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SectionⅣGrammar单元语法项目(一)——现在完成进行时语法图解探究发现①PeoplehavebeenenjoyingthebenefitsofcyclinginAmsterdamforyears.②Manypeoplearoundtheworldhavebeenenjoyingcitycentrestreetswithoutcarsformanyyears.③Hehasbeenfightingwithafriend.④Ihavebeenlookingforajobforthreemonths.⑤IhavebeenwritinglettersallthiseveningandI'vejustfinishedthem.⑥Youhaven'tbeendoingyourhomeworkthosedays.⑦Toomuchhasbeenhappeningtoday.[我的发现](1)现在完成进行时态的构成:肯定形式___________________(句①~⑤);否定形式_____________________(句⑥)。(2)现在完成进行时表示动作开始于过去,并一直持续到现在,动作可能仍在进行,也可能________(句⑤)。(3)现在完成进行时也可以_________________(句⑦)。have/hasbeendoing刚刚结束带有某种感情色彩have/hasnotbeendoing一、概念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,可能还要继续进行下去。二、结构1.肯定形式:have/has+beendoing(第三人称单数用has,其他人称用have)Ihavebeenwaitingforyou.我一直在等你。2.否定形式:have/has+not+beendoingHehasn'tbeenusingthecarforthelasttwomonth.过去两个月他一直没用车。三、用法1.表示动作从过去某时开始一直持续到说话时还在进行,或可能还要继续下去。通常和“for+时间段”或“since+时间点(或从句)”的时间状语连用。Ithasbeensnowingforthreehours.雪已经下了三个小时了。(从过去某一时间开始下雪,强调到现在还在下)2.表示不久前刚刚结束的动作。这种意义通常根据上下文来判断。—Sorry!I'mlate.Howlonghaveyoubeenwaitingforme?—Wehavebeenwaitingforyouforhalfanhour.——很抱歉,我来迟了。你们等多长时间了?——我们已经等了你半小时了。3.强调动作延续时间的长久或带感情色彩。She'sbeensayingthattwentytimes.这话她已经说了二十遍了。4.表示这段时间反复发生的事情。IhavebeenvisitingsomecitiesofChinathismonth.这个月我一直在访问中国的一些城市。四、不能用现在完成进行时的情况1.某些不能用于进行时的动词同样也不能用于现在完成进行时,只能用现在完成时。如see,hear,know,have,like,be等。他已经感冒两个星期了。(×)Hehasbeenhavingacoldfortwoweeks.(√)Hehashadacoldfortwoweeks.2.不具有延续意义的动词。如finish,come,go,marry等不能用于现在完成进行时。即时演练完成句子①她工作一直很努力。She___________________________.②她的眼睛红红的,显然哭了很长时间。Hereyesarered.It'sobviousthatshe______________foralongtime.③从上星期天开始就一直下雪。_________________sincelastSunday.hasalwaysbeenworkinghardhasbeencryingIthasbeensnowing④你的衣服满是灰尘,我想你刚才在打扫教室吧。Yourclothesarecoveredwithdust.You_____________________________,Ithink.⑤自从2016年以来,我姐姐一直在学英语。Mysister______________________since2016.havebeencleaningtheclassroomhasbeenlearningEnglishⅠ.用所给词的适当形式填空1.(2016·江苏高考改编)Dashan,who________________(learn)crosstalk,theChinesecomedictradition,fordecades,wantstomixitupwiththeWesternstanduptradition.2.Mymother_______________(cook)thewholeafternoon.3.It's10o'clock.____________________(play)footballallday?4.What____you__________(do)sincewelastmet?hasbeenlearninghasbeencookingHaveyoubeenplayinghavebeendoing5.Thepaperboat________________(float)onthewaterfortwohours.6.He__________________(live)theresince2016.7.Wherehaveyoubeen?We________________(look)foryoueverywhere.8.We___________(not,see)eachotherforalongtime.hasbeenfloatinghasbeenliving/livedhavebeenlookinghavenotseenⅡ.单句写作1.(2015·四川高考满分作文)Tostartwith,I_____________________________(一直在学习和说)Mandarinforabout17years.2.(2015·重庆高考满分作文)Thankyouforallyou______________(一直在做).Iamlookingforwardtoyourreply.3.(2014·全国卷Ⅱ满分作文)Suchwillbemyfuturelife,oneI___________________(一直梦想的).havebeenlearningandspeakinghavebeendoinghavebeendreamingof4.(2014·广东高考满分作文)RichardAvis,aBritishwhowasbornonDecember1st,1974,__________________(一直在寻找)timetwinsintheworldsince2011inordertoknowaboutdifferentmeaningsofsuccessfullifeindifferentcultures.5.(2014·四川高考标准范文)Asasciencestudent,________________________(一直在复习汉语),math,English,physics,chemistryandbiology,whichallbelongtothecollegeentranceexaminationsubjects.hasbeenlookingforI'vebeenreviewingChinese单元语法项目(二)——现在完成时和现在完成进行时语法图解探究发现①Theyhavereachedspeedsofnearly80k.p.h.②SolarracershavebeencomingtoAustraliaforyearsfortheWorldSolarCarChallenge.③Peoplehavebeenworriedaboutpollutioncausedbyfuelslikepetrolandgasforalongtimenow.④I'vebeeninterestedincarssincekindergarten.⑤I'vebeentakingpartinracesforaboutfouryears.⑥Whathaveyoubeendoingrecently?⑦Hehasbeenstandingtherefortwohours.[我的发现](1)现在完成时强调动作已经____,如句①。而现在完成进行时表示动作______,强调动作还在持续或反复中,如句②⑤⑥。(2)现在完成时既可以是动作动词也可以是状态动词,如句③④,而现在完成进行时只能用____动词。(3)现在完成时不能表示________,而现在完成进行时可以,如句⑦。完成未完成动作感情色彩一、基本用法1.现在完成时由“have/has+过去分词”构成。表示过去所发生的动作或事情对现在造成的影响或结果。2.现在完成进行时由“have/hasbeen+现在分词”构成。表示某一动作在过去某一时间发生,一直延续到现在,有可能到此为止,也有可能继续下去。现在完成进行时是兼有现在完成时和现在进行时两者基本特点的时态。二、区别1.现在完成时常表示过去发生的动作对现在的影响,强调动作已完成;而现在完成进行时强调动作仍然在继续或动作的重复性。Hehaswrittenaletter.他写了一封信。(已经写好)Hehasbeenwritingaletter.他一直在写一封信。(仍在写)2.现在完成时强调“结果”;而现在完成进行时强调“动作”,有时还含有喜悦、愤怒、不满、厌恶等感情色彩。Ihavewaitedforyoufortwohours.我已经等了你两个小时。(说明一个结果)Ihavebeenwaitingforyoufortwohours.我一直等了你两个小时。(强调动作的持续性或不满意)3.不可用于进行时的动词,不能用于现在完成进行时,但却可以用于现在完成时。最近我没有见过他。Ihaven'tbeenseeinghimrecently.(×)Ihaven'tseenhimthesedays.(√)4.一些表示静态的动词往往用现在完成进行时。这样的静态动词主要有lie,stand,sit,wait等。Shehasbeenlyinginbedforaweek.她已经卧床一周了。即时演练用所给词的适当形式填空①Althoughmanymeasures_______________(take),theworld'seconomyisstillgoingdown.②Youshouldgotobed.You_________________(watch)TVfor5hours.③I_________________(clean)thewindowssincethismorning.havebeentakenhavebeenwatchinghavebeencleaning④Sorry,butMr.Smith_______(leave)forBeijing.⑤Thelittleboyisdirtyfromheadtofootbecausehe______________(play)inthemudallmorning.⑥Bythetimeherealizeshe___________(walk)intoatrap,it'llbetoolateforhimtodoanythingaboutit.haslefthasbeenplayinghaswalkedⅠ.用所给词的适当形式填空1.I________(cut)upallthemeat.WhatshallIdonow?2.She______________(cut)upmagazinesforacollage(拼贴画)
本文标题:2019-2020学年高中英语 Unit 9 Wheels Section Ⅳ Grammar课件
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