一般现在时的功能

1.表示事物或人物的特征、状态。如:The sky is blue.天空是蓝色的。

2.表示经常性或习惯性的动作。如:I get up at six every day.我天天六点起床。

3.表示客观现实。如:The earth goes around the sun.地球绕着太阳转。

 一般现在时的构成

1. be动词:主语+be(am,is,are)+其它。如:I am a boy.我是一个男孩。

2.行为动词:主语+行为动词( 其它)。如:We study English.我们学习英语。

当主语为第三人称单数(he, she,it)时,要在动词后加"-s"或"-es"。

如:Mary likes Chinese.玛丽喜欢汉语。

 一般现在时的变化

1. be动词的变化。

否定句:主语+be not+其它。 如:He is not a worker.他不是工人。

一般疑问句:Be+主语+其它。 如:-Are you a student? -Yes. I am. / No, I'm not.

非凡疑问句:疑问词+一般疑问句。如:Where is my bike?

2.行为动词的变化。

否定句:主语+don't( doesn't )+ 动词原形( 其它)。如:I don't like bread.

当主语为第三人称单数时,要用doesn't构成否定句。如:He doesn't often play.

一般疑问句:Do( Does )+主语+动词原形+其它。

如: - Do you often 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 doesn't.

 动词 s的变化规则

1.一般情况下,直接加-s,如:cook-cooks, milk-milks

2.以s. x. sh. ch. o结尾,加-es,如:guess-guesses, wash-washes, watch-watches, go-goes

3.以“辅音字母 y”结尾,变y为i, 再加-es,如:study-studies

 一般现在时用法专练

一、写出下列动词的第三人称单数

drink ________
go ________
stay ________
make ________
look ________
have________
pass________
carry________
come________
watch________
plant________
fly ________
study________
brush________
do________
teach________
wash________

二、用括号内动词的适当形式填空。

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

2. Daniel and Tommy _______(be) in Class One.

3. We _______(not watch) TV on Monday.

4. Nick _______(not go) to the zoo on Sunday.

5. ______ they ________(like) the World Cup?

6. What _______they often _______(do) on Saturdays?

7. _______ your parents _______(read) newspapers every day?

8. The girl _______(teach) us English on Sundays.

9. She and I ________(take) a walk together every evening.

10. There ________(be) some water in the bottle.

11. Mike _______(like) cooking.

12. They _______(have) the same hobby.

13. My aunt _______(look) after her baby carefully.

14. You always _______(do) your homework well.

15. I _______(be) ill. I’m staying in bed.

16. She _______(go) to school from Monday to Friday.

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

18. The child often _______(watch) TV in the evening.

19. Su Hai and Su Yang _______(have) eight lessons this term.

20. -What day _______(be) it today?

- It’s Saturday