一般现在时基本用法介绍

　一.　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.我每天六点起床。

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

二. 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。

　三.　一般现在时的变化

1. be动词的变化。

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

　　(2) 一般疑问句：Be +主语+其它。如：-Are you a student? 　

-Yes. I am. / No, I'm not.

　　(3) 特殊疑问句：疑问词+一般疑问句。如：Where is my bike?

2.行为动词的变化。

(1) 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.　(2) 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.

(3) 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.

(4)特殊疑问句：疑问词+一般疑问句。如：How does your father go to work?

四．动词加s的变化规则

1.一般情况下，直接加-s, eg, cook--cooks like--likes

2.以s.x.sh.ch.o.结尾，加-es, eg, wash--washes watch--watches go--goes

3.以辅音字母+y结尾，变y为i,在加-es, eg, study--studies

4.不规则的有，have--has be--am,is are

　　一般现在时用法专练：

一、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

lessons this term.

　　20. －What day _______(be) it today? －It’s Saturday.

　　二、按照要求改写句子。

　　1. Daniel watches TV every evening.(改为否定句) ____________________________

　　2. I do my homework every day.(改为一般疑问句，作否定回答) _________________ _______________________________________

　　3. She likes milk.(改为一般疑问句，作肯定回答) ___________________________4. Amy likes playing computer games.(改为一般疑问句，作否定回答)

___________ ________________________________________

　　5. We go to school every morning.(改为否定句) ______________________________

　　6. He speaks English very well.(改为否定句) ________________________________

___________________

7. I like taking photos in the park.(对划线部分提问) ________________________ ___ _____________________________

　　8. John comes from Canada.(对划线部分提问) _________________________________

　　9. She is always a good student.(改为一般疑问句，作否定回答) _______________

_________________________________________

　　10. Simon and Daniel like going skating.(改为否定句) _______________________

____________________________

　　三、改错(划出错误的地方，将正确的写在横线上)

　　1. Is your brother speak English? __________________

　　2. Does he likes going fishing? __________________

　　3. He likes play games after class. __________________

　　4. Mr. Wu teach us English. __________________

　　5. She don’t do her homework on Sundays. _________________下载本文