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1、present(now)futurepast现在完成时(presentperfecttense)domyhomeworkMother:John,cleanyourteethplease.John:Mum,Ihavealready(已经)cleanedthem.combyourhair------havecombeditwashyourhands-----havewashedthemstudyforEnglishtest-----havestudiedforittellmethetruth-----havetoldyoueverythingvisityourgrandpa---
2、--havevisitedhimlistentotheEnglishtape-----havelistenedtoitMother:John,cleanyourteethplease.John:Mum,Ihavealreadycleanedthem.Father:Tellyoursistertobuysomemilk,John.John:Oh,shehasjust(刚刚)boughtsome.Father:Tellyoursistertobuysomemilk,John.John:Oh,shehasjustboughtsome.carrysomewaterfortheoldm
3、an----hascarriedsomeboilsomewater----hasboiledsomemakesomecoffee----hasmadesomecallMr.Smith----hascalledhimmendtheshirt----hasmendeditdryherhair----hasdriedhers现在完成时一.构成:have/has+done(过去分词)过去分词(pp)其变化方法和动词过去式基本相同。有部分不同，需要记好。HehaslivedinShenzhenfor4years.HashelivedinShenzhenfor4years?Yes,heh
4、as./No,hehasn’t.二:用法:1)现在完成时表示过去发生的动作,并对现在有影响。Someonehasbrokenthewindow.(窗户现在是坏的)Ihavealreadylostthekey.(我现在没有钥匙)Ihaven’treadthatbookyet.(不了解书的内容)Ihavejustcleanedmyhands.(手是干净的)常与already(已经),yet(已经),just(刚刚),ever(曾经)等词连用.already:常用于肯定句中.yet:常用于否定句,疑问句尾.Translatethefollowingsentences.你已经找到你的
5、书了吗?(find-found)他们在这个城市建了许多房子.(build-built)Judy还没到达.(arrive-arrived)你吃过早饭了吗?(have-had)她刚刚离开.(leave-left)Haveyoufoundyourbookyet?Theyhavebuiltmanybuildingsinthiscity.Judyhasn’tarrivedyet.Haveyouhadbreakfast?Shehasjustleft.A:Haveyousurfedtheinternet(上网)?B:Yes,Ihave./No,Ihaven’t.talkonthephone
6、foranhourplaysoccereat(eaten)FrenchFriessee(seen)atigerSamgotsicktwodaysago.Samhasbeensickfortwodays.Sherrygotherdriver’slicense(执照)in1999.Sherryhashadherdriver’slicensesince(自从)1999.ArnoldstartedtoplaytennisinJan.ArnoldhasplayedtennissinceJan.MaggiemovedtoHawaiiin1996.MaggiehaslivedinHawai
7、iforabout8years.现在完成时二:用法:2)现在完成时表示从过去一直持续到现在的动作或状态。ShehaslearnedEnglishfor5years.HehaslivedinBeijingsince(自从)hewasborn.Haveyoustayedheresince(自从)3o’clock?常与for,since引导的时间短语或从句连用.for+时间段since+时间点,since+句子Makesentencesabouttheinventions.InventionDatenewsp
