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 in1992.19._______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 useded()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,doesB.Do,doesC.Does,doD.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.see B.saw C.will see D.am seeing()15.He turned off the lights and then_______________the classroom.A.leavesB.will leaveC.is leavingD.left。