Unit 4 Discovering Useful Structures P41新人教版 選擇性必修三

新人教選擇性必修Book3

Unit4AdversityandCourageDiscoverusefulstructures

P41

Underlinethesentencesinthetext.AnexpeditiontotheSouthPolewiththegreatSirErnestShackleton-thisistheadventurethatIhavebeendreamingof.Wearenowcampedontheiceandwehavebeenmanagingtosurvive,butspringiscoming,andtheicewillsoonbegintomelt.Wehavebeenstrugglingfordays,butthingsonElephantIslandaregoingfrombadtoworse.PresentationPresentperfectcontinuous現(xiàn)在完成進(jìn)行時(shí)1.現(xiàn)在完成進(jìn)行時(shí)表示動(dòng)作從過去的某一時(shí)間開始一直持續(xù)到現(xiàn)在，動(dòng)作是否延續(xù)下去視上下文而定。TheChinesehavebeenmakingpaperfortwothousandyears.一、用法中國有2000年的造紙歷史。動(dòng)作還將繼續(xù)下去這些天來他一直在給我們的雜志寫文章。TomhadbeenphoningAliceeverynightforseveralmonths.幾個(gè)月來，湯姆每天晚上都給艾麗斯打電話。2.表示從過去到現(xiàn)在的一段時(shí)間被反復(fù)進(jìn)行的動(dòng)作或存在的狀態(tài)。Allthesedayshehasbeenwritingarticlestoourmagazine.allthesedays表示的是一段時(shí)間反復(fù)進(jìn)行的動(dòng)作。強(qiáng)調(diào)Tom最近幾個(gè)月反復(fù)給Alice打電話。Hewastired,hehasbeenworkingallday.他累了，他整天都在工作。表示工作的持續(xù)狀態(tài)。二、結(jié)構(gòu)ShehasbeenburningthemidnightoiltoprepareforGRE.WehavebeengoingtoSeattleforahalfayear.I'vebeen

workingwithherfor20years.例：S（主語）+have/hasbeendoing三、現(xiàn)在完成時(shí)與現(xiàn)在完成進(jìn)行時(shí)的區(qū)別：①在不用時(shí)間狀語的情況下，現(xiàn)在完成進(jìn)行時(shí)表示動(dòng)作仍在持續(xù)進(jìn)行，而現(xiàn)在完成時(shí)則表示動(dòng)作在過去已結(jié)束。

我們一直在打掃教室。我們把教室打掃過了。

Wehavecleanedtheclassroom.Wehavebeencleaningtheclassroom.Ihavelivedhereallmylife.

我一輩子一直住在這兒。②表示暫時(shí)性的動(dòng)作用完成進(jìn)行時(shí)較好，表示長期的持續(xù)狀態(tài)的動(dòng)作用完成時(shí)較好。Hehasbeenstayingwithhisuncleduringthepasttwomonths.最近兩個(gè)月他和他叔叔在一起。短暫性動(dòng)作長期的持續(xù)狀態(tài)Theyhaveknowneachothersince1970.③有些表示狀態(tài)、感情、感覺的動(dòng)詞如：

have,exist,like,hear,know,sound等，不能用于現(xiàn)在完成進(jìn)行時(shí)，但可用于現(xiàn)在完成時(shí)。他們自從1970年就相識(shí)了。JohnhaslovedMarysincetenyearsago.約翰愛了瑪莉整整十年。IhavenotspokenEnglishfortwoyears.Hehasneverseenamanlikehim.④在否定句中一般用現(xiàn)在完成時(shí)而不用現(xiàn)在完成進(jìn)行時(shí)。IhavenotbeenspeakingEnglishfortwoyears.Hehasneverbeenseeingamanlikehim.PracticeReadandrewritethesentencesusingthepresentperfectcontinuoustense.1.Thedogstartedtobarkabouttwohoursago.Ireallyhopeitwillstopsoon.______________________________________________________________________________________2.Stevestartedtoplayrugbyattheageofeight.Nowhehasbecomeaprofessionalplayer.________________________________________________________________________________________5.Itriedtophoneyouthismorning.ImusthavetriedadozentimesbeforeIcaughtyouhere.________________________________________________________________________________________2Thedoghasbeenbarkingforabouttwohours.Ireallyhopeitwillstopsoon.Stevehasbeenplayingrugbysincetheageofeight.Nowhehasbecomeaprofessionalplayer.Ihavebeentryingtophoneyouthismorning.ImusthavetriedadozentimesbeforeIcaughtyouhere.Readandrewritethesentencesusingthepresentperfectcontinuoustense.3.Timmyisholdingatabletennisbatandhisshorthairisdampwithsweat.Helooksalittletiredafterplayingtabletennisfortwohours.________________________________________________________________________________________________________________________________________________________________________________4.Dianehasn'tgotmuchsleepthisweek.Shelooksterribletoday.________________________________________________________________________________________2Timmyisholdingatabletennisbatandhisshorthairisdampwithsweat.Helooksalittletiredbecausehehasbeenplayingtabletennisfortwohours.Dianehasn'tbeensleepingwellthisweek.Shelooksterribletoday.PracticeCompletethesentencesbelowusingthecorrecttensesoftheverbsinbrackets.3Forthewholemorning,theboardofdirectors__________________(discuss)theresolutiontoincreasewagesinthecomingyear.Jason'sonlyrecreationispainting.He______________(learn)howtopaintforoverfiveyears.Eventhoughwelostthegame,weshouldbeproudofourselvesbecausewe_______(try)ourbestand______(work)asateam.Hefinally_______(finish)theresearchpaperunderhistutor'sguidanceMynephewSam__________________(collect)comicbookssincehewasfive.Nowhehasmorethantwohundredofthem.Thecompany___________________________(launch)anadvertisingcampaigntopromoteitscorporate.hasbeendiscussinghasbeenlearningtriedworkedfinishedhasbeencollectingislaunching/haslau