一般现在时一般过去时一般将来时现在进行时

1、般现在时、一般过去时、一般将来时、现在进行时初中语法般现在时、一般过去时、一般将来时、现在进行时四种时态的区别名称定义时间动词形式时间词一般现在时表示经常性或习 惯性的动作平时、经常1、动词原形2、第三人称单 数动词后-s/esalways、 sometimes、usually、often、every morning、 every week、twice a week笺笺J现在进行时表示此时此刻或 现阶段正在进行 的动作止在进行am/is/are+动词 ingnow、rightnow、at themoment > look、 listen等一般将来时表小将来发生的 事即将、计划1、will

2、/shall+动词原形2、am/is/are+going to+动词原形in the future、nextweek/month、tomorrow、in two weeks笺笺 J一般过去时表示过去某一时 候或某一段时间 所发生的事情或 存在的状态过去（与现 在无关的）1、V-ed （规则 动词）2、不规则动词 变化ago、 yesterday、last week/ night、just now、once upon a time 等汪忠：1、一般现在时一一第三人称单数的动词变化规则：1）大多数动词在词尾加“ S'如：stop ; make read ; play2）以辅音字母加“ y”

3、结尾的，要先将“ y”变为“ i”，然后在加“ es”如：fly ; carry study ; worry3）以“s, x, ch, sh'结尾的，在词尾加“ es”如：teach ; watch4）以“o”结尾的动词，加“ es”如：go do 2、现在进行时一一动词ing形式的变化规则1 .一般动词直接在词尾+ing例：read （读）talkf（交谈）sin厂（唱歌）2 .以不发音e结尾的动词，先去e再加ing例：like_欢writef写skatef（滑冰）3 .以重读闭音节结尾且末尾只有一个辅音字母的动词，双写末尾字母，再加 ing例：stopf（停止）get一（得到）4

4、.少数几个以ie结尾的动词，变ie为f再加ing。例：lie一（躺、撒谎）tie一（系、捆绑）3 / 7般现在时、一般过去时、一般将来时、现在进行时3、一般过去时动词的变化规则(1) 一般在动词后加 -ed。如 :play-, offer-, weigh-, destroy-, sign-(2) 在以字母 e 结尾的动词后，只加-d。如 :like-, provide-, hate - date-(3)在以“辅音字母+y”结尾的动词后，则改y为i,再加-ed。如 :supply-, study- .(4) 在以单短元音的重读闭音节结尾且，末尾只有一个辅音字母的动词后，双写最后一个辅音字母，再加

5、 -ed 。如 :plan-, refer-regret-, ban-( 5)还有一些不规则变化的要单独记。如： do-didknow-knewam/is-wascut-cutbecome-became练一练：一、写出下列动词的形式1)写出下列动词的第三人称单数形式know listen brush watchgo do have2)写出下列动词的ing 形式go-, work-close-, come-become-get - sit -3)写出下列动词的过去式go do have play flyknow build brush listen cut二、用所给动词的正确形式填空。1. He

6、 often (read) 21 st Century Teens.2. Is he (enjoy) his stay here?3 / 73. We (build) a lab next year.4. He (write) at the moment.5. I (be) in Beijing last year.6. He (be) taller than I.7. Where he(tell) herthe news?8. I m going to (work) hard.9. She can (help) me with my English.10. They (read) newsp

7、apers now.综合练习：一、用括号里的词的适当形式填空1. We often(play) on the playground.2. He (get) up at six o clock.3. you (brush) your teeth every mornin？g4. What (do) he usually (do) after school?5. Danny (study) English, Chinese, Math, Science and Art at school.6. Mike (go) to the park with his sister yesterday.7. L

8、ast night, she (watch) TV with his parents.8. Mike(read) English tomorrow?9. How many lessons your classmate(have) next week?10. What time his mother(do) the housework tomorrow?11. Don t make a noise. Grandpa (sleep).12. It (take) me two hours to finish my homework last night.13. What your mother (d

9、o) every evening? She (wash) clothes.14. Look! She(do) her homework.15. There (be) a football match on TV next Sunday.16. They (visit) the Great Wall now.17. The earth (move) round the sun.18. I (be) born in 1992.19. you ( go) school yesterday? No, I ( not).20. How longyou (stay) in Paris last time?

10、二、写出下列动词的第三人称单数形式：1. washmatch guessstudyfinishgosnowcarry2. stopseedrive letcarrykeepjoin_findthinkteachcatch3. staybeginforgetliedie runprefergiveringdancehope三、写出下列动词的过去式tellbreak buildcatchbegindraw eatcome buycutread putthinkgogetgivekeep know 四、单项选择()1. youyour homework now?A. Are, do B. Do, d

11、o C. Will, do D. Are, doing()2. Look, they a good time.A. has B. have C. are having D. had()3. - I can' t find my pen. Can I use yours? Sorry, I it now.5 / 7般现在时、一般过去时、一般将来时、现在进行时A. am using B. was using C. have used D. used()4. you to the radio? No, you can turn it off.A. Did, listen B. Have, l

12、istened C. Do, listen D. Are, listening()5. Look! Some children games on the playground.A. is playingB. are playingC. are played D. is going to play()6. your mother some cleaning on Sundays? A. Does, doesB. Do, does C. Does, do D. Do, do()7. Mr. Black often fishing on Sundays.A. go B. goes C. d ont

13、go D. isn t go()8. We go to play outside in winter.A. do B. does C. dontD. doesn t( )9. your father usually go to work early every day?A. Was B. Were C. Do D. Does()10. you English every morning?A. Are, read B. Do, read C. Does, read D. Are, reading()11. Look at those clouds. It soon.A. is going to rain B. is raining C. will rainD. wont rain()12. The radio says it the day after tomorrow.A. is going to snow B. is snowing C. will snow D. snows()13.Tom and Jim in the classroom just now?A. Was B. A