Unit 6 Nurturing Nature Using language 现在完成进行时课件高二英语外研版（2019）选择性必修第一册

1.Anenemy敌人

hasbeenslain杀死.2.Youhaveslainanenemy.3.Yourteamhasdestoryed摧毁aturret塔楼.Presentperfect现在完成时强调动作完成/结果Unit6Presentperfectcontinuous现在完成进行时1.定义2.结构3.时间状语4.现在完成时和现在完成进行时的区别Presentperfectcontinuous一、定义现在完成进行时表示动作从过去某一时间开始一直持续到现在，这个动作可能到现在终止，也可能还会继续。eg.I

havebeenpaintingthedoor,somyhandsareverydirty.

eg.Youhavebeenlyingtome.Iwon’tbelieveyouagain.二、结构肯定：have/hasbeendoing否定：haven’t/hasn’tbeendoing

eg：Ihavebeenwaitingforanhour,butshehasn'tcomeyet.

eg.Tomhasn’tbeenworkinghardsincethenewtermbegan.

三、时间状语现在完成进行时常与表示一段时间的状语连用，如：allthetime一直,thisweek这周,allnight整晚,thesefewdays这些天,for+一段时间,since，recently最近

等。eg.Ihavebeenlivingheresince2020.eg.IhavebeenreadingthenovelfortwoweeksandIshouldbefinishedin3days.四、现在完成进行时与现在完成时的区别1.现在完成时have/hasbeendoing的动作不一定已经完成(强调动作的延续)，而现在完成时have/hasdone表示动作已经完成（强调结果）。eg.Hehasbeenwritinganovel,whichwillbefinishednextmonth.eg.Hehaswrittenanovel,whichisbeingpreparedtocomeoutnow.四、现在完成进行时与现在完成时的区别2.现在完成时have/hasbeendoing可以表示动作在重复，而现在完成时have/hasdone不表示动作重复。eg.Ihavebeenmeetingheratthelibraryrecently.Sheshouldbeprepareforherexamnextmonth.eg.Ihavemetherrecently，andshelooksthesameasfiveyearsago.四、现在完成进行时与现在完成时的区别3.现在完成时have/hasbeendoing带有感情色彩，可使表达显得生动，而现在完成时have/hasdone只表明一个事实、一种影响或结果，不带感情色彩。eg.RecentlyLiHuahasbeenhelpinghismotherdohouseworkregularly.

(赞扬)eg.Ihavehelp

amaninneedandIfeeldelighted.（事实）四、现在完成进行时与现在完成时的区别4.状态动词和非延续性动词（瞬间动词）不用于现在完成时have/hasbeendoing，而用现在完成时have/hasdone。

eg.IhavebeenillrecentlysoIcouldn’tgotowork.eg.Shehasfinished

theprojectrelevanttoclimatechange.Exercise(1)Youshouldgotobed.You___________________(watch)TVfor5hours.(2)I_________________(write)letterssince6o'clock.WhencanIhavearest？(3)I_________________(look)forhimeverywhere.Wherecanhebe?havebeenwatchinghavebeenwritinghavebeenlooking

(4)三年以来，我们一直在研究这个地区的各种物种。

________________________________

sincethreeyearsago.(5)近来他老是说厌倦了自己的工作。______________________heistiredofhisworkrecently.(6)在过去的几个月，西南地区的人们一直遭受严重旱灾的折磨。Peopleinthesouthwesternareas________________________________________inthepastfewmonths.WehavebeenstudyingvariousspeciesintheareaHehasbeensayinghavebeensufferingfrom

seriousdrought

PracticeForthepasttwoyears,Gordon'sstudents____________________(study)waystokillbacteriainzerogravity,andtheythinkthey'reclosetoasolution(解决方案)．Inthelastfewyears,China______________(make)greatachievementsinenvironmentalprotection.Despitethepreviousroundsoftalks,noagreement_____________________(reach)sofarbythetwosides.havebeenstudyinghasmadehasbeenreachedMarty___________________(work)reallyhardonhisbookandthinkshe'llhavefinisheditbyFriday.Tom________________________(work)inthelibraryeverynightoverthelastthreemonths.Excuseme,madam.Ellen,ajournalistfromtheDailyMail_____________________(phone)allday.Couldyouspeaktohernow?hasbeenworkinghasbeenworkinghavebeenphoningActivity2Completethepassagewiththecorrectformoftheverbsinbrackets.IpullofftheheadsetandI’mbackinmylivingroom.Thankgoodness!I5__________________(give)thelatestvirtualrealityheadsetand,forthelasttwentyminutes,I6_________________(use)ittoexploretheAmazon.Thisisanamazingexperienceandareminderofhowmanyspeciesthereareintherainforest.Wemustdoallwecantoprotectit.I1________________(hear)astrangesoundforawhile.It’sadeep,loudroar,likealion’s.Buttherearen’tanylionshere...Orarethere?SoonIseewhat2_______________(make)thenoise:ahowlermonkey.NowIfeellessworried.Realisingthatsomething3_____________(move)onmyshoulder,Iturnmyheadtolookatit.Ohno!It’sagiantspider!Ibrushitoffanditrunsundersomeleaves.Itrytobatawaythehugeinsects,which4________________(fly)aroundmyheadinablackcloudforquiteawhile.I1________________(hear)astrangesoundforawhile.It’sadeep,loudroar,likealion’s.Buttherearen’tanylionshere...Orarethere?SoonIseewhat2_______________(make)thenoise:ahowlermonkey.NowIfeellessworried.Realisingthatsomething3_________(move)onmyshoulder,Iturnmyheadtolookatit.Ohno!It’sagiantspider!Ibrushitoffanditrunsundersomeleaves.Itrytobatawaythehugeinsects,which4______________(fly)aroundmyheadinablackcloudforquiteawhile.

IpullofftheheadsetandI’mbackinmylivingroom.Thankgoodness!I5______________(give)thelatestvirtualrealityheadsetand,forthelasttwentyminutes,I6______________(use)ittoexploretheAmazon.Thisisanamazingexperienceandareminderofhowmanyspeciesthereareintherainforest.Wemustdoallwecantoprotectit.havebeenhearinghavebeengivenismovinghasbeenmakinghavebeenusinghavebeenflyingLookatthechartsand

makesentencesusingthepr