Unit4LearningaboutLanguage语法课件高中英语人教版选择性

DiscoveringUsefulStructuresThePresentPerfectContinuoustenseUnit4AdversityandCourage现在完成进行时的魅力Doyouknowmanypeopledon’tgiveuptheiroriginaldreamswhentheyareinadversity?Theyhavebeenfightingagainstmanychallengesandhavebeenworkinghardtostrugglefortheirdreamswithgreatcourage.1Lookatthesentenceinthepresentperfectcontinuoustense.Findmoreexamplesfromtheprevioustextanddiscussthefunctionofthetense.ThisistheadventurethatIhavebeendreamingof.1.Wearenowcampedontheiceandwehavebeenmanagingtosurvive,butspringiscoming,andtheicewillsoonbegintomelt.2.Wehavebeenstrugglingfordays,butthingsonElephantIslandaregoingfrombadtoworse.Weusepresentperfectcontinuoustenseforactionsthatstartedinthepastandcontinueinthepresent.2Readeachsituationandrewriteeachsentenceusingthepresentperfectcontinuoustense.1.Thedogstartedtobarkabouttwohoursago.Ireallyhopeitwillstopsoon.Thedoghasbeenbarkingforabouttwohours.Ireallyhopeitwillstopsoon.2.Stevestartedtoplayrugbyattheageofeight.Nowhehasbecomeaprofessionalplayer.Stevehasbeenplayingrugbysinceeight.Nowhehasbecomeaprofessionalplayer.3.Timmyisholdingatabletennisbatandhisshorthairisdampwithsweat.Helooksalittletiredafterplayingtabletennisfortwohours.Timmyisholdingatabletennisbatandhisshorthairisdampwithsweat.Hehasbeenplayingtabletennisfortwohours,sohelooksalittletired.4.Dianehasn’tgotmuchsleepthisweek.Shelooksterribletoday.Dianehasn’tbeensleepingenoughthisweek.Shelooksterribletoday.5.Itriedtophoneyouthismorning.ImusthavetriedadozentimesbeforeIcaughtyouhere.Ihavebeentryingtophoneyouallthismorning.ImusthavetriedadozentimesbeforeIcaughtyouhere.3Completethesentencesbelowusingthecorrecttensesoftheverbsinbrackets.Thenexplainyourreasonstoyourpartner.1.Forthewholemorning,theboardofthedirectors_________________(discuss)theresolutiontoincreasewagesinthecomingyear.2.Jason’sonlyrecreationispainting.He________________(learn)howtopaintforoverfiveyears.3.Eventhoughwelostthegame,weshouldbeproudofourselvesbecausewe_________(try)ourbestand________(work)asateam.hasbeendiscussinghasbeenlearninghadtriedworked4.Hefinally________(finish)theresearchpaperunderhistutor’sguidance.5.MynephewSam_________________(collect)comicbookssincehewasfive.Nowhehasmorethantwohundredofthem.6.Thecompany______________________________________________(launch)anadvertisingcampaigntopromoteitscorporateimage.launched/willlaunch/islaunching/haslaunchedhasbeencollecting3Completethesentencesbelowusingthecorrecttensesoftheverbsinbrackets.Thenexplainyourreasonstoyourpartner.finished什么是现在完成进行时？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...? 现在完成进行时的用法有哪些？1.表示动作从过去某一时间开始一直持续到现在，并有可能持续下去。Hisbrotherhasbeenwritingthisnovelsincelastyear.他哥哥从去年起就一直在写这本小说。I’mverytired.I’vebeenworkingallmorning.我很累，我干了一上午的活了。HowlonghaveyoubeenlearningEnglish?你学习英语多久了？2.表示始于过去，现在刚刚终止，但注重的是结果。Tom’shandsareverydirty.Hehasbeenrepairingthecar.汤姆的手很脏，他一直在修车。3.表示到目前为止的一段时间内重复进行的活动。JackhasbeenpractisingTaiChiformorethanayear.杰克练太极一年多了。4.表示根据直接或间接的证据而得出结论。—Ihavegotaheadache.—Nowonder.Youhavebeenworkinginfrontofthatcomputertoolong.——我头痛。——不足为奇。你在那台电脑前工作太久了。We’ve

beenlookingforwardtooursummervacation.我们一直盼望着暑假。常与allthetime,thisweek/month,allnight,allthemorning/afternoon,recently等时间状语以及由since或for引导的时间状语连用。I’vebeenwritinglettersallthiseveningandI’vejustfinishedthem.Shehasbeenexpectingalongdistancecallallnightlong.5.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。哪些动词不能用于现在完成进行时？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。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，而现在完成进行时却不一定如此，

现在完成进行时强调未完成和动作。I’ve

beendoingmyhomework.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）Ihavelookedforasuitableschoolallaroundthecity.

我已经在市里找了一所合适的学校。（已经不找了）

Ihavebeenlookingforasuitableschoolallaroundthecity.

我一直在全城寻找一所合适的学校。（一直在找）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.现在完成时通常表示反复发生的动作，可用howmanytimes询问动作完成

的次数；现在完成进行时通常表示持续不间断的动作，一般用howlong询

问动作持续的时间。Howmanytimeshaveyouvisitedthemuseum?（强调动作的重复性）Howlonghaveyoubeenworkinginthecompany?

（强调动作的延续性）4.现在完成时通常只陈述事实，平铺直叙，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）IhavestudiedEnglishfor8years.我学英语已经8年了。（陈述客观事实）Henryhasbeendoinghisworkorderly.亨利一直在有条不紊地工作。（含有赞赏表扬的意味）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.这场战争持续了很长时间。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.房子已经粉刷了一个月了。

活学活用完成句子1.We____________________（已经打扫了房屋）.Youmaycomeinnow.2.Sincethatunfortunateaccidentlastweek，I_____________________（一直睡得不好）.3.She_______________（一直睡）for6hoursandstillcan’twakeup.havecleanedthehousehaven’tbeensleepingwellhasbeensleeping