PastPerfectContinuousWhatisPastPerfectContinuous?WhatisPastPerfectContinuous?1.Thisafternoon,Iwasinthetowncenter,whereIhadbeendoingsomeshopping.2.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.WhatisPastPerfectContinuous?a.longactivitiesinthepastthathappenedbeforeotherpastevents•Shewasupsetbecauseshehadbeenwaitingforherboyfriendforhalfanhour.b.therepeatedactionsthathappenedbeforeaparticularpointinthepastHewaslaidoffbecausehehadalwaysbeencomingtoworklate.c.Anactionthatwasstillinprogressandhadnotbeencompletedataparticulartimeinthepast.•TheyhadbeendoingthethoroughcleaningwhenIcametoseethem.过去完成进行时表示动作_______________开始，______________这一时间。过去完成进行时的构成为“______________”。和过去完成时一样，过去完成进行时也必须以____________为前提pastperfectcontinuous在过去的某一时间之前一直延续到hadbeen+现在分词某一特定的过去时间他去上海之前，一直住在这里。HehadbeenlivingherebeforehewenttoShanghai.使用过去完成进行时时，应注意和其它时态的区别：1.过去完成进行时与过去完成时过去完成进行时强调动作在过去某一特定时间之前开始，到这一时间_____________；而过去完成时则强调动作在过去某一动作或时间之前__________。仍在进行已经完成她叫我进去之前我已经在房间里等了半个小时。（一直在等）我们来之前他已经吃过早餐了。（动作已经结束）Ihadbeenwaitingintheroomforhalfanhourbeforeshecalledmein.Hehadalreadyhadthebreakfastbeforewecame.2.过去完成进行时与过去进行时过去完成进行时强调动作在过去某一时刻之前____________；而过去进行时强调的是在过去某一时刻___________.一直在持续正在进行昨天晚上铃响之前，我一直在读一本小说。（一直在读）昨天晚上铃响时，我正在读一本小说。（当时正在读）LastnightIhadbeenreadinganovelwhenthebellrang.LastnightIwasreadinganovelwhenthebellrang.1.—WasthedrivingpleasantwhenyouvacationedinMexicolastsummer?—No,it____forfourdayswhenwearrived,sotheroadswereverymuddy.A.wasrainingB.wouldberainingC.hadbeenrainingD.haverainedPractice2.—Ihavegotaheadache.—Nowonder.You____infrontofthatcomputertoolong.A.hadworkedB.areworkingC.havebeenworkingD.worked3.—IsawJaneandherboyfriendintheparkateightyesterdayevening.—Impossible.She____TVwithmeinmyhomethen.A.watchedB.hadwatchedC.wouldwatchD.waswatching4.Theybecamefriendsagainthatday.Untilthen,they____toeachotherfornearlytwoyears.A.didn’tspeakB.hadn’tspokenC.haven’tspokenD.haven’tbeenspeaking5.—Didyouseeamaninblackpassbyjustnow?—No,sir.I_____anewspaper.A.readB.wasreadingC.hadreadD.amreading
