一般现在时、一般过去时、一般将来时、现在进行时

1、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、 ofte n、 every morning、 every week、 twice a week 等等 等等现在进行时表示此时此刻或 现阶段正在进行 的动作正在进行am/is/are+ 动词 ingnow、rightnow、at the mome nt、 look、 liste n等一般将来时表示将来发生的 事即将、计划1、will/shall+ 动 词原形2

2、、am/is/are +go ing to+动词 原形in the future、 n extweek/month、 tomorrow、 in two weeks等等 等等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/ n ight、just now、 once upon atime 等1、一般现在时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”结尾的，要先将“ y”变为“

3、 i”，然后在加“ es”女口： fly ; carry study ; worry3）以“ s, x, ch, sh结尾的，在词尾加“ es”女口： teach ; watch4）以“ o”结尾的动词，加“ es”女口： 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） talk（交谈）sinL（唱歌）2以不发音e结尾的动词，先去e再加ing例: like喜欢write写 skate（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：stop（停止）get（得到）4少数几个以ie结尾的动词，变ie为f

4、再加ing=例：lie（躺、撒谎）tie（系、捆绑）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-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 -ed。如:plan-, refer-regret-, ban-(5)还有一些不规则变化的要单独

5、记。如： do-did know-knew am/is-was cut-cut become-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-clos, 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。st1. He often (re ad) 21Century Teens.2. Is he (enjo

6、y) his stay here?3.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 English10. They _ (read) newspapers now.综合练习： 一、用括号里的词的适当形式填空 ?1. We oft

7、en(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. Last night, she (watch) TV with his

8、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 (do) every evening? She (wash) c

9、lothes.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 long you (stay) in Paris last time?二、写出下列动词的第三人称单数形式： ?1.?wash_?

10、match?guess?study?finish?go_?snow_?carry_?2.?stop_?see_?drive?let?carry?keepoin?find?think_?teach_?catch_?3.stay_?begin_?forget_lie_die?_?runprefer_givering_dance_?hope_?三、写出下列动词的过去式 ?tell?break?build?catch?begin?draw?eat?come?buy_?cut?read?put?think?go?get_?give?keep?know?四、单项选择( )1. you your homew

11、ork now?A.?Are,?do?B.?Do,?do?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, Iit now.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,?

12、listened?C.?Do,?listen?D.?Are,?listening?()5. Look! Some children ga m e s on the playground.A.?is?playing?B.?are?playing?C.?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

13、.?'dotn?go?D.?is'n t?go?()8. We go to play outside in winter.A.?do?B.?does?C.?'dotn?D.?does'n 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?rain?D.?'wot?nrain?()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?