Unit4 Adversity and Courage Discovering Useful Structures課件-【知識(shí)精研】人教版英語選擇性必修第三冊

DiscoverUsefulStructures

Unit4AdversityandCourage現(xiàn)在完成進(jìn)行時(shí)結(jié)構(gòu)

常用的時(shí)間狀語12現(xiàn)在完成進(jìn)行時(shí)VS.現(xiàn)在完成時(shí)34用法Observeanddiscover：1.ThisistheadventurethatIhavebeendreamingof.2.Wearenowcampedonthericeandwehavebeenmanagingtosurvive...3.Thedoghasbeenbarkingforabouttwohours.Ireallyhopeitwillstopsoon.1.觀察以上例句，歸納出現(xiàn)在完成進(jìn)行時(shí)的結(jié)構(gòu)：

。2.寫出現(xiàn)在完成進(jìn)行時(shí)的不同句型：

肯定句否定句一般疑問句特殊疑問句have/has+been+doing

主語+have/hasbeen+doing...

主語+have/hasnotbeen+doing...Have/Has+主語+been+doing...?疑問詞+have/has+主語+been+doing...?一、現(xiàn)在完成進(jìn)行時(shí)的結(jié)構(gòu)IhavebeenlearningEnglishsinceIwas8yearsoldandIstillloveit.learn

8yearsagofuturenow

1.

過去動(dòng)作持續(xù)到現(xiàn)在，還將持續(xù)下去。二、現(xiàn)在完成進(jìn)行時(shí)的用法learnlearnGosh,isanybodyinit?Ihavebeenknockingatthedoorforhalfanhour!Gosh,isanybodyinit?Ihavebeenknockingatthedoorforhalfanhour!pastfuturenowknockknockknock2.

表示動(dòng)作從過去到現(xiàn)在的時(shí)間內(nèi)重復(fù)發(fā)生但有可能間斷。1.---IamsorryIhavekeptyouwaitingsolong.---Itisallright.Ihavebeenreadingthenewspapers.2.Wehavebeenwaitingforyouforhalfanhour.

3.

表示說話之前剛剛結(jié)束的動(dòng)作，并且動(dòng)作不再繼續(xù)。二、現(xiàn)在完成進(jìn)行時(shí)的用法pastnowwaitingstartedarrivefutureOh,youhavecomeatlast!Ihavebeenwaitingforyoufortwohours.Hereyouare!Sorry.I'mlate.Oh,youhavecomeatlast!Ihavebeenwaitingforyoufortwohours.Hereyouare!Sorry.i'mlate.pastfuturenowwait4.表示某種強(qiáng)烈的感情色彩,如：贊賞、不滿、批評、憤怒等。Look&discover:①Aprivatedetectivehasbeentailing(跟蹤)himforseveralweeks.②Tomlovesoutdooractivities-hehasbeenfishingandhunting

sincehewasachild.三、常用的時(shí)間狀語現(xiàn)在完成進(jìn)行時(shí)常與以下表示

“持續(xù)”

的時(shí)間狀語連用：for+時(shí)間段,since+過去時(shí)間/句子（時(shí)態(tài)用過去時(shí)）

（與since或for連用時(shí)，動(dòng)作常會(huì)繼續(xù)下去）

thisweek,thismonth,thesedays...allday,allthemorning,allthetime,allthisweek...recently,lately,uptonow,tillnow,sofar,during...over/inthepast/lastfewyears,fromthestart...Theboy__________________(eat)sincefiveminutesago.

hasbeeneating(1)Theboystartedeatingfiveminutesago.(2)Heisstilleatingnow.Practice完成課本P41②1.Thedogstartedtobarkabouttwohoursago.Ireallyhopeitwillstopsoon.

Thedoghasbeenbarkingforabouttwohours.Ireallyhopeitwillstopsoon.2.Stevestartedtoplayrugbyattheageofeight.Nowhehasbecomeaprofessionalplayer.

Stevehasbeenplayingrugbysinceeightyearsold.Nowhehasbecomeaprofessionalplayer.Readeachsituationandrewriteeachsentenceusingthepresentperfectcontinuoustense.（課本P41②）3.Timmyisholdingatabletennisbatandhisshorthairisdampwithsweat.Helooksalittletiredafterplayingtabletennisfortwohours.4.Dianehasn’tgotmuchsleepthisweek.Shelooksterribletoday.5.Itriedtophoneyouthismorning.ImusthavetriedadozentimesbeforeIcaughtyouhere.Timmyisholdingatabletennisbatandhisshorthairisdampwithsweat.Hehasbeenplayingtennisfortwohoursandlooksalittletired.Dianehasn’tbeensleepingwellthisweek.Shelooksterribletoday.

Ihavebeentryingtophoneyouthismorning.ImusthavetriedadozentimesbeforeIcaughtyouhere..四、現(xiàn)在完成進(jìn)行時(shí)VS.現(xiàn)在完成時(shí)【相同點(diǎn)】1.動(dòng)作都發(fā)生在過去；2.都與一段時(shí)間連用。Ihavebeenteachingfortwoyears.Ihavetaughtfortwoyears.Differences現(xiàn)在完成時(shí)VS.現(xiàn)在完成進(jìn)行時(shí)

pastfuturenowdiddohavedone

pastfuturenowdiddohavebeendoingdo現(xiàn)在完成時(shí)現(xiàn)在完成進(jìn)行時(shí)Compareandfind現(xiàn)在完成時(shí)VS.現(xiàn)在完成進(jìn)行時(shí)Hehaswrittenanovel,whichisbeingpreparedtocomeoutnow.Hehasbeenwritinganovel,whichwillbefinishednextmonth.時(shí)態(tài)

現(xiàn)在完成時(shí)強(qiáng)調(diào)完成和結(jié)果/影響現(xiàn)在完成進(jìn)行時(shí)強(qiáng)調(diào)未完成和動(dòng)作Compareandfind現(xiàn)在完成時(shí)VS.現(xiàn)在完成進(jìn)行時(shí)Juliahasgonetothelibrary.Juliahasbeengoingtothelibraryforayear.時(shí)態(tài)

現(xiàn)在完成時(shí)強(qiáng)調(diào)完成和結(jié)果/影響經(jīng)常表單個(gè)事件現(xiàn)在完成進(jìn)行時(shí)強(qiáng)調(diào)未完成和動(dòng)作可表重復(fù)事件Compareandfind現(xiàn)在完成時(shí)VS.現(xiàn)在完成進(jìn)行時(shí)Therepairmanhasrepairedyourcar,andyoucanhaveitnow.Therepairmanhasbeenrepairingthecaralltheafternoon.時(shí)態(tài)

現(xiàn)在完成時(shí)強(qiáng)調(diào)完成和結(jié)果/影響經(jīng)常表單個(gè)事件通常只陳述事實(shí)現(xiàn)在完成進(jìn)行時(shí)強(qiáng)調(diào)未完成和動(dòng)作可表重復(fù)事件含感情色彩Compareandfind現(xiàn)在完成時(shí)VS.現(xiàn)在完成進(jìn)行時(shí)Ihavevisitedmyhometownrecently,whosechangeshaveleftadeepimpressiononme.Ihavebeenvisitingmyhometownrecently,anditimpressesmedifferentlyeachtime.時(shí)態(tài)

表重復(fù)時(shí)現(xiàn)在完成時(shí)強(qiáng)調(diào)完成和結(jié)果/影響經(jīng)常表單個(gè)事件通常只陳述事實(shí)強(qiáng)調(diào)成果，講次數(shù)現(xiàn)在完成進(jìn)行時(shí)強(qiáng)調(diào)未完成和動(dòng)作可表重復(fù)事件含感情色彩強(qiáng)調(diào)持續(xù)，不講次數(shù)

1.Forthewholemorning,theboardofdirectors______________________(discuss)theresolutiontoincreasewagesinthecomingyear.2.Jason’sonlyrecreationispainting.He___________________(learn)howtopaintforoverfiveyears.3.Eventhoughwelostthegames,weshouldbeproudofourselvesbecausewe_______________(try)ourbestand__________(work)asateam.4.Hefinally______________(finish)theresearchpaperunderhistutor’sguidance.5.MynephewSam____________________(collect)comicbookssincehewasfive.Nowhehasmorethantwohundredofthem.6.Thecompany_______________________________(launch)anadvertisingcampaigntopromoteitscorporateimage.ha