Unit10I’vehadthisbikeforthreeyears.延續性動詞與非延續性動詞1.與表示一段的時間連用時，須用延續性動詞表示一段時間的狀語：sinceforsofar（迄今為止）eg:Shehaslearnedabout400Englishwordssofar.

recentlyinrecentyearsinthepast/lastfewyears2.用howlong提問時，須用延續性動詞非延續性動詞和延續性動詞的轉換lend/borrow—buy—leave—begin/start—die—finish/stop---open—fallill—close—join—keephavebeawaybeonbedeadbeoverbeopenedbeill

beclosedbein/beamemberof1.Howlong__yourgrandpa___?A.did,dieB.has,diedC.has,dyingD.has,beendead2.Mr.andMrs.Greenhave_____inChinaforaweek.

A.been

B.got

C.arrived

D.reached3.Myfather____homefornearlythreeweeks.

A.hasgoneawayfrom

B.hasleft

C.hasbeenawayfrom

D.wentawayhowlong意為“多長時間”時，用來提問一段延續時間，如：forayear，since

lastyear等；它同時也對動詞有要求，即回答時只能使用延續性的動詞，如：stay，study，play等，而像open，buy，begin等非延續性動詞是不能與howlong搭配使用的。howlong：“多長時間”，主要對時間段進行提問howoften：表示“多久一次”，主要對頻率進行提問howsoon：意為“還要多久”，多用在一般將來時中checkv.＆n.檢查；審查checkon核實，檢查checkin報到，登記checkout結賬離開；查明；察看；觀察checkover仔細檢查Iwasbusythismorninganddidn'thavetimetocheckmyemail.今天早上我很忙，沒有時間檢查我的郵件。nolonger不再；不復nolonger：強調時間上的不再延續，通常與狀態動詞或延續性動詞連用，相當于“not...anylonger”nomore：強調數量或程度的不再增加，通常與瞬間動詞連用，相當于“not...anymore"吳蕓不再是我們的班長了。Wuyunis__________ourmonitor.holdv.（held，held）擁有；抓住考v.拿著；容納；舉行holdon繼續；稍等；不掛斷（電話）holdup舉起；攔截；使延誤holdback阻礙，阻止holdonto守住；保住holdaconcert舉辦音樂會holdone＇sbreath屏住呼吸whilen.一段時間；一會兒考conj.當...時afterawhile過了一會兒forawhile一會兒inashortwhile不久onceinawhile有時，偶爾Dad,shallwewatchTVforawhile?considerv.注視；仔細考慮考

v.認為；覺得considerdoingsth.考慮做某事considersb.（tobe）...認為某人....considersb.（as）...把某人看作...considerthat...認為...Manyparentsareconsideringchoosingagoodschoolfortheirchildren.習題：轉換句子（過去式---現在完成時）1.Iborrowedthelibrarybooktwodaysago.I__________thelibrarybook______twodays.2.Themeetingstartedtenminutesago.A.Themeeting___________________tenminutesago.B.Themeeting_____________________tenminutes.3.Thefilmbegantwominutesago.Thefilm_________________sincetwominutesago.4.MybrotherjoinedthePartylastyear.Mybrother___________thePartysincelastyear.5.HeleftNanjingtwoyearsago.He______________________Nanjingfortwoyears.6..Thatdogdiedlastmonth.Thatdog_________________sincelastmonth.7.Heboughtthebiketwoyearsago.He____________thebike__________twoyears.常考短語不再；不復說實話；幾個月一段時間保持健康考慮做某事為了依據;按照至于；關于nolongertobehonestacoupleofmonthsforawhilestayhealthy=keephealthyconsiderdoingsth.inordertoaccordingtoasfor用動詞的適當形式填空1._____you________(clean)theroom?Yes,we__________(do)thatalready.When_______you______(do)it?We_______(do)itanhourago.2.______he______(see)thisfilmyet?Yes.When_____he_____(see)it?He______itlastweek.3.--Howmanytimes_____you______(come)here?--Once.HavecleanedhavedonediddodidHasseendidseesawhavecome4.I__________(read)thenoveltwice.It’sinteresting.5.She___________(go)toPairs,hasn’tshe?Yes.How______she_______(go)there?She_______(go)therebyair.6.Sofar,manycountries______________(develop)theirsoftwareprograms.7.MrChen______(give)upsmokinglastyear.8.______youever_______(ride)ahorse?Never.9.He________(keep)thebooksincetwodaysago.havereadhasgonedidgowenthavedevelopedgaveHaveriddenhaskept1.Tom______theCDplayerfortwoweeks.A.haslentB.hasborrowedC.hasboughtD.hashad2.HisbrotherhasbeentoStoneForesttwice______hecametoYunnan.A.afterB.beforeC.sinceD.for3.Iwon'tgototheconcertbecauseI____myticket.A.lostB.don'tloseC.havelostD.iscoming4.Hehas_______beentoShanghai,hashe?Ａ.alreadyＢ.neverＣ.everＤ.still

5.HaveyoumetMr.Li______？Ａ.justＢ.agoＣ.beforeＤ.amomentago6.—Ourcountry______alotsofar.—Yes.Ihopeitwillbeeven____Ａ.haschanged;wellＢ.changed;goodＣ.haschanged;betterＤ.changed;better1.Hehastaughtinourschoolfor30years.(對畫線部分提問)__________hetaughtinyourschool?2．