一、一般现在时一般现在时表示常常性、 习惯性的动作， 或表示现在的特点、 状态；当主语是非第三人称单数时，行为动词要发生相应的变化；一般现在时的用法及特点 :1）、表示常常或者反复发生的动作 . 如 : 我每天吃午饭 . I have lunch every day. 2）、仍表示现在存在的一种状态 . 如：我姐姐是一位老师． My sister is a teacher.3）、客观真理， 客观存在， 科学事实； 例如： The earth moves around the sun.地球围着太阳转； 4）、一般现在时态常常与 often（常常） sometimes（有时） always（总是） usually（通常）等频率词连用， 也常常与 every day（每天） , every week（每周） , every month（每月） , everyterm（每学期） , every year（每年） , once a week （一周一次） ，twice a year （一年两次）等表示时间的词连用；5〕、第三人称单数问题一般现在时中，当主语是第三人称单数时，即常在动词原形后加 -s 或-es；1、当主语不是第三人称单数时，结构是：确定句 : 主语＋行为动词原形＋其他 We speak Chinese.否定句 : 主语＋ don’＋t行为动词原形＋其他 We don’t speak Chinese.一般疑问句： Do ＋主语＋行为动词原形＋其他？ Do you speak Chinese.确定回答： Yes，主语＋ do Yes, we do.否定回答： No ，主语＋ don ’ t No, we don ’ t.2、当主语是第三人称单数时，谓语动词不能用原形了，而是要相应的变化， 其变化规章是：动词原形变第三人称单数的规章与发音规律同名词单数变复数大致相同，请仔细观看；1）、大多数动词在词尾加 “ S在”清辅音后发音为 [s] ，在浊辅音及元音后发音为 [z] ；如：①stop－stops [s] ; make －makes [s]②read－ reads [z] ; play － plays [z]2）、以辅音字母加 “ y结”尾的，要先将 “ y变”为 “ i，”然后在加 “ es读”[iz] 如：fly － flies [z] ； carry－ carries [z] study－studies [z]; worry － worries3）、以 “ s, x, ch, sh结尾的”，在词尾加 “ es，”发音为 [iz] 如：teach－ teaches [iz]; watch － watches [iz]4）、以 “ o结”尾的动词，加 “ es，”读 [z] 如：go－ goes [z] do － does [z]其结构是：确定句：主语 +动词的第三人称单数 +其他 He speaks English.否定句：主语 +doesnt+ 动词原形 +其他 He doesnt speak English. 一般疑问句： Does +主语 +动词原形 +其他 . Does he speak English. 确定回答： Yes，主语＋ does. Yes, he does.否定回答： No ，主语＋ doesnt. No, he doesnt.练习题：work watch clean write teach wash play readdoflystudygodrinkcryhavesitSwimmakeruncarryleavearrivejumpcomeSpeakwearwalkbuyhelppacktaketalktellknowlookloveliveeatwantsay1. He TV every evening. 〔watch〕2. We always to school on foot. 〔go〕3. Tom, with his classmates, often football after school. 〔play〕4. Your shoes under the bed. 〔be〕5. here and by me. 〔come, stand〕6. His uncle usually to work by bus. 〔go〕7. I always up at six in the morning.〔get〕8. John like his father. 〔look〕．布莱克太太常常在英语上帮忙我们；Mrs. black often us our english .用词的适当形式填空；1.What time his father 〔do〕 the work. 2.He 〔get〕 up at five o ’clock.3. you 〔brush〕 your teeth every morning.4. What 〔 do 〕 he usually 〔 do 〕 after school.5. Tom 〔 study 〕 English, Chinese, Maths, Science and Art at school.6. Kitty sometimes 〔go〕 to the park with his sister.7. At eight at night, she 〔 watch 〕 TV with her parents.8. Mike 〔 read 〕 English every day.9. How many lessons your classmates 〔 have 〕 on Monday.10. We often 〔 play 〕 football in the playground.三．挑选〔 〕 1. you have a book.A. Do B. Are C. Is D. Have〔 〕2. They on a farm.A. working B. is work C. work D. is worked〔 〕 3. Does Peter like to watch TV. .A. Yes, he like B. No, he doesn ’t C. Yes, he ’d like D. No, he likes 〔 〕4. She doesn ’t her homework in the afternoon.A. doing B. to do C. does D. do〔 〕5. How Mr. Brown to America.A. do,go B. is,go C. does,go D. does,goes 〔 〕6. Where ’s my camera. I it.A. am not finding B. am not seeing C. can ’t find D. can ’t look at 〔 〕7. How he go to work.He to work by bike.A. does ;go B. do;goes C. do ;go D. does;goes〔 〕8. you usually late for school. No, .A. Do ; I am B. Does ;not C. Are ; I ’m not D. Are ; I aren ’t 〔 〕9. she home at six every day.A. Is , leave B. Does , leave C. Is , leaves D. Does , left〔 〕10. Mr. Yang English this term.A. teaches our B. teaches us C. teachs us D. teach our填空题 1.Let him 〔play〕basketball. 2.Everyone 〔know〕what he really like.3. Tose girls 〔be〕my sister.4. That girl 〔call〕me evety Sunday.5. How 〔do〕she 〔spell〕the word.用括号里面的词的适当形式填空1. The desk 〔have〕four legs.2. She 〔do〕 her homework every day.3. “This problem is easy, ” 〔say〕 Ann.4. He 〔live〕 in Shijiazhuang.5. He 〔need〕 a pair of shoes.6. Does Danny 〔see〕 the apple tree.7. She 〔come〕 from America.8. The girl 〔look〕 out of the window and sees many birds in the sky.9. Jenny runs home and 〔sit〕 on the chair.10. The train 〔leave〕 at 10:13 in the morning.11. That hat 〔look〕 like a cat.12. Danny 〔hurt〕 his nose.13. Danny 〔fall〕 and breaks his tail.14. Danny and her mother sometimes 〔go〕 for a walk after supper.15. My mother 〔walk〕 to the office every day.5〕 、用括号里所给词的适当形式，写出以下句子的否定句；1.The desk 〔have〕four legs.2. She 〔do〕 her homework every day.3. Danny 〔fall〕 and breaks his tail.4. He 〔live〕 in Shijiazhuang.5. He 〔need〕 a pair of shoes.6. Danny 〔see〕 the apple tree.7. She 〔come〕 from America.8. My mother and father 〔walk〕 to the office every day.9. Danny and her mother sometimes 〔go〕 for a walk after supper.10. The train 〔leave〕 at 10:13 am.。