PastPerfectContinuousWhatisPastPerfectContinuous
WhatisPastPerfectContinuous
Thisafternoon,Iwasinthetowncenter,whereIhadbeendoingsomeshopping
Oneafternoon,hundredsofunluckypassengerswhohadbeenexpectingtoboardaflighttoNewYorkweretoldithadbeencancelled
summaryhadbeendoing意义:Beforeshewasrescuedfromtheruins,thesoldiershadbeensearchingfortwohours
Ihadbeenwaitingfortwohourswhentheyannouncedthattheticketsweresoldout
结构:用于描述过去某一动作之前一直在进行或反复的动作
例:moneyGrammarSherealisedthatshedidn'thaveanymoneyleft
Shehadbeendoingsomeshopping
DoyouknowwhoIam
GrammarHepushedhiswaytothefront
Hehadbeenwaitinginlineforsometime
Practice5Shewasscared
watchathrillerShewasscaredbecauseshehadbeenwatchingathrilleronTV
ExamplePractice5Hewaslaidoff
alwayscometoworklateHewaslaidoffbecausehehadalwaysbeencomingtoworklate