GrammarIhavebeencolectingshellsforfiveyears..Istartedtocollectshellsfiveyearsago.Hebegantocollectcoinstwo

yearsago.Hehasbeencollectingcoinsfortwoyears.

Shestartedtocollectstampslastyear.Shehasbeencollectingstampsforayear.

現(xiàn)在完成進行時

含義：表示從過去某時開始，一直延續(xù)到現(xiàn)在的一個動作；該動作有可能繼續(xù)延續(xù)下去。進行時Iamreadingthebook.完成時Ihavereadthebook.現(xiàn)在完成進行時Ihavebeenreadingthebook.現(xiàn)在正在讀已經(jīng)讀過過去到截至說話為止，一直在讀1.結(jié)構(gòu)(“三合一〞結(jié)構(gòu))：1)肯定句:have/hasbeen+V-ing〔從過去到現(xiàn)在〕一直在做某事我在這坐了一個下午了。他弟弟十歲起就一直收集各種各樣的郵票。Ihavebeensittingherefortheafternoon.Hisbrotherhasbeencollectingstampssincehewas10.2)否認句:have/hasnotbeen+V-ing沒有一直在做某事我一個星期沒有給花澆水了。這些年，他都沒有一直在這教書。Ihaven’tbeenwateringtheflowersforaweek.Hehasn’tbeenteachingheretheseyears.3)疑問句：Have/Has+主語+been+V-ing?你一直在寫一本小說嗎？他一直給你寫信嗎？Haveyoubeenwritinganovel?Hashebeenwritingletterstoyou?wehaveclasses

for7daysWehavebeenhaving

classesfor7days.練習：看圖，根據(jù)提示詞，表達句子。Picture1hecry

threehoursHehasbeencryingforthreehours.Picture2ThewomantakearestalldayTheboyhasn't

beentakingarestallday.Picture3itrainthesefewdaysIt

hasbeenraining

thesefewdays.Picture4I'mtiredbecauseI'vebeenrunning.我很累因為我一直跑到現(xiàn)在。〔強調(diào)動作一直進行并持續(xù)到現(xiàn)在〕比照：I'mtiredbecauseI'verun.我累了因為我跑了?！矎娬{(diào)動作已完成〕2.用法：1)現(xiàn)在完成進行時可以表示一個從過去某時開始一直在進行并持續(xù)到現(xiàn)在的動作。這個動作剛剛結(jié)束，對現(xiàn)在有影響。Ihavebeenreadingfor2hours.[Iamstillreadingnow.]

2.〕現(xiàn)在完成進行時可以表示一個從過去某時開始一直持續(xù)到現(xiàn)在的動作。這個動作現(xiàn)在仍在繼續(xù)中。4〕表示從過去到現(xiàn)在反復(fù)發(fā)生的動作

Youhavebeensayingthatforfiveyears.

(這話你已經(jīng)說了有五年了?！?/p>

3〕和進行時一樣，現(xiàn)在完成進行時也往往帶有感情色彩〔如贊揚、厭惡等〕。Whathaveyoubeendoingallthetime?(這半天你在干什么？〕3.時間狀語1〕現(xiàn)在完成進行時通常和“for…〞或“since…〞所引導(dǎo)的時間狀語連用。Ihavebeenwaitingforaletterfrommyparentsfortwodays.雨已經(jīng)下了三個小時Wehavebeenstudyingheresince2004.我這兩天來一直在等我父母的回信Ithasbeenrainingforthreehours.我們自從2004年開始一直在這里讀書。2〕現(xiàn)在完成進行時還可以于thesefewdays,thisweek,allthetime，allnight,allthemorning,allone’slife,duringthenight,recently等連用：I’vebeenwritinglettersallthismorning.(我寫了一上午的信。〕Ihavebeendoingthisallmylife.(這個我做了一輩子啦。〕Recentlyhehasbeendoinghisworkquiteregularly.(近來他都按時做作業(yè)。〕小試牛刀1.—I’msureAndrewwillwinthefirstprizeinthefinal.—Ithinkso.He________foritformonths.A.ispreparingB.waspreparingC.hadbeenpreparingD.hasbeenpreparing2.—Ihavegotaheadache.—Nowonder.You_________infrontofthatcomputertoolong.A.workB.areworkingC.havebeenworkingD.workedDC3.—Hi,Tracy，youlookpale.—Iamtired.I_______thelivingroomallday.A.paintedB.hadpaintedC.havebeenpaintingD.havepainted4.Nowthatsheisoutofjob,Lucy___goingbacktoschool，butshehasn’tdecidedyet. A.hadconsideredB.hasbeenconsidering C.considered D.isgoingtoconsiderCB時態(tài)對比1.現(xiàn)在完成進行時和現(xiàn)在進行時比較：2.現(xiàn)在完成進行時和現(xiàn)在完成時比較：本卷須知：⑴有些動詞(如：work,study,live,teach等)用現(xiàn)在完成進行時與現(xiàn)在完成時表達的意思差不多。試比較：Theteacherhasbeenteachingatthisschoolfortenyears.十年來，那位老師一直在這所學校教書。Theteacherhastaughtatthisschoolfortenyears.那位老師在這所學校已經(jīng)教了十年書