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1.一般现在时:PresentSimple概念:表示习惯、经常性的动作结构:1.主语+动原2.主语+三单（动词后加s/es）标志语：usually、often、never、sometimes、onceaweek、twiceamonth、everyyearTheyplaybasketballeveryday.Heplaysbasketballeveryday.Theydon’tplaybasketballeveryday.Hedoesn’tplaybasketballeveryday.2.现在进行时:PresentProgressive概念:表示现在正在发生的动作结构:主语+be(is,am,are)+doing标志语：Look!、Listen!、nowTheyareplayingbasketballnow.Heisplayingbasketballnow.Heisnotplayingbasketballnow.3.一般过去时:PastSimple概念:表示过去发生的动作结构:主语+动（-ed）+….标志语：yesterday、...ago、in1992、lastweek/month…Theyplayedbasketballyesterday.Didtheyplaybasketballyesterday?Theydidn’tplaybasketballyesterday.Heplayedbasketballlastweek.4.过去进行时:PastProgressive概念:表示过去某个时间点正在发生的动作结构:主语+be(was，were)+doing标志语：at8:00yesterday、when、while、…1.Theywereplayingbasketballat7:00yesterday.Theywerenotplayingbasketballat7:00yesterday.2.Hewasplayingbasketballwhilehismotherwascooking.•Hewasnotplayingbasketballwhilehismotherwascooking3.Iwasplayingcomputergameswhenmymotherenteredmyroom.while表示两个动作同时发生，5.现在完成时:PresentPerfect概念:表示过去发生的动作对现在造成的影响。或者过去发生的动作一直持续到现在。结构:主语+has/have+done标志语：already、yet、ever、never、since…、（for+时间段）1.Theyhaveneverplayedbasketball.2.Hehasplayedbasketballsincehejoinedourschoolbasketballteam.6.过去完成时:PastPerfect概念:表示过去某一时间或动作以前已经发生或完成了的动作对过去的某一点造成的某种影响或是结果，结构:主语+had+done标志语：by+过去的时间点1.Theyhadfinishedtheprogrammebytheendoflastterm.Theyhadnotfinishedtheprogrammebytheendoflastterm.7.一般将来时:FutureSimple概念:表示将要发生的动作结构:1.主语+will或者shall+动词原形Shall常用于第一人称，表示征求意见，will用于各种人称2.主语+be(is、am、are)goingto+do标志语：tomorrow、in..、next…Theywillplaybasketballtomorrow.Heisgoingtoplaybasketballtomorrow.ShallIturnonthelights?我开灯好吗?8.过去将来时:PastFutureSimple概念:表示过去将要发生的动作结构:1.主语+would／should＋动词原形（其中would用于各种人称，should常用于第一人称）。2.主语+be(was、were)goingtodo标志语：常用于主句是一般过去时的宾语从句中Hedidn’texpectthatweshould（would）playbasketball．他没想到我们会打篮球。Shesaid(that)hewasgoingtoplaybasketball.•一般现在时的被动语态结构:.主语+be(am,is,are)+done1.Thecomputergameisplayedbythemeveryday.TheComputergameisnotplayedbythemeveryday.2.Computergamesareplayedbyhimeveryday.3.Iamhitbyhisbike.•一般过去时的被动语态•结构:主语+was/were+done（pp.）1.TheComputergamewasplayedbythemyesterday.2.Computergameswereplayedbyhimyesterday.3.Iwashitbyhisbikelastmonth.•现在完成时的被动语态•结构:主语+has/have+been+done•1.Thejobhasbeenfinishedbyhim.•2.Thejobshavebeenfinishedbyhim.•Thejobshavenotbeenfinishedbyhim.•一般将来时的被动语态•结构:主语+will/begoingto+be+done（pp.）1.Thejobwillbefinishedbyhim.Thejobwillnotbeenfinishedbyhim.2.Thejobsaregoingtobefinishedbyhim.Arethejobsgoingtobefinishedbyhim?Thejobsarenotgoingtobefinishedbyhim.过去式和过去分词的用法区别一.形式变化：a.规则动词,过去式和过去分词都是在词末加-ed。talk--talked---talkedb.不规则的,要背不规则动词表.sing--sang--sung(唱歌)run---ran---run,come---came---comewrite--wrote--writensay--said--said二、用法不同过去式(did)是用在一般过去时的句子中；而过去分词(done)用在完成时态、被动语态结构当中。1.have/has+过去分词（现在完成时）2.had+过去分词（过去完成时）3.be+过去分词（被动语态）三、过去时与完成时的区别过去时表示动作发生在过去，过去时与表示过去的时间点连用，lastweek,2yearsago,yesterday等。完成时与一段时间连用，for+时间段（fortendays）,since+时间点，by+时间点，sofar,uptonow（到目前为止）等。steal[sti:l],（stole,stolen）vt.偷;悄悄地做1.Thebeggarstoleanappleyesterday.(过去时)（主+谓+宾：主动语态）2.Anapplewasstolenbythebeggar.（bedone被动语态）3.Thebeggarhasstolentenapplessofar/uptillnow.（have/hasdone现在完成时）4.Thebeggarhadstolenfiveapplesbytheendoflastyear.（表示过去的时间点）(haddone过去完成时)tievt.(用线、绳等)系,绑.（tied,tied,tying）a.Hetiedthethieftothetreeyesterday.（过去时）b.Thethiefwastiedtothetreeyesterday.(bedone被动语态)C.Hehastiedthethieffortendays.(havedone完成时)