动词三单讲解及练习题

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动词第三人称单数形式(动词三单)讲解一、什么是第三人称单数?

人称可分为三类:第一人称、第二人称和第三人称

第一人称:I we(我们)

第二人称:you

第三人称:he、she、it、they和人名类(如:Peter、Jane、my father等)

结合以上知识,第三人称单数就是he、she、it和单个的某人,也包括单个的动物、东西等。

二、动词在什么情况下要变成相应的三单形式?

在一般现在时的肯定句中,跟在第三人称单数后面的动词要变成相应的三单形式。

一般现在时态:一般现在时态用于表达经常、反复发生的动作,存在的状态或习惯性的动作。

例如:I watch TV every day(每天). 如果主语是三单,动词要变化:

He watches TV every day.

She watches TV every day.

Jane watches TV every day.

三、动词三单的变化规则

1、一般情况下直接加s,如speak-speaks, like-likes, play-plays

2、以s, x, sh, ch, o 结尾的加es,如wash-washes, go-goes,

do-does, watch-watches

3、以辅音字母+y 结尾的,改y 为i 再加es,如study-studies,try-tries

4、特殊变化,如have-has

四、do,does和don’t,doesn’t 在句子中的用法

否定句:主语+don’t/doesn’t+动词原形+(其他)。如:

I don’t watch TV. 我不看电视。

当主语为第三人称单数时,要用doesn’t 构成否定句。如:

He doesn’t watch TV. 他不看电视。

注意: doesn’t后面用动词原形watch,而不是watches

一般疑问句:Do / Does+主语+动词原形+(其他)。如:

Do you watch TV? 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 watch TV? Yes, she does. / No, she doesn’t.

注意:does引导的三单问句中,动词也要用原形

特殊疑问句:疑问词+一般疑问句。如:

What do you do on Sundays? I watch TV.

What does Lingling have in the afternoon? She has English.

五、动词第三人称单数形式的练习

A、写出下列动词的第三人称单数。

like ________ go _______ do________ ride________ have_______ pass_______ play swim_______

eat______ sleep ________ watch______

B、用括号内动词的适当形式填空。

1.He often ________(have) dinner at home.

2.We _______ (not watch) TV on Mondays.

3.Nick _______ (not go) to the zoo on Sundays.

4.______ they ________(like) meat?

5.Mike _______(like) swimming.

6.They _______(have) the same hobby(爱好).

7.My brother _______(like) reading(阅读).

8.Liu Tao _______(do) not like PE.

9.His sister ________ (cook烹饪) nice food. I _______ (like) eating it very much.

10._______ (do) your father_______ (watch) TV in the evening? No, he_______ (not).

11.Tom usually_______ (play) football after school.

12.I ______ (go ) to school by bus, and he ______(go) to school by bike.

C、选出正确的答案:

1. She (like / likes) to play football.

2. He (like / likes) drinking milk.

3. I (like / likes) to watch TV.

4. We (like / likes) to play badminton.

5. They (like / likes) to sing songs.

6. He (play / plays) table tennis every day(每天).

7. Jane and Linda (play / plays) football every day.

D、把下列句子变为否定句:

1. She likes milk.

2. They go to school on Mondays.

E、把下列句子变为疑问句,并做否定回答。

1.Tom likes swimming.

__________________________________

_________________________

2.Sam and Amy watch TV in the afternoon.

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