初中英语八种时态

初中英语八种时态初中英语八种时态一、一般现在时1、经常性和习惯性动作常见时间状语：always,usually,often,sometimes,everyday,onSundays,atweekends,onceaweek,twiceamonth,基本结构：动词原形主语三单：动词原形+s/es主语+动词原形+其他2.表示现在的状态，特征，年龄，职业等。主语+be+其他Iamateacher.Youaretallnow.（1）He_swimmingintherivereverydayinsummer.(go)（2）.It_youareright.(seem),二、一般过去时：1、过去某个时间里发生的动作或状态Eg.Igotuplateyesterday.2、过去习惯性、经常性的动作Eg.WhenIwasinthecountryside,Ioftenswamintheriver.常见时间状语：threedays/weeks/yearsago,yesterday,thedaybeforeyesterday,lastweek(year,night,month),in1986,justnow,attheageof10,atthattime,onceuponatime,基本结构：主语+动词的过去式+其他动词的过去式有规则变化（4条）和不规则变化1.He_(live)inWuxitwoyearsago.2.Thecat_(eat)abirdlastnight.3.We_(have)apartylastHalloween.4.I_(make)amodelshipwithMikeyesterday.,三、一般将来时：基本结构：am/is/are/goingto+do;will+do.1、(人)计划打算做某事eg.Imgoingtogoshoppingwithmymumtomorrow.eg.Lookattheclouds,itsgoingtorain.2、将来的动作和状态(相对较长远)Eg.Youllhaveyourownhouseinthefuture.常见时间状语：tomorrow,nextday(week,month,year),soon,thedayaftertomorrow,in+时间段(格外注意)I_(go)shoppingtomorrowmorning.Lingling_(finish)middleschoolnextyear.,四、过去将来时：基本结构：was/were/goingto+do;would+do.基本用法：从过去时间点看将来，常用于宾语从句中。Eg.Hesaidthathewouldmarryher.,五、现在完成时：基本结构：助动词have/has+done(动词的过去分词)基本用法：1、过去发生的动作对现在造成的影响或结果Eg.Ihavefinishedmyhomework.2、过去已经开始，持续到现在的动作或状态Eg.Wehavewaitedforherfor2hours.常见时间状语：already，yet,never,ever,before,just,recently,lately,sofar,uptonow,since+时间点，since+句子（句子用过去时态）for+时间段,inthepast/lastfewyears现在完成时是考试中的重点也是难点，同学们需要格外加强。特别注意瞬间动词和延续性动词的转化问题，延续性动词与非延续性动词之间的转换：leavebeaway离开;borrowkeep借;buyhave买;begin/startbeon开始/上演;diebedead;finishendstopbeover结束/完成;joinbein+组织机构或beamemberof+组织机构；fallillbeill；comeherebehere；gotherebethere；becomebe成为等。请看例句1.Theoldmandied4yearsago.Theoldmanhasbeendeadfor4years.2.Iboughtthebook5daysago.Ihavehadthebookfor5days.We_goodfriendssincewemetatschool.（be）,六、过去完成时：基本结构：had+过去分词基本用法：以过去某个时间为标准，在此以前发生的动作或行为，即过去的过去。eg.JustbeforetheEnglishclass,IsuddenlyrealizedthatIhadleftmyEnglishtextbookathome.常见时间状语：before,after,bytheendoflastyear(month),etc.,七、现在进行时：基本结构：am/is/are+doing基本用法：1、此时此刻正在进行的动作eg.Iamwritingaletternow.2、现阶段正在进行的动作eg.Iamreadingabookthesedays.常见时间状语：now,atthistime,thesedays,looklisten.Look,thechildren_basketballontheplayground.(play),八、过去进行时：基本结构：was/were+doing基本用法：1、过去某时刻正在进行的动作eg.Hewasplayingcomputergameswhenhisfathercamehome.2、过去某时段正在进行的动作eg.Hewasdoinghishomeworkwhilehismotherwascooking.常见时间状语：atthistimeyesterday,atthat