Unit6+Nurturing+Nature+Using+language+現(xiàn)在完成進行時【 知識建構(gòu)+精講專練 】高中英語外研版（2019）選擇性必修第一冊

U6Usinglanguage

Presentperfectcontinuousa.WildanimalssuchastheseTibetanantelopeshavenowbeenusingthesepassagesforyears.1.Whichofthesestatementsistrueaboutsentence(a)?(1)Wildanimalsstartedusingthesepassagesinthepast.(2)Wildanimalsusedthesepassagesonlyonce.(3)Wildanimalsstillusethesepassagesnow.a.WildanimalssuchastheseTibetanantelopeshavenowbeenusingthesepassagesforyears.b.…beforeIknowit,wehavereachedTanggulaStation.Whatisthedifferencebetweentheexpressionsinboldinsentences(a)and(b)?have/hasbeendoinghave/hasdone

現(xiàn)在完成進行時現(xiàn)在完成時動作從過去開始正在進行動作發(fā)生在過去觀察歸納1.ThetrainhasbeenracingalongsteadilysinceitleftXining.2.Allthistime,thesong“SkyRailway”hasbeenplayinginsidemyhead.3.Thejourneyhasbeenflyingby,...4.TheQinghai-TibetPlateauhasbeenattractingpeople’sadmirationforcenturies.5.…passengersfromalloverthecountryhavebeenenjoyingthesemagicallandscapes..moresentenceswiththepresentperfectcontinuoustenseinthetext現(xiàn)在完成進行時含義：現(xiàn)在完成進行時表示動作從_________(過去/現(xiàn)在)一直持續(xù)到________(過去/現(xiàn)在)形式：______________連用的時間狀語：allthetime,thisweek,allnight,thesefewdays,for...,since...過去現(xiàn)在have/hasbeendoinga.Ihavebeendesigningsolarracingcars.

我一直在設(shè)計太陽能賽車。b.Ihavedesignedfiveorsixdifferentcars.

我已經(jīng)設(shè)計五六輛小汽車了?，F(xiàn)在完成進行時和現(xiàn)在完成時的區(qū)別含義：現(xiàn)在完成進行時強調(diào)動作的___________(延續(xù)性/結(jié)果)，現(xiàn)在完成時強調(diào)動作的___________(延續(xù)性/結(jié)果)形式：現(xiàn)在完成進行時______________現(xiàn)在完成時_______________延續(xù)性結(jié)果have/hasbeendoinghave/hasdone2）現(xiàn)在完成進行時往往表示動作在重復(fù)，而現(xiàn)在完成時一般不表示動作的重復(fù)。例如：a.Ihavebeentakingpartinracesforfouryears.我這四年一直在參加比賽。b.Howmanyraceshaveyoutakenpartin?你參加多少場比賽了？現(xiàn)在完成進行時和現(xiàn)在完成時的區(qū)別3）現(xiàn)在完成進行時與所有進行時態(tài)一樣帶有感情色彩，可使表達顯得生動，而現(xiàn)在完成時往往只表明一個事實、一種影響或結(jié)果，不帶感情色彩。例如：Whathaveyoubeendoing?Youlookedfedup.你一直在干什么呀？你看上去很不高興?，F(xiàn)在完成進行時和現(xiàn)在完成時的區(qū)別Payattentiontotheexpressioninredandunderlined.1Thetrainhasbeenracingalongsteadilysince

itleftXining.2Allthistimethesong“SkyRailway”hasbeenplayinginsidemyhead.3WildanimalssuchastheseTibetanantelopeshave

nowbeenusingthesepassagesforyears.觀察歸納4TheQinghai-TibetPlateauhasbeenattractingpeople’sadmirationforcenturies.5Now,thankstoourefforts,passengersfromalloverthecountryhavebeenenjoyingthesemagicallandscapes.現(xiàn)在完成時常與allthistime,now等時間狀語以及由since或for引導(dǎo)的時間狀語連用?？偨Y(jié)例句常搭配的時間狀語

現(xiàn)在完成進行時常與表示一段時間的狀語連用，例如：allthetime,thisweek,allnight,thesefewdays以及由since和for引導(dǎo)的短語或從句Mysister’sbeenwritinglettersallnight.Heisill.He’sbeenlyinginbedforthreeweeks.We’vebeenlivinginthiscitysincewegotmarried.現(xiàn)在完成時的標志時間：already,yet,sofar,never,ever,recently,uptillnow持續(xù)不斷進行,inthepast/last...years.現(xiàn)在完成進行時總結(jié)例句構(gòu)成have/has+been+動詞-ing形式TomhasbeenwatchingTVprogrammessinceseveno'clockthisevening.Ihavebeenworkinghereforfiveyears.總結(jié)例句用法

表示一個由過去某一時間開始一直持續(xù)到現(xiàn)在的動作(可能剛結(jié)束，也可能還要進行下去)。I'vebeendoingmyhouseworkallmorningandI'vejustfinishedit.Howlonghaveyoubeenwearingglasses?有時表示動作的重復(fù)。Davidhasbeencoughingalotlately.Heoughttogiveupsmoking.有時帶有感情色彩。Toomuchhasbeenhappeningtoday!1.

Thefirstuseofatomicweapons(原子武器)wasin1945,

andtheirpower____________________(increase)eversince.2.

Yearsagowedidn’tknowthis,

butrecentscience___________(show)thatpeoplewhodon’tsleepwellgetilleasily.3.

—Look!Somebody___________(clean)thesofa.—Well,

itwasn’tme.

Ididn’tdoit.4.

—Howlong___________you______________(work)inthefactory?—Since1990.Let’spracticehas

been

increasinghas

shownhas

cleanedhave

been

working5．Inordertofindthemissingchild,villagers_______________(do)alltheycanoverthepastfivehours.6．Themanager_______________(tell)theworkershowtoimprovetheprogramsince9am.7．Thetwofriends__________________(chat)ontheInternetforthreehours,andtheywillgoontillnextmorning.Let’spracticehave

been

doinghas

been

tellinghave

been

chattingI1_______________(hear)astrangesoundforawhile.It`sadeep,loudroar,likealion`s.Buttherearen`tanylionshere…Orarethere?SoonIseewhat2______________(make)thenoise:ahowlermonkey.NowIfeellessworried.Realizingthatsomething3____________(move)onmyshoulder,Iturnmyheadtolookatit.Ohno!It`sagiantspider!Ibrushitoffanditrunsundersomeleaves.Completethepassagewiththecorrectformoftheverbsinbrackets.havebeenhearinghasbeenmakingismovingItrytobatawaythehugeinsects,which4_______________(fly)aroundmyheadinablackcloudforquiteawhile.IpullofftheheadsetandI`mbackinmylivingroom.Thankgoodness!I5______________(give)thelatestvirtualrealityheadsetand,forthelasttwentyminutes,I6_____________(use)ittoexploretheAmazon.Completethepassagewiththecorrectformoftheverbsinbrackets.havebeenflyinghavebeengivenhavebeenusingThisisanamazingexperienceandaremindertohowmanyspeciesthereareintherainforest.Wemustdoallwecantoprotectit.Completethepassagewiththecorrectformoftheverbsinbrackets.

Lookatthechartsandmakesentencesusingthepresentperfectcontinuoustense.Thenumberoftreeshasbeenincreasing/risinginthelast20years.increase增加rise

Lookatthechartsandmakesentencesusingthep