现在完成进行时的结构时态第⑤讲:完成进行时的4种时态

时态第⑤讲:完成进行时4时态 来自Jerry的英语课堂 00:00 07:01 现在完成进行时the present perfect continuous tense概念:表示某一动作开始于过去某一时间,延续或重
时态第⑤讲:完成进行时4时态来自Jerry的英语课堂00:0007:01现在完成进行时thepresentperfectcontinuoustense概念:表示某一动作开始于过去某一时间,延续或重复地出现至今,还将延续至将来;Wehavebeenworkingonthisprojectforoveramonthnow.Ithasbeenrainingfortwohours.Itseemsoilhasbeenleakingfromthispipeforsometime.过去完成进行时thepastperfectcontinuoustense概念:相对过去的某个时刻来说对现在已经有直接影响并且还在进行的动作;Shehadbeensufferingfromabadcoldwhenshetooktheexam.Johnhadbeenaskingmethesamequestionforalmost6times.IhadbeenlookingforitfordaysbeforeIfoundit.将来完成进行时thefutureperfectcontinuoustense概念:表示动作从将来的某一时间开始一直延续到将来某一时间,并可能继续延续下去;VickywillhavebeenworkinginthisSchoolfor12yearsbytheendofnextyear.TheplayiscomingoffinAugust.Bythenitwillhavebeenrunningforthreemonths.BythetimeJohnretires,Jerrywillhavebeenteachingfor10years.过去将来完成进行时thepastfutureperfectcontinuoustense概念:表示动作从过去某一时间开始一直延续到对于过去来说的将来某一时间,并可能继续下去;IheardthatbyMayVickywouldhavebeenworkingherefortwelveyears.Shetoldmeshewouldhavebeenteachingintheuniversityfor20yearsbythatsummer.HesaidthatbytheendofthespringtermhewouldhavebeenstudyingEnglishforthreeyears.

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