一般现在时【No. 1】一般现在时的定义1.表示事物或人物的特征、状态。
如：The sky is blue.天空是蓝色的。
2.表示经常性或习惯性的动作。
常和频度副词、频度短语。
连用如：I get up at six every day.我每天六点起床。
Always, usually, often, sometimes, never, every day/week/month/Sunday3.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。
【No. 2】一般现在时的句型变化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.注意：一般疑问句中this和that，回答用it代替，these/those 用they代替Are these your books? Yes, they are.Is that a basketball? No, it isn’t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?【No. 3】动词+s的变化规则如：cook-cooks, milk-milks如：guess-guesses, wash-washes, watch-watches, go-goes如：study-studies一般现在时练习题一、写出下列动词的第三人称单数drink ________ go _______ stay ________make ________ look _________ have_______pass_______ carry ____ come________watch______ teach _______ fly ________study_______ brush________ do_________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.(改为否定句)__________________________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(对划线部分提问)_______________________________________________________6. They are Americans. (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. He goes to school by bus. (对划线部分提问)___________________________________________________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. _________________一般过去时A．结构①be动词（is，am, are）→was/were 主语+ 谓语②实义动词→相应的动词过去式B. 用法①表示过去的事实或状态。
例：He was very busy an hour ago.他在过去的一小时非常忙碌。
I was eight years old last year. 我去年8岁。
②表示在过去某个时间内所作的事情，常和表示过去的时间状语连用。
例：She bought many books yesterday .昨天她买了很多书。
I played table tennis with my friend last Monday. 上周一我和一个朋友打了乒乓球。
表示过去的时间状语，有：yesterday，last week ,last year, two days ago,...C. 动词的过去式动词有规则动词和不规则动词之分。
规则动词的过去式都是以-ed结尾，而不规则动词的过去式是没有规则。
①一般情况下，在动词原形后直接加ed。
如：wanted，played。
②以不发音的字母e结尾的动词，直接加d。
如：hoped，lived。
③重读闭音节单词需双写最后一个辅音字母，再加ed。
如：stopped, shipped。
④以辅音字母+y结尾的动词变y为i，再加ed。
如：studied，worried。
⑤有些动词不符合上面的规则，需要特殊记忆一般过去时练习题一、句型转换1. The children played football in the park.否定句：__________________________________________一般疑问句：________________________________________对划线部分提问：____________________________________2. There were six students in the classroom.否定句：__________________________________________一般疑问句：________________________________________对划线部分提问：____________________________________3. Ann did her homework yesterday evening.否定句：__________________________________________一般疑问句：________________________________________对划线部分提问：____________________________________4. Last week I read an English book.否定句：__________________________________________一般疑问句：________________________________________对划线部分提问：____________________________________5. My brother was in the park just now.否定句：__________________________________________一般疑问句：________________________________________对划线部分提问：____________________________________二、写出下列动词的第三人称单数形式、过去式形式go _______ _______ enjoy _______ _______ buy _______ _______eat _______ _______ get _______ _______walk _______ _______ take _______ _______dance _______ _______ write _______ _______run _______ _______ swim _______ _______find _______ _______ begin _______ _______eat _______ _______ play _______ _______ study _______ _______三、用所给词的适当形式填空。