一般现在时基本用法介绍

1、一般现在时根本用法介绍一、一般现在时的意义1 .表示事物或人物的特征、状态.如：The sky is blue.天空是蓝色的.He is tall.他很高.2 .表示经常性或习惯性的动作(常与 usually,always ,sometimes,often,every . 连用).如：I get up at six every day. 我每天六点起床.My mother goes hiking every weekend.我妈妈每个周末都要去远足.He often plays football on the weekend.他周末常常踢足球.3 .表示客观事实,普遍真理.如：The eart

2、h goes around the sun.地球绕着太阳转.The trees turn green in spring.春天树子要绿.二、一般现在时的谓语动词形式1 .be 动词： 主语+be(am,is,are)如：I am a boy.我是一个男孩.2 .情态动词+动词原形如：He can fly kites .他会放风筝.My sister can sing English songs very well.我妹妹唱英文歌曲唱得很好.3 .实义动词又称行为动词：在一般现在时中,实义动词作谓语动词有两种形式：动词原形和动词的单数第三人称形式1动词原形：当主语不是单数第三人称时,谓语动词用原

3、形.如：We study English.我们学习英语.I like singing. 我喜欢唱歌.2当主语是单数第三人称 he,she ,it以及可以用 he, she ,it代替的名词、名词短语,如 Amy,ZhangPeng,my sister,John ' s penpal等时,谓语动词要使用单数第三人称形式简称“单三式或 “单三现.如：He likes dancing.他喜欢跳舞.My sister usually goes shopping on the weekend.我妹妹周末常常去购物.Mary likes Chinese. 玛丽喜欢汉语.三、一般现在时的句型转换变否

4、认句和一般疑问句1 .谓语动词是be动词时：1变否认句：在be后加not.如：He is a worker. He is not a worker.They are from the USA. They aren ' t from the USA.2变一般疑问句：把Be动词提至句首如果有第一人称,将第一 人称改为第二人称,如果有some,将some改为any.如：I am a student.-Are you a student? -Yes. I am. / No, I'm not.They are in the zoo.Are they in the zoo?Yes ,the

5、y are. No,they aren' t.2 .谓语是情态动词时的句型转换(1)变否认句：在情态动词后加not.如：He can play football. He can ' t play footballThey can speak English very well. They can speak English very well.(2)变一般疑问句：把情态动词提至句首(如果有第一人称,将 第一人称改为第二人称,如果有 some,将some改为any).如：I can swim. Can you swim? Yes ,I can. No, I can' t.

6、He can draw cartoons. Can he draw cartoons? Yes ,he can.No,he can ' t.3、谓语动词是实义动词(行为动词)时的句型转换.(1)当谓语动词是实义动词原形时： 变否认句：在动词原形前面加 doesn' t如：Mymother likes bread. My mother doesn't like bread.He comes to school on foot. He doesn't cometoschool on foot.变一般疑问句：在句首加 Do如果有第一人称,将第一人称改 为第二人称,如果

7、有 some,将some改为any.I often play football.-Do you often play football? - Yes, I do. / No, I don't.2当谓语动词是第三人称单数形式单三式或单三现时变否认句：在动词原形前面加 doesn' t,再把“单三式复原如： He likes bread. I doesn't like bread.My pen pal goes to school on foot. My pen pal doesn't go to school on foot.变一般疑问句：在句首加Does如果有s

8、ome,将some改为any.Peter ' s pen pal often plays football.-Does Peter ' s pen pal often play football?-Yes, he does. / No, he doesn't.She goes to work by bike.-Does she go to work by bike?-Yes, she does. / No, she doesn't.四、特殊疑问句：跟其他特殊疑问句一样,由“疑问词+一般疑问句构成.如：How does your father go to work

9、?Where does your father work ?When does your pen pal go to school every day ?五、动词单数第三人称形式的变化规那么：规那么变化：1 . 一般情况下,直接加-s ,如：cook-cooks, milk-milks2 .以 s. x. sh. ch. o 结尾,力口-es ,如：guess-guesses, wash-washes, watch-watches, go-goes3 .以“辅音字母+y结尾,变y为i,再加-es,如：study-studies 不规那么变化：1.have -has 2. go-goes 3.d

10、o -does六、动词单数第三人称使用、构成、句型转换顺口溜一般现在时,谓语假设是实义动词：单三人称单三式,单三式,尾加一般情况直接加s,s,x,chsh 结尾-es往后压,辅y结尾变i力口es,have直接变has, does,goes 是“一家-s-es一般情况直接加s, s,x,chsh 结尾-es 往后压,辅y结尾变i力口 es,have直接变has,does,goes 是“一家句型转换别着急,doesn' t , Does 来帮你否认句动词前 doesn' t立疑问句Does开头很容易,有一点,切切记,用了 (doesn' )Does -s(-es) 去.Do

11、es 问 Does答,记住口诀顶呱呱.七、一般现在时知识点图解：一般现在时用法专练：一、写出以下动词的第三人称单数drink go stay makelook have pass carrycome watch plant flystudy 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(lik

12、e) 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) afte

13、r 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. 一 What day(be) it today?It

14、' s Saturday.三、根据要求改写句子1. Daniel watches TV every evening.(改为否认句)2. I do my homework every day.(改为一般疑问句,作否认答复)3. She likes milk.(改为一般疑问句,作肯定答复)4. Amy likes playing computer games.(改为一般疑问句,作否认答复)5. We go to school every morning.改为否认句6. He speaks English very well. 改为否认句7. I like taking photos in

15、the park.对划线局部提问8. John comes from Canada. 对划线局部提问9. She is always a good student.改为一般疑问句,作否认答复10. Simon and Daniel like going skating.改为否认句五、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.英语语法一般