1、1一般现在时表示经常性或习惯性的动作.every day/morning/usually 第三人称单数的变化情况:1. 一般情况在词尾直接加-s2. 以 ch,sh,s,x 或 o 结尾的词加-es3. 以辅音字母加 y 结尾的词,将 y 改成 i 再加-es一. 意义：表示经常发生的事情，动作或存在的状态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. 构成
2、及变化1.be 动词的变化。肯定句：主语+be(am,is,are)+其它。如： I am a boy.我是一个男孩。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, Im 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。当主语为第一，二人称及复数时，助动词为 do肯定句：主语+动词原形(+ 其它)。如： We often play basketball after school.
3、否定句：主语+ dont+动词原形(+ 其它)。如： we dont play basketball after school.一般疑问句：Do +主语 +动词原形+其它?如： Do you often play basketball after school l? Yes, we do. / No, we dont.特殊疑问句：疑问词+ 以 do 开头的一般疑问句?如： What do you often do after school ?当主语为第三人称单数时 ,助动词为 does肯定句：主语+动词三单式(+ 其它)。如： He swims well.否定句：主语+ doesnt+动词原形
4、(+其它) 。如： He doesnt swim well一般疑问句：Does + 主语+动词原形+其它。如：Does he swim well ? Yes, he does. / No, he doesnt.特殊疑问句：疑问词+ 以 does 开头的一般疑问句?如： How does your father go to work?三第三人称单数的动词变化规则(只有在第三人称为主语的肯定句中，动词才用三单式)(1)多数动词直接加 s:runs gets likes collets takes plays climbs.2(2)结尾是 s, x, sh, ch, o,前为辅音字母,结尾加 es
5、:watches teaches goes does washes crosses mixes brushes(3)动词末尾 y 前为辅音:将 y 改为 i 加 es: studystudies flyflies carrycarries crycries但在 y 前如果为元音则直接加 s:buys says四.时间标志：always , usually , often , sometimes ,every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_ pla
6、nt_ 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) newspaper
7、s 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)
8、 ill. Im 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? Its Saturday.三、按照要求改写句子1. Daniel watches TV every evening.(改为否定句)3_2.
9、 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)_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 dont do her homework on Sundays. _
