五种基本时态PPT课件

.,1,五种常见的时态,.,2,把下列句子翻译成英文:1.我正在浇花.2.昨天我浇花了.3.明天我将要浇花.4.我每天都浇花.5.我已经浇花了.,.,3,把下列句子翻译成英文:,1.我正在浇花.,Iamwateringtheflowersnow.,2.昨天我浇花了.,Iwateredtheflowersyesterday.,3.明天我要给花浇水.,Iwillwatertheflowerstomorrow.orIamgoingtowatertheflowerstomorrow.,.,4,把下列句子翻译成英文:,4.我每天都浇花.,Iwatertheflowerseveryday.,5.我已经浇花了.,Ihavealreadywateredtheflowers.,.,5,五种常见时态的基本结构：一、一般现在时：is/am/are；动词原形及动词第三人称单数二、一般过去时：was/were；动词过去式三、现在进行时：am/is/are+doing四、一般将来时：am/is/are/goingto+do；will/shall+do.五、现在完成时：have/has+done,.,6,1.Fatheroften_(go)toworkonfoot.,goes,2.Trains_(run)fasterthancars.,run,5.I_(go)tovisitafriendofmineyesterday.,went,6.Sheoften_(run)inthemorningwhenshewasyoung.,7.Thedog_(run)afteracatnow.,isrunning,8.They_(build)therestaurantthesedays.,arebuilding,ran,3.He_(be)busyeveryday.,is,4.He_(be)asoldierthreeyearsago.,was,.,7,9.They_(fly)toJapanthedayaftertomorrow.,willfly,10.There_(be)ameetingtomorrowafternoon.,Willbe,11.Myfather_(come)backintwoweek.,Willcome,12.I_(finish)myhomeworksoon.,Willfinish,13.Scientist_(invite)computerformanyyears,hasinvited,14.I_never_(be)toHongKong.,have,been,15.I_(notbe)abroadsofar.,haventbeen,.,8,1.一般现在时,（1）表示经常发生或习惯性的动作或状态,（2）表示主语现在的性格、特征、能力,（3）表示客观事实或普遍用法,（4）用于状语从句代替一般将来时,eg.Weoftenwritetoeachother.我们时常相互通信。,常与always，usually，often，sometimes，seldom,never,everyday，onceaweek，yearly(everyyear)每年，monthly(everymonth)每月，等时间状语或频率副词连用。,eg.Heworkshard.他努力工作,eg.Thesunrisesintheeast.Lightgoesfasterthansound,eg.Youwillsucceedifyoutry.,IwilltellhimaboutitassoonasIseehimnextMonday.,常与连词：when,assoonas,before,after,until,if如果，等引导的时间状语或条件状语从句,.,9,2.一般过去时,(1).表示过去某一时间点发生的动作或所处的状态.e.g.HearrivedinHangzhouanhourago.Wherewereyoujustnow?,(2).表示过去某一时间里反复出现的动作或状态.e.g.Theirchildrenoftenwenthungryintheolddays.Duringhismiddleschoolyears,heplayedfootballnearlyeveryday.,(3).表示主语过去的特征或性格等.e.g.AtthattimeshespokeverygoodEnglish.,(4).一般过去时往往和明确的过去时间状语连用.如:yesterday,lastnight,twodays(months,weeks)ago,in1996,justnow,atthattime等.e.g.Didyouplayvolleyballyesterdayafternoon?Myfather,whenhewasachild,worked15hoursaday.,(5).一般过去时可与today,thisweek,thismonth等时间状语连用.e.g.Isawhimtoday.Hecamelatethreetimesthisweek.,.,10,3、一般将来时,1、用法：,表示将来某个时刻将要发生的动作或存在的状态。They_(fly)toJapanthedayaftertomorrow.,willfly,口语中大量使用begoingto结构表示事先打算有意图要发生的动作或客观情况下即将要发生的动作。,Lookattheclouds.Itisgoingtorain.,常用时间状语：tomorrow/nextday（week,month,year）/inafewminutes/soon/thedayaftertomorrow/thiseveningect。,.,11,4.现在进行时,(1)意义：a.表示说话的此刻正在进行的动作。常与now,atthemoment/rightnow/look/listen/thesedays等连用。,例:Listen!MaryissinginganEnglishsongintheclassroom.,b.表示现在时间段中正在进行的动作。,例:Theyareplantingtreesonthehillthesedays.,.,12,6.现在完成时,（1）意义：现在完成时表示过去发生或已经完成的动作对现在造成的影响或结果,也可表示过去已经开始,一直延续到现在的动作或状态。,（2）结构：助动词have/has+动词的过去分词,（3）四大标志词：*以already,just和yet为标志：表示到现在为止动作或状态已经、刚刚或还没有发生*以ever和never为标志：表示到现在为止动作或状态曾经或从来没有发生过*以动作发生的次数为标志：HesayshehasbeentotheUSAthreetimes.*以sofar为标志：表示到目前为止动作或状态已经发生,(4.)*时间“点”、“段”须分清for+时间段since+过去某一时刻,.,13,He_backamonthago.(come)2.Mymotheroften_(tell)menottoreadinbed.3.Imusttakeitbackthedayaftertomorrow.Youcanonly_itfor24hours.(保存)4.Pleasecometoourmeetingifyou_freetomorrow.(be)5.She_totheG