一般现在时基本用法介绍
【No. 1】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。
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.
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。
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.
特殊疑问句：疑问词+一般疑问句。如：How does your father go to work?
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_______
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.
三、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）
___________________________________________________
四、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 teachs us English. __________________
5. She don't do her homework on Sundays. _________________