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ID:41591561
大小:63.95 KB
页数:4页
时间:2019-08-28
《548正反比例应用题对比练习课》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、过去完成时的复习教学目标:复习过去完成吋的概念及运用教学难点:过去完成时的实际运用一.概念过去完成时把时间推移到过去某一时间Z前,与现在不发生联系,由“had+-ed分词”构成.它的主要用法有三个,即'•已完成用法",'•未完成用法"和”虚拟用法'•.(1)已完成用法表示一个动作或状态在过去某一时间或动作之前已经发生或完成.如:Tomflewhome,buthisfatherhaddied.(2)未完成用法表示一个动作或状态在过去某一时间或动作之前已经开始,一直延续到这-过去吋I、可,而且到那吋还未结束,仍有继续下去的可能性.女U:Bysixo'clocktheyha
2、dworkedtwelvehours.(3)虚拟用法表示主观愿望和过去事实相反的,非真实的假设虚拟情况.如:Youdidn'tletmedrive.Ifweinturn,yousotired.A.drove;didn'tgetB.drove;wouldn'tgetC.weredriving;wouldn'tgetD.haddriven;wouldn'thavegot(Key:D)二.用法A.已完成用法1•uby+过去某一时间°连用,意为n到……为止””在……之前n,表示在过去某一时刻或动作以前完成了得动作.如:Wehadgoteverythingreadybythet
3、imetheyarrived.[练习]根据汉语提示完成句子:(到他14岁时),he(建立)hisownchemicallab.(Key:Bythetimehewas14;hadbuilt)(在比赛临结束Z前),they(踢进了)twogoalsandwe(踢进了)foui*.(Key:Bytheendofthematch/Beforethematchnearlyended;hadkicked;hadkicked)Bythetimethenewpupilenoughcouragetoraisehishand,thebellfortheendofthelesson.A.h
4、adgathered;wasalreadyringingB.wasgathering;hadalreadyrungC.gathered;alreadyrangD.wouldrather;wouldalreadyhaverung(key:A)2.也常用when,before等引导的时间状语从句作为发生的时间先后对比,即主句动作发生在从句动作之前,这时主句用过去完成时,从句常用一般过去时.Hehadonlyjustreachedhomewhenamancalledtoseehim.他刚到家就有人找他.(when在此有“突然"之意).Ihadnotgonemuchfathe
5、rbeforeIcaughtthemup•我没有走多远就赶上他们了.[练习]Tomwasdisappointed(失望的)thatmostoftheguestswhenheattheparty.A.1eft;hadarrivedB・1eft;arrivedC.hadleft;hadarrivedD.hadleft;arrived(key:D)—Howlongeachotherbeforetheymarried?—Aboutayear.A.havetheyknown;getB.didtheyknow;weregoingtogetC.dotheyknow;aregoing
6、togetD.hadtheyknown;got(key:D)3.常与fore,since,until,when等构成的吋间状语(从句)连用,表示由过去某一吋刻开始,一直延续到过去另一时间的动作或状态.UntilthenIhadknownnothingabouti匸那时以前我对其一无所知.IhadonlybeenthereforfiveminuteswhenJohnwalkedin.我在那里仅呆了五分钟,约翰就进来了.[练习]Shetoldmethatshe(be)illsinceshe(come)backfromtheseaside・(key:hadbeen;came
7、)4.过去完成吋常用在宾语从句(或间接引语)中。这吋从句中的动作发生在主句表示的过去的动作之前。如:Thepolicefoundthatthehouseandalotofthings.A.hasbrokeninto;hasbeenstolenB.hadbrokeninto;hadbeenstolenC.hasbeenbrokeninto;stolenD・hadbeenbrokeninto;stolen(key:D)ThepenIIisonmydesk,rightundermynose・A.think;lostB.thought;hadlostC.th
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