一般现在时的结构：主语不是三单：主语 + 动词原形主语是三单：主语 + 动词三单形式（-es,-s结尾，）注：三单：单个人或物或地方等（I， you除外）We usually walk to school. 我们经常走路上学。
She usually walks to school. 她经常走路上学。
口诀：一般现在时, 不是三单用原形，是三单就加s，es。
动词三单形式变化规则1) 一般情况：加-swork—works2) 以s, x, z, sh, ch或o结尾: 加-espass—passes, push—pushes,catch—catches, go--goes3) 以辅音字母+y结尾：改y为i，加-es（辅音字母是：a，e, i, o, u以外的字母）fly—flies4) 不规则变化have--has口诀：一般现在时，三单s/es，其他无变化，具体规则要牢记：1）直接加s 2）以s，x，ch，sh，o结尾+es 3）辅+y，变y为i，+es 4）特殊情况特殊记，have变has。
练习题：用所给词的正确形式填空1. We often___________(play) on the playground.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, Maths, 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.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 CupWhat ____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.Mike ______(like) cooking.22. They_______ (have) the same hobby.My aunt______ (look) after her baby carefully.24. You always____ (do) your homework well.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.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 Shan’s 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）5. I watch TV every day. （改为一般疑问句）6. David has a goal. （改为一般疑问句）7. We have four lessons.（否定句）8. Nancy doesn’t run fast （肯定句）9. My dog runs fast. (一般疑问句)（把10—14小题变否定句，一般疑问句和划线提问）10. Mike has two letters for him.11. I usually play football on Friday afternoon12. Su Yang usually washes some clothes on Saturday.13. Mingming usually waters the flowers every day14. Tom does his homework at home.三、写出下列动词的第三人称单数形式：1. wash_________ match _______guess______ study______ finish_________ go________ snow______ carry_________2.stop______ see________ drive ________let_______ carry______ keep_____ join______ find_______ think________teach______ catch______3.3. stay_______ begin______ forget_______ forget______ lie________ die _______ run_______ prefer______ give________ ring_______ dance______ hope_______四、单项选择：1. There _____ an English film at the cinema now.A. will haveB. is going to haveC. is going to beD. is2. The picture _______ nice.A. looksB. is lookedC. lookD. is looking3. She ______ down and soon falls asleep.A. liveB. lainC. laidD. sits4. They _____ the office in time very morning.A. reach toB. arrivedC. wentD. get to5. We shall go to Shanghai on business before you _____ back next week.A. will comeB. cameC. would comeD. come6. The plane ______ over there.A. isB. are D. was7. I see her ____ the room this morning.A. to enterB. enteredC. enterD. enters8. The teacher ________us to come to school on time.A. askB. askingC. asksD. asked9. John always ______ others.A. helpB. helpingC. helpsD. to help10. He ______for eight hours every day.A. workingB. to workC. worksD. worked11. You’d better ______ at home and ______ your homework.A. to stay, doB. stay, doC. to stay, to doD. stay, to do12. He sits down and ______ a rest.A. havingB. haveC. to haveD. has13. Uncle Wang never ______ a cake.A. makeB. to makeC. makingD. makes。