初中语法一般现在时、一般过去时、一般将来时、现在进行时四种时态的区别注意：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－______ ; play－______2）以辅音字母加“y”结尾的，要先将“y”变为“i”，然后在加“es”如：fl y－______ ；carr y－______ stud y－______ ; worr y－______3）以“s, x, ch, sh”结尾的，在词尾加“es”如：tea ch－______ ; wat ch－______4）以“o”结尾的动词，加“es”如：go－______ do－______2、现在进行时——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）sing→______（唱歌）2.以不发音e结尾的动词，先去e再加ing例：lik e→______喜欢writ e→______写skat e→______（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：sto p→______（停止）ge t→______（得到）4.少数几个以ie结尾的动词，变ie为f再加ing。
例：l ie→______（躺、撒谎）t ie→______（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:lik e-______, provid e-______, hat e - ______ dat e-______(3) 在以“辅音字母+y”结尾的动词后，则改y为i，再加-ed。
如:suppl y-______, stud y- ______.(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:pla n-______, refe r-______ regre t-______, ba n-________（5）还有一些不规则变化的要单独记。
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 ______ watch______go ______ do ______ have______2）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______ fly______know______ build______ brush______ listen______ cut______二、用所给动词的正确形式填空。
1. He often _______ (read) 21st Century Teens.2. Is he ________ (enjoy) 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 English.10. They _______ (read) newspapers 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 morning？4. 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 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) 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 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_________ match _______guess______ study______ finish_________go________ snow______ carry_________2. stop______ see________ drive ________let_______ carry______ keep_____ join_ _____ find_______ think________ teach______ catch______3.stay_______ begin______ forget_______lie________die _______ run_______prefer______give________ring_______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 homework now?A. Are, doB. Do, doC. Will, doD. Are, doing( )2. Look, they __________ a good time.A. hasB. haveC. are havingD. had( )3. –I can’t find my pen. Can I use yours? — Sorry, I__________ it now.A. am usingB. was usingC. have usedD. used( )4. —____________ you ____________ to the radio?—No, you can turn it off.A. Did, listenB. Have, listenedC. Do, listenD. Are, listening( )5. Look! Some children _________ games on the playground.A. is playingB. are playingC. are playedD. is going to play( )6. ________ your mother ________ some cleaning on Sundays? A. Does, does B. Do, does C. Does, do D. Do, do( )7. Mr. Black often ________ fishing on Sundays.A. goB. goesC. don’t goD. isn’t go( )8. We _________go to play outside in winter.A. doB. doesC. don’tD. doesn’t( )9. _________ your father usually go to work early every day?A. WasB. WereC. DoD. Does( )10. ________ you ________ English every morning?A. Are, readB. Do, readC. Does, readD. Are, reading( )11. Look at those clouds. It _____________ soon.A. is going to rainB. is rainingC. will rainD. won’t rain( )12. The radio says it ________________ the day after tomorrow.A. is going to snowB. is snowingC. will snowD. snows( )13.____________ Tom and Jim in the classroom just now?A. WasB. AreC. WereD. Is( )14. When I ________________ her in the hall, she was playing the piano.A. seeB. sawC. will seeD. am seeing( )15. He turned off the lights and then _______________ the classroom.A. leavesB. will leaveC. is leavingD. left。