.一般现在时一、 定义与讲解一般现在时：表示经常性的事情，经常性的动作或一般性事实。时间状语： often 经常， usually 通常， always 总是， every 每个， sometimes有时， at 在几点钟只有在第三人称单数用动词的“三单变化”，其他用动词的原形。三单变化： 1. 多数在动词后 s play plays like likes（1 ）直接在动词词尾加-s.如： ask-asks work-works get-gets stay-stays（2 ）以字母 s, x, ch, sh或 o 结尾的动词，在词尾直接加-es.watch-watches wash washes fix-fixes do-doesgo-goes pass-passes（3 ）以“辅音字母加 - y ”结尾的动词，要先变 y 为 i 再加 -es.try-tries study-studies cry-cries fly-flies情况构成方法读音例词一般情况加 -s清辅音后读 /s/浊辅音和swim-swims ；help-helps；元音后读 /z/like-likes以辅音字母 +o 结尾的加 -es读 /z/goes, does词以 s,sh,ch,x 等结尾加 -es读 /iz/watches,washes的词以辅音字母 +y 结尾的变 y为 i 再加 es读 /z/study-studies词不规则变化 have 和变 have 为 has 变 be 为have-has be-am,is,arebe 动词am,is,are2. 不规则变化：be- is/arehave-has二、一般现在时的用法表示经常性或习惯性的动作或存在的状态；表示客观事实或普遍真理；在时间、条件等状语从句中，用现在时表示将来；在某些以 here ，there 开头的句子中，用一般现在时表示正在发生的动作当主语是第三人称单数时：1 、动词变相应的第三人称单数形式精选.2 、肯定句主语 +动词 s+ 其它3 、否定句主语 +doesnt+动词原形 +其它4 、一般疑问句Does+ 主语 +动词原形 + 其它5 、肯定回答Yes ，主语 +does6 、否定回答No ，主语 +doesnt7 、特殊疑问句特殊疑问词+一般疑问句当主语不是第三人称单数时：1 、肯定句主语 +动词原形 +其它2 、否定句主语 +dont+动词原形 + 其它3 、一般疑问句Do+ 主语 + 动词原形 +其它4 、要注意，句式结构错则全都错。5 、谓语动词的形式： do/does三、一般现在时的结构一般现在时的结构肯定式疑问式否定式I work.Do you work?I dont work.You work.Do you work?You dont work.We work.Do you work?We dont work.They work.Do they work?They dont work.He(She,It) works.Does he(she,it) work?He(She,It) doesnt work.否定疑问式Dont you work?Dont you work?Dont you work?Dont they work?Doesnt he(she it) work?一般现在时练习一、用所给词的正确形式填空1. We often _ (play) on the playground.精选.2. He _ (get) up at six o clock.3. _you _ (brush) your teeth every morning.4. What_ (do) he usually _ (do) after school?5. Danny _ (study) English, Chinese, Math, Science and Art at school.6. Mike sometimes _ (go) to the park with his sister.7. At eight at night, she _ (watch) TV with his parents.8. _ Mike_ (read) English every day?9. How many lessons _your classmate_ (have) on Monday?10. What time _his mother_ (do) the housework?11. He often _ (have) dinner at home. 12. Daniel and Tommy_ (be) in Class One.13. We_ (not watch) TV on Monday. 14. Nick _(not go) to the zoo on Sunday.15. They_ (like) the World Cup? 16. What _they often _ (do) on Saturdays17. Your parents_ (read) newspapers every day?18. The girl_ (teach) us English on Sundays.19. She and I _ (take) a walk together every evening.20. There_ (be) some water in the bottle. 21. Mike _ (like) cooking.22. They_ (have) the same hobby. 23. My aunt_ (look) after her baby carefully.24. You always_ (do) your homework well. 25. I_ (be) ill. I m staying in bed.26. She_ (go) to school from Monday to Friday. 27. Liu Tao _ (do) not like PE.28. The child often_ (watch) TV in the evening.29. Su Hai and Su Yang _(have) eight lessons this term.30. What day _(be) it today? It s Saturday.31. Don t make a noise. Grandpa _ (sleep).32. Tom s family_ _ (watch) TV.33. It _ (take) me two hours to finish my homework last night.34. What _ your mother _ (do) every evening? She _ (wash) clothes.35. _ it _ (rain) every day?36. What _ (do) you _ on Sundays? We _ (play) football.精选.37. There _ (be) a football match on TV every morning.38. They often _ (visit) the Great Wall.39. Who _ (dance) the best in your class?40. He _ (not come).41. The earth _ (move) round the sun.42 She _ (buy) a sweater.43. Mr. Wang often_ (go) to Shanghai.二、改句子1.Do you often play football after school? (肯定回答 )_2.I have many books.（改为否定句） _3.Gao Shans sister likes playing table tennis（改为否定句） _4.She lives in a small town near New York.（改为一般疑问句） _