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Doyouwanttobethebestdoctor?1.Hedidhishomeworkeveryday.2.LlLeiwritingtohisfathernow.3.Peteroftenplaysbasketballwhenhewasincollege.4.IwouldgoshoppingonSunday.一般现在时:PresentSimple结构:主语+动词原形或第三人称单数+其他**当主语是复数名词时，谓语动词用原形，当主语是单数名词、不可数名词或第三人称单数时，谓语动词用第三人称单数形式。动词第三人称单数变化规则动词第三人称单数形式的构成方法与名词变复数的方法基本相同1.一般情况下直接加s.如look—looks,read—reads.2.以s,x,ch,sh结尾的动词加es.如miss—misses,fix—fixes,watch—watches,wash—washes.3.以“辅音字母+y”结尾的动词，变y为i再加es.如carry—carries,cry--cries一般现在时的用法1表示经常发生的动作，行为或存在状态，常与always,often,never,seldom等表示频度的副词或者时间状语everyday,intheevening,onMondayafternoon,onceaweek等连用.e.g.Igetupatsixeverymorning.Ioftendomyhomeworkonweekend.2.表示客观真理、谚语，客观存在或科学事实。e.g.Thesunsetsinthewest.Theearthmovesroundthesun.3.表示现在时刻的状态、能力、性格及个性e.g.Heisbusyathemoment.Heneedshelp.4.在条件或时间状语从句中，用一般现在时表示将来，也就是主将从现e.g.Iwillbehappyifyouallcome.Hewillcallyouwhenhearrives.1.Thetwins___________(wash)theclotheseveryday.2.Sometimeshe________(play)basketballoverthere.3.Howoften____Sally______(sing)?washplaysdoessing一般过去时:PastSimple结构:主语+动词过去式+其他时间状语:justnow,yesterday、...ago、in1992、lastweek/month…动词过去式形式的构成：在动词后加-ed以字母e结尾的动词，只+d“辅音字母+y”，变y为i,再+ed重读闭音节以一个辅音字母结尾的，双写+edwantanswermovediecarrycrystopplanwantedmoveddiedcarriedcriedstoppedplannedanswered一般过去时的用法1.表示过去经常或习惯发生的动作e.g.Markworkedinchinafor10yearsandnowheteacheschineseinbritain.2.表示过去的状态或特征e.g.Hewasataxidriveroneyearsago.3.根据上下文语境猜测是在过去发生的动作e.g.Ididn’tknowhewasyourfather.4.描述已故之人的动作或状态e.g.Edisoninventedtheeletriclight.1.Thetwins___________(wash)theclothesyesterday.2.Thedaybeforeyesterdayhe________(play)basketballoverthere.3._____Sally______(sing)twohoursago?washedplayedDidsing现在进行时:PresentProgressive结构:主语+be(is,am,are)+doing(动词的现在分词)时间状语：Look!、Listen!、now、thesedays,atthemoment.一般在动词原形后+ing以不发音的e结尾的，去e，+ing重读闭音节以一个辅音字母结尾的，双写这一字母+ing动词现在分词形式的构成：writingtakinggettingrunningswimminggoinggoaskwritetakegetrunswimasking现在进行时的用法1.句子中含有now,thesedays等这些时间状语或者有look,listen,canyousee等这些暗示词。e.g.Look!theyareplayingfootball.2.在含有come,go,leave,move等词的句子中，现在进行时可以表示在较近的将来要发生的事情。e.g.Dadisleavingforchinaintwoweeks.3.当句中没有具体的时间状语时，应根据上下文语境来理解使用现在进行时。e.g.Tomswantstobeasingerandheistakinglessontodoit.1.Thetwins___________(wash)theclothesnow.2.Look!He________(play)basketballoverthere.3.Listen!______Sally_______(sing)?arewashingisplayingIssingingExercisesOfTheTensesReview1.Iusually__(get)upat6:00,butyesterdayi__(get)upat7:00,andtommorrowi__(get)upat6:30.2.Listen!Someone__(knock)atthedoor.3.Howoften__Anday__(surf)theinternet!4.Mybrotheroften__(go)forwalkslastsummer.5.Ifit__(notrain)tommorrow,they__(go)finishing6.__kates'ssisters__(play)thepianoeverySunday？Composition:I（你的过去、现在和将来）Writeanarticleaboutyourself,tellusyourpast、yourpresentandyourfuture.Homework