英语人教版八年级下册英语语法专题：现在完成时

EnjoylearingEnglish淮南市寿县双庙初级中学王延润EnjoylearingEnglish2017中考英语专题复习王延润淮南市寿县双庙初级中学现在完成时一、基本结构（构成）：have/has+PP助动词（可以帮助构成肯定、疑问和否定句）EnjoylearingEnglish1.Hehascleanedhisroom.(改为一般疑问句）Hashecleanedhisroom?2.ShehaslivedinLondonforfouryears.(划线部分提问）HowlonghasshelivedinLondon?EnjoylearingEnglish即学即练(1)：3.HehasbeentoChina,________?（写出反义疑问句部分）hasn’the4.Theyhavecomebackfromwork.(写否定句）Theyhaven’tcomebackfromwork.EnjoylearingEnglish即学即练(1)：二、现在完成时的主要用法（定义）Shehasgonetoshanghai.(她已经去了上海,对现在造成的结果是:Sheisn'therenow.)1.用法：表示过去发生的某一动作对现在造成的影响或结果。EnjoylearingEnglishShewenttoshanghaiyesterday.2.用法：表示过去某一时间已经开始、持续到现在（也许还会继续进行下去）动作或状态，常和表示一段时间状语，如since+过去的时间点…,for+时间段等连用。（注意：句中谓语动词要用延续性动词）EnjoylearingEnglishIhavelearnedEnglishforsevenyears一段时间的表达方法有两种:1）for+时间段eg:I____________English______________.我学英语已经两年了。forayearfortwoweeksforthreeyearsfortwoyearshavestudiedEnjoylearingEnglish过去的某一时刻（时间点）一般过去时态的时间状语从句2)since+They__________inBeijing____________.他们自１９８０年就一直住在北京。sincelastweek,since3yearsagosincenine,since2008…sinceyoucametoChinasinceyougothomesince1980havelivedEnjoylearingEnglish即学即练(2):选用for和since填空:1.Wehaven’tseeneachother______alongtime.2.HisfatherhasbeeninHefei______10yearsago.3.Thefilmhasbeenon______20minutes.4.Tomhasworkedinthecompanyheleftschooltenyearsago.forforsinceEnjoylearingEnglishsince•Hehasboughtthebook.•Hehasboughtthebookforaweek.•Hehashadthebookforaweek.EnjoylearingEnglish●非延续性动词在肯定句、疑问句中不能与时间段连用，这些动词是：become,begin,buy,borrow,arrive,come/go,die,fall,finish,gettoknow,join,leave,marry等。●为了表述这种意思，我们常用相应的延续性动词”来代替短暂性动词.Shehasboughtthecomputerfortwoyears.hadbuyhave/hashadEnjoylearingEnglishHowlonghaveyoucometotheUnitedStates？beenincometohave/hasbeeninbuyhave/hashadEnjoylearingEnglishIhaveborrowedthedictionarysince3daysago.keptcometohave/hasbeeninbuyhave/hashadborrowhave/haskeptEnjoylearingEnglish“延续性动词”来代替短暂性动词cometohave/hasbeeninbuyhave/hashadgotohave/hasbeeningottohave/hasbeeninjoinhave/hasbeeninhave/hasbeenasoldierleavehave/hasbeenawayborrowhave/haskeptbeginhave/hasbeenonfinishhave/hasbeenoverdiehave/hasbeendeadopenhave/hasbeenopenEnjoylearingEnglish即学即练(3):EnjoylearingEnglish1.我买了这块手表五年了。Ihaveboughtthiswatchforfiveyears.Ihavehadthiswatchforfiveyears/since5yearsago.2.这位老人已经死了十年了。Theoldmanhasdiedfortenyears.Theoldmanhasbeendeadfortenyears/since10yearsago.翻译练习EnjoylearingEnglishOtherkeywords:yeteverneverjustbeforealreadysofarinthepast/last10yearsWe_______only____________100treessofar.haveplantedhavebeentohavegonetohavebeenin去过某地已经回来常与ever,never,once,twice,连用一直留在某地与for/since连用用howlong提问去了某地还没回来不与只用于第三人称Hersister_____________Australia,Sheleftthismorning.hasgonetoEnjoylearingEnglishhave/hasbeentohave/hasgonetohave/hasbeenin去过常与ever,never,once,twice,连用在…与时间段连用用howlong提问去了说话时某人不在只用于第三人称A:WhereisBob?B:He____________Japanwithhissister.hasgonetoEnjoylearingEnglishhave/hasbeentohave/hasgonetohave/hasbeenin去过常与ever,never,once,twice,连用在…与时间段连用用howlong提问去了说话时某人不在只用于第三人称A:Howlong____you_______China?B:I_________herefor3years.havebeenhavebeeninEnjoylearingEnglishhave/hasbeentohave/hasgonetohave/hasbeenin去过常与ever,never,once,twice,连用在…与时间段连用用howlong提问去了说话时某人不在只用于第三人称A:_____youever________thecity?B:No,never.HavebeentoEnjoylearingEnglish1、复习并巩固现在完成时的用法。2、合作完成补充专题练习（学案）。EnjoylearingEnglish3、独立完成A计划专题练习九。ThankyouEnjoylearingEnglish