farm
• At
at school, at home, at the bus stop
• Behind behind the house, behind the door
人称代词
2.1 人称代词主格与宾格
subject object
I
me
you you
he
him
she
her
it
it
we
us
they them
who whom
S VO I miss you. You love me. He likes her. She punishes it. It bites him. We talk to them. They greet us. Whom/who do you often help?
Is Lucy lovely?
Yes, she is.
Exercise 6, 7
特殊疑问句：特殊疑问词提高居首，后面接一 般疑问句语序。如： Your teacher is ________. Who is your teacher? My name is ________. What is your name? You are from ________. Where are you from? Labour Day is _______ in China. When is Labor Day in China?
2）Be + 形容词，描述主语，回答主语怎么样。 The story is interesting. The teacher is experienced. I am thirsty. The mountain is beautiful.
3）Be + 介词短语，说明主语的位置、所处 的状态等。
The cafeteria is on the first floor. The teacher is in front of us. The students are in a hurry. The classroom is in good condition.
He’s not
He isn’t
We are not We’re not
We aren’t
一般疑问句：把be动词提到主语前面。简略回答时，be动 词不能缩小。如：
I’m a student.
Am I a good student? Yes, you are.
You’re late.
Are you absent? No, I’m not.
• Above above the armchair, above the desk.
Exercise 2, 3, 4, 5
3. Be动词的否定和疑问
否定句：Be动词后面加not, 可以缩写成下列形式
I am not
I’m not
You are not You’re not You aren’t
He is not
Practice: Exercise 6, 7, 8, 9
Exercise 1
2．Be动词的用法 1）Be + 名词词组，对主语进行归类、定义
，回答主语是什么。
My friend is a good programmer. This is a university. He is an unhappy man. My father is an engineer in his company.