一般疑问句和否定句讲解和练习题

般疑问句的结构:

1•当句子中有be动词时，：Be + 主语+ 其它

Are you a stude nt

-Yes. I am. / No, I'm n ot.

I am a girl. _________________________________________________

He is cute. ________________________________________________________

They are always late for school. _____________________________________________________________ Your father is a doctor. _____________________________________________________________________ 2.当句子中没有be，只有动词：Do( Does ) +主语+动词原形+其它。女口：

-Do you ofte n play football

-Yes, I do. / No, I don't.

当主语为第三人称单数时，要用does构成一般疑问句。如：

-Does she go to work by bike

-Yes, she does. / No, she does n't.

He ofte n goes to school by bus.

They like to go to the zoo.

She always goes home late.

否定句的结构

1.当句子中有be的时候：主语+ be + not+其他

I am not a boy.

She is not a girl.

They are my friends _______________________________________________________

He is my brother _______________________________________________________________

2.当句子中没有be，有动词的时候：主语+ don 't( does n't ) +动词原形(+其它)。

I don't like bread.

当主语为第三人称单数时，要用does n't构成否定句。

He does n't ofte n play.

I eat meat. ______________________________________________________________

You play chess _____________________________________________________________

She always does the housework on Sun day.

The dog plays with its tail all the day.

一、用所给动词的一般现在时填空。

1. We ofte n ____________ (play) in the playgro unnd.

2 _______________ you _______________ (brush) your teeth every morni ng

3.What ____________ (do) he usually ___________ (do) after school

4.Dann ____________ (study) En glish, Chin ese, Maths, Scien ce, and Art an school.

5.Mike sometimes ______________ (go) to the park with his sister.

6.At eight at ni ght, she _____________ (watch) TV with his family.

7.__________ Mike _______________ (read) English every day

8.How many less ons ____________ your classmate________________ (have) on Mon day

9.What time ___________ his mother ________________ (do) the housework

二、按要求改写句子。

1)Do you often play football after school 改为肯定句)

2)I have some books.改为否定句)

3)Gao Sha'sister likes playing table tennis.改为否定句)

4)She lives in a small town near New York改为一般疑问句)

5)I watch TV every day.改为一般疑问句)

6)We have four lessons.(改为否定句)

7)Nancy doesntrun fast.(改为肯定句)

三、单项选择。

( )1. ___________ you have a book

A. Do

B. Are

C. Is

D. Have

( )2. They ___________ on a farm.

A. worki ng

B. is work

C. work

D. is worked