人教版英语初一语法一般现在时

I go to school at 8:00.九三管理局局直中学初一英语Unit 1

否定句：主语+don’t+动词原形I don’tgo to school at 8:00.

一、语法——一般现在时。

一般疑问句：Do +主语+动词原形一）一般现在时的用法：

1.表示习惯性的、现在反复出现的动作或状态:

I usually go to school at 7:00.我通常七点上学。

2.表示主语现在的状态和特征：

She often helps me.

3.表示客观事实或普遍真理：

The earth goes around the sun.地球绕着太阳转。

二）句子结构：

1.当谓语动词是实义动词，句子结构：主语+动词原形/动词单三

1)当主语不是第三人称单数，谓语动词是实义动词，

肯定句：主语+动词原形Doyou go to school at 8:00?肯定回答：Yes,主语

+do.Yes, I do.

否定回答：No，主语+don’t.No, I don’t.2)当主语是第三人称单数，谓语是实义动词，

肯定句：主语+动词单三She goesto school at 8:00.否定句：主语+doesn’t +动词原形She doesn’t goto school at 8:00.一般疑问句：Does +主语+动词原形Does she goto school at 8:00 ?肯定回答：Yes,主语+does.Yes, she does.否定回答：No，主语+doesn’t 否定回答：No，主语+don’t.No, she doesn’t.No, I am not.3)动词第三人称单数的变化规则：2)be动词的使用口诀：a.一般情况下，在词尾加-s：play-plays 我用am，你用are，is连着他她塔，单数isget- gets.

b.以s，x，sh，ch结尾的动词，在词尾加-es：watch- watches go- goes.

c.以辅音字母加y结尾的动词，要把y变成i，再加-es：fly- flies study- studies

2.当谓语动词是be动词，句子结构：主语+ be的适当形式

1)肯定句：主语+be (am/is are)I aman English teacher.

否定句：主语+be (m/is are)+not I am not an English teacher.

一般疑问句：Be(Is/Are)+主语Are you an English teacher？

肯定回答：Yes,主语+be(am/is/are).Yes, I am.复数are。

二、习题。

一）用be动词的适当形式填空。

1.I ____ a student. You ____ a teacher.

2.She _____ my friend.

3.____you Li Fen ? No, ____ not .

4.____ Mr. green very busy? Yes, he ____.

5.You and I____ good friends .

6.The girl in red clothes_____ my sister .二）将下列句子变成一般疑问句，并给出肯定及否定回答。1. Simon and Daniel like going skating.

2. My parents watch TV every day.

3.Sun Yang and Sun Fang usually wash clothes on Saturdays.

4. Her classmates play football in school.

5.Gao Shan's sister likes playing table tennis.

6. My dog runs fast.

7.Mingming usually waters the flowers every day.

8. Tom does his homework at home.三）改错。

1.I goes to school at six every day.

2.He don’t like playing football.

3.They likes playing games.

4.Daming watchs TV in the evening.

5.Does he usually has a party?

6.What do they on Sunday?

7.Tony goes always to school at eight o’clock.

8.What they eat in the party?

9.Lily haves lunch at school.

10. What do his parents usually gives him ?四）句型转换。

1.I want to buy a big green bag . (变特殊疑问句)

______ ____ you want to buy？

2.Mary does not have any books .(变肯定句)

Mary _____ ______ books .

3.She likes the black bag. (变为否定句)

4.I buy the pants for only 50 Yuan. (用she改写句子)

______ ______ the pants for only 50 Yuan.

5.He often has hamburgers and apples for dinner . (变为一般疑问句)6．This is my pencil ? (变一般疑问句)____________ your pencil ?

7.These red socks are Kate's .(变一般疑问句)

___________ red socks Kate's ?