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一般现在时讲解

发布时间:2013-10-08 12:32:13  

一般现在时

一般现在时表示经常 或习惯性的动作,也可表 示现在的状态或主语具 备的性格和能力等。

一般现在时 (肯定句)

在一般现在时中,句 中有be动词或情态动词 (can等)时,be动词要 随主语而相应改变,情态 动词不变。 例如

一般现在时 (肯定句)

1、I am a teacher. 2、He is a student.

3、You are a boy.
4、I can swim.

一般现在时 (肯定句)

没有be动词和情态动词,主 语为第三人称单数的肯定句,动 词要按规则加上s或es,主语是 非第三人称单数的肯定句,动词 用原形。 例如

哪些主语是第三人称单数?

一、人称代词he, she, it是第三人称单 数。

He likes watching TV. 他喜欢看电视。 She has lunch at twelve. 她十二点吃午餐。 It looks like a cat. 它看起来像只猫。

二、单个人名、地名或称呼作主 语;是第三人称单数。
①Han Mei looks like her mother. 韩梅看起来像她的母亲 ②Beijing is in China. 北京在中国。 ③Uncle Wang often makes cakes. 王叔叔经常做蛋糕。

三、单数可数名词或"this / that / the+单数可数名词"作主语时,是第三 人称单数。
①A panda is a shy animal. 熊猫是害羞的动物。 ②This book is yellow. 这本书是黄色的。 ③That car is red. 那辆小汽车是红色的。 ④The cat is black. 这只猫是黑色的。

一般现在时 (肯定句)

1、I go to school by bus. 2、He goes to school by bus. 3、She gets up at six.

动词+s的变化规则 1.一般情况下,直接加-s, 如:stop-stops, come-comes 2 .以s. x. sh. ch. o结尾,加-es, 如:do-does, watch-watches, go-goes 3.以“辅音字母+y”结尾,变y为 i, 再加-es, 如:study-studies

一般现在时 (否定句)

在一般现在时中,句 中有be动词或情态动词 (can等)时,否定句在 be动词和情态动词后加 not。 例如

一般现在时 (否定句)
1、I am a teacher.否:I am not a teacher.

2、He is a student.否: He is not a student.
3、You are a boy.否: You are not a boy. 4、I can swim.否: I can not(can’t) swim.

变否定句
I am a good boy. I am not a good boy.

变否定句
He is at school. He is not at school.

变否定句
They are students. They are not students.

变否定句
She can speak English. She can not speak English.

一般现在时 (否定句)

句中没有be动词或情态动 词时,主语为第三人称单数的 否定句在动词前加does not (doesn’t),非单三时,否定 句在动词前加do not(don’t) 例如

一般现在时 (否定句)
1、I go to school by bus. go to school by bus.

否: I don’t 2、He 否:He goes

to school by bus. go to school by bus.

doesn’t

变否定句
I want a banana. I don’t want a banana.

变否定句
She speaks English well.

She doesn’t speak English well.

一般现在时 (疑问句)

句中有be动词或

情态动词时,be 动词或情态动词can提前,首字母变 为大写;some 变any
例如

一般现在时 (一般疑问句)
He is a student. You are a boy.

Is he a student? Are you a boy? I can swim. I am a teacher.

Can you swim?

Am I a teacher?

变一般疑问句
Daming is my friend.

Is Daming your friend?

变一般疑问句
I am in the classroom.

Are you in the classroom?

变一般疑问句
Daming can play basketball. Can Daming play basketball?

变一般疑问句
We are good friends.

Are you good friends?

一般现在时 (疑问句)

句中没有be动词或情态动词时, 主语为非第三人称单数,一般疑问句 在句首加do,句子中动词用原形。主 语为第三人称单数,一般疑问句在句 首加does,句子中原有动词用原形; Some变any. 例如

一般现在时

(一般疑问句)
1、I go to school by bus. you go to school by bus. 疑问句: Do

2、He

goes

to school by bus.
he go to school by bus.

疑问句: Does

变一般疑问句
We have lunch at 12:00.
Do you have lunch at 12:00?

变一般疑问句
I want a book. Do you want a book?

变一般疑问句
Amy wants some chicken. Does Amy want any chicken?

特殊疑问句
时间:when 地点:where
人:who 物:what

状态:how 年龄:how old

价钱:how much 数量:how many

特殊疑问句
有be动词或情态动词 构成:疑问词+be动 词或情态动词+主语+ 例如 其它

特殊疑问句
She can speak English. What can she speak? He is ten. How old is he?

He is at home. Where is he ?
It’s 3 dollars. How much is it?

特殊疑问句
没有be动词或情态动 词构成:疑问词+do (does)+主语+动词 原形+其它 例如

特殊疑问句(时间)
单数第三人称: He goes to school at seven. When does he go to school? 非单数第三人称:

I go to school at six.
When do you go to school?

特殊疑问句(地点)
单数第三人称: He has lunch at school.

Where does he have lunch? 非单数第三人称: Children have lunch at school.
Where do children have lunch?

特殊疑问句(状态)
单数第三人称: He goes to school by bus.
How does he go to school? 非单数第三人称:

We go to school by bus.
How do you go to school?

变特殊疑问句
We go home at four. When do you go home?

变特殊疑问句
Lingling has dinner at home. Where does Linging have dinner?

变特殊疑问句
I am thirteen. How old are you?

变特殊疑问句
She is in the park. Where is she?

变特殊疑问句
I want a bag. What do you want?

变特殊疑问句
It‘s thirteen dollars. How much is it?

变成否定句和一般疑问句及特殊疑问句

1、I go home by bike.
2、He goes to school by bus.

3、She gets up at six.
4、She can speak English.

5、He is ten.
6、 He is at home. 7、It’s 3 dollars.


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