Unit 4 语法精讲课件 【高效识记+延伸拓展】高中英语人教版（2019）选择性必修第三册

Unit4语法精讲ThePresentPerfectContinuoustense1.现在完成进行时概述现在完成进行时表示过去发生的动作或状况一直持续到现在，这个动作可能仍在继续进行或刚刚结束。现在完成进行时由“have/has+been+现在分词”构成。肯定句：主语+have/has+been+现在分词...否定句：主语+have/has+not+been+现在分词...疑问句：Have/Has+主语+been+现在分词...?疑问代词/疑问副词+have/has+（主语+）been+现在分词...? I’vebeentryingtofindouthertelephonenumber.我一直在查问她的电话号码。Theyhavebeenwideningtheroad.他们在拓宽这条路。单句语法填空（1）Myeyesache.I

（stay）infrontofthecomputeralltheafternoon.（2）He

（do）thisinordertorepaytheboy’skindness.（3）I

（learn）Englishsincethreeyearsago.（4）Youknow，I

（look）forajobforthreemonths，andthisismyfirstformalinterview. havebeenstayinghasbeendoinghavebeenlearninghavebeenlookingEXAMPLEThisistheadventurethatIhavebeendreamingof.Page38Thelastbutoneline:“…wehavebeenmanagingtosurvive…”Page39Line2:“Wehavebeenstrugglingfordays…”

Lookatthesentenceinthepresentperfectcontinuoustense.Findmoreexamplesfromtheprevioustextanddiscussthefunctionofthetense.PastPresentFutureHeisvisitingthedoctor.Theuseofthepresentperfectcontinuoustense.have/has

been+v-ingWeusepresentperfectcontinuoustenseforactionsthatstartedinthepastandcontinueinthepresent.PastPresentFutureTheuseofthepresentperfectcontinuoustense.have/has

been+v-ingWeusepresentperfectcontinuoustenseforactionsthatstartedinthepastandhavejustfinishedbuthaveconsequencesinthepresent.2.现在完成进行时的用法1）表示过去发生并持续到现在的动作HowlonghaveyoubeenlearningEnglish?ShehasbeenburningthemidnightoiltoprepareforGRErecently.Tomhasbeenplayingtheonlinegamesformorethantwentyhours.Hisbrotherhasbeenwritingthisnovelsincelastyear.2）表示到目前为止的一段时间内重复进行的活动Ihavebeentellingyounottomaketrouble.Theoldmanhasbeenrepairingcarsforthirtyyears.

JackhasbeenpractisingTaiChiformorethanayear.（3）表示根据直接或间接的证据而得出结论Hiseyesarered.Hehasbeenworkingtoohardrecently.—Ihavegotaheadache.—Nowonder.Youhavebeenworkinginfrontofthatcomputertoolong.—I’msureAndrewwillwinfirstprizeinthefinal.—Ithinkso.Hehasbeenpreparingforitformonths.（4）表达某种感情色彩:现在完成进行时有时带有强烈的表扬或厌恶等感情色彩。We’vebeenlookingforwardtooursummervacation.Toomuchhasbeenhappeningtoday. 学法点拨以下几类动词不能用于现在完成进行时：①表示感官、感觉：see，hear，smell等；②表示爱憎：love，prefer，mind等；③表示希望、意愿：wish，want，desire等；④表示相信、猜想：believe，think，suppose等；⑤非延续性动词。3.现在完成进行时与现在完成时的区别（1）现在完成时强调完成和影响，现在完成进行时强调未完成和动作。I’vebeendoingmyhomework.我一直在做家庭作业。（还在做）I’vefinishedmyhomework.我已做完家庭作业了。（已完成）（2）现在完成时经常表单个事件，现在完成进行时可表重复事件。Juliahasgonetothelibrary.朱莉娅去图书馆了。（单个事件）Juliahasbeengoingtothelibraryforayear.朱莉娅在一年间经常去图书馆。（重复事件）（3）现在完成时通常只陈述事实，而现在完成进行时含感情色彩。Whathaveyoudone?你做什么了？（仅是问问）Wherehaveyoubeen?Ihavebeenwaitingforyouintherainfortwohours.你去哪里了？我在雨中等了你两个小时。（表示不满）（4）表重复时，现在完成时强调成果，讲次数；现在完成进行时强调持续，不讲次数。Ihavesentthirtye-mailsthismorning.Ihavebeensendinge-mailsthismorning.（5）不用于进行时态的动词通常也不用于现在完成进行时，但它们可以用于现在完成时。Thewarhaslastedforalongtime.（6）现在完成进行时不用于被动语态。若要用，可用现在完成时的被动语态代替。Thehousehasbeenpaintedforamonth.单句语法填空（1）It

（rain）everydaythismonth.（2）Sofarthisyearwe

（see）afallinhousepricesbybetween5and10percent.（3）I

（drink）fivecupsofcoffeethisafternoon.（4）Nowthatsheisoutofwork，Lucy

______

（think）aboutgoingbacktoschool，butshehasn’tdecidedyet.（5）HeisthemostcreativemanthatI

（meet）.（6）Alltheseyearswe

（try）togetintouchwithhim.（7）We

________

（已经打扫了房屋）（8）Sincethatunfortunateaccidentlastweek，I

______________________

（一直睡得不好）.（9）She

（一直睡）for6hoursandstillcan’twakeup.hasbeenraininghaveseenhavedrunkhasbeenthinking

havemethavebeentryinghavecleanedthehousehaven’tbeensleepingwellhasbeensleeping1.—Youareagreatswimmer.—Thanks.It’sbecauseI_______alotthesedays.A.havebeenpractisingB.waspractisingC.wouldpractiseD.hadpracticed(2020天津)A2.Itdoesn’timpresslikeGeorgeWashington’splantationonthePotomac,butLincoln’shomeindowntownSpringfield,Illinois,______________________(prove)irresistibletovisitorssinceitopenedtothepublic.(2021浙江语法填空)hasproved/hasproven3.Thenumberofmedicalschoolsreached18intheearly1990sand______aroundthatleveleversince.A.areremaining B.haveremainedC.isremainingD.hasremained(2020年天津卷)DReadeachsituationandrewriteeachasentenceusingthepresentperfectcontinuoustense.1.Thedogstartedtobarkabouttwohoursago.Ireallyhopeitwillstopsoon.Thedoghasbeenbarkingforabouttwohours.Ireallyhopeitwillstopsoon.v.吠叫2.Stevestartedtoplayrugbyattheageofeight.Nowhehasbecomeaprofessionalplayer.____________________________________________________________________________________________________n.橄榄球运动Stevehasbeenplayingrugbysincetheageofeight.Nowhehasbecomeaprofessionalplayer.adj.潮湿的3.Timmyisholdingatabletennisbatandhisshorthairisdampwithsweat.Helooksalittletiredafterplayingtabletennisfortwohours._________________________________________________________________________________________________________________________________________________________Timmyisholdingatabletennisbatandhisshorthairisdampwithsweat.Helooksalittletiredbecausehehasbeenplayingtabletennisfortwohours.n.球拍4.Dianehasn’tgotmuchsleepthisweek.Shelooksterribletoday.________________________________________________________________________________________________________5.Itriedtophoneyouthismorning.ImusthavetriedadozentimesbeforeIcaughtyouhere.________________________________________________________________________________________________________Dianehasn’tbeensleepingwellthisweek.Shelooksterribletoday.Ihavebeentryingtophoneyouthismorning.ImusthavetriedadozentimesbeforeIcaughtyouhere.Completethesentencesbelowusingthecorrecttensesoftheverbsinbrackets.Thenexplainyourreasonstoyourpartner.1.Forthewholemorning,theboardofdirectors_________________(discuss)theresolutiontoincreasewagesinthecomingyear.

2.Jason’sonlyrecreationispainting.He_________________(learn)howtopaintforoverfiveyears.hasbeendiscussingn.娱乐；消遣hasbeenlearni