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名称定义时间动词形式时间词always、sometimes、usually、1、动词原形often、every表示经常性或习2、第三人称单一般现在时平时、经常惯性的动作数morning、动词后-s/esevery week、twice a week等等now、rightnow、表示此时此刻或at theam/is/are+动词现在进行时现阶段正在进行正在进行ingmoment、的动作look、listen等in the future、1、will/shall+动next词原形表示将来发生的week/month、一般将来时即将、计划2、am/is/are事tomorrow、+going to+动词in two weeks原形等等ago、yesterday、表示过去某一时1、V-ed（规则last week/候或某一段时间过去（与现动词）一般过去时night、所发生的事情或在无关的）2、不规则动词just now、存在的状态变化once upon atime等注意：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：fly－______；carry－______study－______; worry－______3）以“s, x, ch, sh”结尾的，在词尾加“es”如：teach－______;watch－______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：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-______(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-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 ______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) 21stCentury 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.Weoften___________(play)ontheplayground.2.He_________(get)upatsixo’clock.3.__________you_________(brush)yourteetheverymorning？4.What(do)heusually(do)afterschool?5.Danny(study)English,Chinese,Math,ScienceandArtatschool.6.Mike__________(go)totheparkwithhissisteryesterday.stnight,she________(watch)TVwithhisparents.8.________Mike________(read)Englishtomorrow?9.Howmanylessons______yourclassmate____(have)nextweek?10.Whattime____hismother_________(do)thehouseworktomorrow?11.Don’tmakeanoise.Grandpa__________(sleep).12.It________(take)metwohourstofinishmyhomeworklastnight.13.What______yourmother_______(do)everyevening?She_____(wash)clothes.14.Look!She_________(do)herhomework.15.There________(be)afootballmatchonTVnextSunday.16.They________(visit)theGreatWallnow.17.Theearth__________(move)roundthesun.18.I______(be)bornin1992.19._______you_____(go)schoolyesterday?No,I________(not).20.Howlong_____you_______(stay)inParislasttime?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_______pr efer______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___________yourhomeworknow?A.Are,doB.Do,doC.Will,doD.Are,doing()2.Look,they__________agoodtime.A.hasB.haveC.arehavingD.had()3.–Ican’tfindmypen.CanIuseyours?—Sorry,I__________ed()4.—____________you____________totheradio?—No,youcanturnitoff.A.Did,listenB.Have,listenedC.Do,listenD.Are,listening()5.Look!Somechildren_________gamesontheplayground.A.isplayingB.areplayingC.areplayedD.isgoingtoplay()6.________yourmother________somecleaningonSundays?A.Does,doesB.Do,d oesC.Does,doD.Do,do()7.Mr.Blackoften________fishingonSundays.A.goB.goesC.don’tgoD.isn’tgo()8.We_________gotoplayoutsideinwinter.A.doB.doesC.don’tD.doesn’t()9._________yourfatherusuallygotoworkearlyeveryday?A.WasB.WereC.DoD.Does()10.________you________Englisheverymorning?A.Are,readB.Do,readC.Does,readD.Are,reading()11.Lookatthoseclouds.It_____________soon.A.isgoingtorainB.israiningC.willrainD.won’train()12.Theradiosaysit________________thedayaftertomorrow.A.isgoingtosnowB.issnowingC.willsnowD.snows()13.____________TomandJimintheclassroomjustnow?A.WasB.AreC.WereD.Is()14.WhenI________________herinthehall,shewasplayingthepiano.A.seeB.sawC .willseeD.amseeing()15.Heturnedoffthelightsandthen_______________theclassroom.A.leavesB.will leaveC.isleavingD.left。