PresentPerfectContinuousTense

現(xiàn)在完成進(jìn)行時(shí)XB2Unit2FitforlifeTolearnthepresentperfectcontinuoustense;Topracticethepresentperfectcontinuoustensebyfinishingsomeexercises.【語法感知】補(bǔ)全以下課文原句并思考所填寫部分的功能與構(gòu)成:1.OverthepastthreemonthsI_______________(test)outthelimitsofwhatIcandowithmynewhand,anditconstantlysurprisesme.

2.Scientists________________(make)greatprogressinrobotictechnologyinrecentyears,andtheirworkonroboticlimbshasreallychangedmylife.

3.Geneticists_______________(try)toidentifywhichgenesrelatetowhichdiseases,astheybelievegenomeeditingisaneffectivemeansofdiseasetreatmentandprevention.

4.Despitethepublicargumentoverthistechnology,itspossibilities________________(create)muchexcitementthroughouttheentiremedicalcommunityandbeyond.

havebeentestinghavebeenmakinghavebeentryinghavebeencreatingThePresentPerfectContinuousTense

現(xiàn)在完成進(jìn)行時(shí)

1.定義2.構(gòu)成3.基本用法現(xiàn)在完成進(jìn)行時(shí)定義現(xiàn)在完成進(jìn)行時(shí)表示動(dòng)作從過去某一時(shí)間開始，一直持續(xù)到現(xiàn)在，或者剛剛終止，或者可能還要繼續(xù)進(jìn)行下去。

pastfuturenowdodo現(xiàn)在完成進(jìn)行時(shí)do1.I

havebeenlearning

EnglishsinceIwas8yearsoldandIstillloveit.2.It

hasbeenraining

thesedays.3.Hehasn'tbeenusingthecarforthelasttwomonths.4.Havetheybeenwaitingforyouforhalfanhour?

構(gòu)成①肯定句：②否定句：③一般疑問句：主語＋has/havebeendoing+其他主語＋has/havenotbeendoing+其他Has/Have＋主語＋beendoing+其他？注意：不用被動(dòng)語態(tài)構(gòu)成基本用法1.現(xiàn)在完成進(jìn)行時(shí)經(jīng)常用來表示一個(gè)開始于過去,現(xiàn)在剛剛完成或還要繼續(xù)下去的行為。*Whyareyourclothessodirty?Whathaveyoubeendoing?

你的衣服為什么這么臟?你都干什么了?(剛結(jié)束)*Ithasbeenrainingfortwohours.雨已經(jīng)下了兩個(gè)小時(shí)了。(現(xiàn)在還在下)*Jackhasbeenfeelingverywellrecently.杰克最近身體一直很好。(這個(gè)狀態(tài)還要延續(xù))2.現(xiàn)在完成進(jìn)行時(shí)還可以用來表示一個(gè)開始于過去,延續(xù)到現(xiàn)在,并在一個(gè)階段內(nèi)重復(fù)發(fā)生的行動(dòng)。*Shehasbeenplayingtennissinceshewaseight.她從八歲起就打網(wǎng)球了。(經(jīng)常發(fā)生,并且還要持續(xù))*We’vebeenseeingquitealotofeachotherrecently.最近我們常常見面。(過去開始,并在這個(gè)階段內(nèi)重復(fù)發(fā)生)allday/month;thismonth/week/year;thesedays;recently/lately;

since+時(shí)間點(diǎn)/從句;

for+時(shí)間段等。常用時(shí)間狀語現(xiàn)在完成時(shí)現(xiàn)在完成進(jìn)行時(shí)VS

pastfuturenowdodohavedone

pastfuturenowdodohavebeendoing現(xiàn)在完成時(shí)do現(xiàn)在完成進(jìn)行時(shí)1.現(xiàn)在完成時(shí)強(qiáng)調(diào)動(dòng)作行為的結(jié)果、影響

現(xiàn)在完成進(jìn)行時(shí)強(qiáng)調(diào)動(dòng)作的持續(xù)過程*Thecarisgoingagainnow.Tomhasrepairedit.汽車現(xiàn)在又開動(dòng)了。湯姆把它修好了。(現(xiàn)在完成時(shí),強(qiáng)調(diào)結(jié)果)*Tom’shandsareverydirty.Hehasbeenrepairingthecar.湯姆的手很臟。他一直在修理汽車。(現(xiàn)在完成進(jìn)行時(shí),強(qiáng)調(diào)動(dòng)作持續(xù)的過程)2.有些動(dòng)詞如learn(學(xué)習(xí)),lie(躺),live(居住),rain(下雨),sleep(睡),study(學(xué)習(xí)),wait(等候),work(工作)等本身就有持續(xù)性,這些動(dòng)詞的現(xiàn)在完成進(jìn)行時(shí)等同于現(xiàn)在完成時(shí)。如:*Theyhavebeenlivinginthiscityfortenyears.*Theyhavelivedinthiscityfortenyears.兩句都可翻譯成:他們在這個(gè)城市已經(jīng)住十年了。而且都表示動(dòng)作還將繼續(xù)下去。*Ihavebeenworkinghereforfiveyears.*Ihaveworkedhereforfiveyears.兩句都可翻譯成:我在這里已經(jīng)工作五年了。都表示動(dòng)作還將繼續(xù)下去。3.現(xiàn)在完成時(shí)往往只說明一個(gè)事實(shí)，一種影響或結(jié)果現(xiàn)在完成進(jìn)行時(shí)比較生動(dòng)，有時(shí)含有明顯的感情色彩(喜悅、憤怒、不滿、厭惡等)Translate:①

Ihavewaitedforyoufortwohours.②

Ihavebeenwaitingforyoufortwohours.說一個(gè)事實(shí)；平鋪直敘強(qiáng)調(diào)動(dòng)作的持續(xù)性或不滿我等了你兩個(gè)小時(shí)。我已經(jīng)等你兩個(gè)小時(shí)了。4.某些不具延續(xù)性含義的動(dòng)詞，如come,go,marry,die,finish，leave等，不適用于現(xiàn)在完成進(jìn)行時(shí)，但可用于現(xiàn)在完成時(shí)。Wehavefinishedthehomework.Wehavebeenfinishingthehomework.我們已經(jīng)完成了家庭作業(yè)。1.現(xiàn)在完成進(jìn)行時(shí)的定義：2.現(xiàn)在完成進(jìn)行時(shí)的構(gòu)成:3.現(xiàn)在完成進(jìn)行時(shí)的常用時(shí)間狀語:

表示動(dòng)作從過去某一時(shí)間開始一直持續(xù)到現(xiàn)在，這個(gè)動(dòng)作可能剛終止，也可能還在進(jìn)行。have/hasbeen+doingallday/month;thismonth/week/year;thesedays;recently/lately;since+時(shí)間點(diǎn)/從句;for+時(shí)間段等。【即學(xué)活用】(1)Howlong_____you____________English?

你學(xué)習(xí)英語多久了?(2)I__________________verywellforthepastfewdays.

這幾天以來,我一直感到不太舒服。(3)I_______________tofindouthertelephonenumber.

我一直在設(shè)法找出她的電話號碼。(4)Sheisverytired.She______________