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Whatafinedaytoday!Look....现在进行时:Presentcontinuous概念:表示现在正在发生的动作结构:be(is,am,are)+现在分词标志语：Look!、Listen!、now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-ing形式的构成：writingtakinggettingrunningswimminggoinggoaskwritetakegetrunswimasking1.Thetwins___________(wash)theclothesnow.2.Look!He________(play)basketballoverthere.3.Listen!______Sally_______(sing)?arewashingisplayingIssingingHowoftendoyou…?(onceaweek,twice…,never)Ihaveafriend.His/Hernameis….He/Sheplays….一般现在时:PresentSimple概念:表示习惯、经常性的动作结构:动词原形（三单除外）标志语：usually、often、never、sometimes、onceaweek、twiceamonth、everyyear1.Thetwins___________(wash)theclotheseveryday.2.Sometimeshe________(play)basketballoverthere.3.Howoften____Sally______(sing)?washplaysdoessing--Whendidyougetup?--Igotupat…getupgot6:00gotoschoolwent?havelunchhad12:00playbasketballplayed?dohomeworkdid?gotobedwent?LastSundaymorning,myfriend….Intheafternoon,he/she….Andatnight,he/she…morningwent…afternoonvisited…night…一般过去时:PastSimple概念:表示过去发生的动作结构:动词的过去式标志语：yesterday、...ago、in1992、lastweek/month…动词-ed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+edwantanswermovediecarrycrystopplanwantedmoveddiedcarriedcriedstoppedplannedansweredgotdranktookwentswamatecutwerehaddidcamesaidsawputgettakegoswimeatdrinkarehavedocomecutputsaysee1.Thetwins___________(wash)theclothesyesterday.2.Thedaybeforeyesterdayhe________(play)basketballoverthere.3._____Sally______(sing)twohoursago?washedplayedDidsing1234--Whatwasgrandmadoingat7?–Shewasgettingup.过去进行时:PastProgressive概念:表示过去正在发生的动作结构:be(was，were)+现在分词标志语：at8:00yesterday、when、while、…1.Thetwins___________(wash)theclothesat9:00yesterday.2.He________(play)basketballwhilehismotherwascooking.3._____Sally______(sing)whenyouwenttovisither?werewashingwasplayingWassinging--Haveyoupacked…yet?--Yes,Ihavepacked….No,Ihaven’t…packthetowels√packthecameraX……watertheplants√现在完成时:PresentPerfect概念:表示已经发生的动作结构:have\has+过去分词标志语：already、yet、ever、never、since…、for…、getgoeataredocutsaygotgotwentgoneateeatencutcutwerebeendiddonesaidsaidtakeswimdrinkhavecomeputseetooktakenswamswumdrankdrunkputputhadhadcamecomesawseen1.Thetwins___________(wash)theclothesforanhour.2.He________(play)basketballsincethreeyearsago.3.Howlong_____Sally______(sing)yet?havewashedhasplayedhassung过去完成时:PastPerfect概念:表示过去的过去。结构:had+过去分词标志语：bythetime,或主句为一般过去时的宾语从句中一般将来时:FutureSimple概念:表示将要发生的动作结构:will/shall+动词原形be(is、am、are)goingto+动词原形标志语：tomorrow、in..、next…过去将来时:PastFutureSimple概念:表示过去将要发生的动作结构:would+动词原形be(was、were)goingto动词原形标志语：常用于主句是一般过去时的宾语从句中