新概念英语-第二册18课.ppt

Letsplayaguessinggame(animals)They like eating bamboos,the color They like eating bamboos,the color of them are black and white.of them are black and white.pandapandaTheyarethesymbolsofAustralia,andtheyusuallyputtheirbabiesinfrontofthepocket.kangarookangarooIhaveaverylongneckandlegs.Icaneattheleavesontopofthetree.giraffelordvillagepub乡村小酒店bill 账单、纸币 pay the bill=settle the bill 付账landlord店主1、Wheredidthewriterleaveherhandbag?2、Whycouldntshepaythebill?3、Whathadhappenedtoherhandbag?Onachairbesidethedoor.Becauseherbagwasntthere.Thedoghadtakenitintothegarden.1、我在一家乡村、我在一家乡村小酒店小酒店吃过午饭后，就找吃过午饭后，就找我的提包我的提包。After I had had lunch at a village pub,I looked for my bag.2、我曾把它放在、我曾把它放在门边门边的椅子上，可这会儿不见了！的椅子上，可这会儿不见了！Ihadleftitonachairbesidethedoorandnowitwasntthere!3、当我正在寻找时，、当我正在寻找时，酒店老板酒店老板走了进来。走了进来。As I was looking for it,the landlord came in.4、“您吃得好吗？您吃得好吗？”他问。他问。Did you have a good meal?he asked.5、“很好，谢谢。很好，谢谢。”我回答，我回答，“但我付不但我付不了帐了帐，我的提包没，我的提包没有了。有了。Yes,thank you,I answered,but I cant pay the bill.I havent got my bag.6、酒店老板笑了笑，马上走了出去。The landlord smiled and immediately went out.7、一会儿工夫他拿着我的提包回来了，把它还给了我。In a few minutes he returned with my bag and gave it back to me.8、“实在抱歉，”他说，“我的狗把它弄到花园里去了，他常干这种事！”Im very sorry,he said.My dog had taken in into the garden.He often does this!现在完成时：表示过去某时发生的某一动作对现在造成的影响或结果。Ihavefinishedreadingthebook.我已经已经读完这本书了。Ihavehadsupper.Haveyouhadsupper?表示动作从过去已经开始持续到现在，并且还有可能继续持续下去。Ihavelivedherefortwoyears.我已经住在这里2年了。have/has+过去分词过去分词had+过去分词过去分词表示过去的时间或动作之前发生的动作，先发生的动作用过去完成时，后发生的表示过去的时间或动作之前发生的动作，先发生的动作用过去完成时，后发生的动作用一般过去时。动作用一般过去时。Afterhehadfinishedhiswork，hewentout.过去分词的构成：1.规则动词的变化：a)一般情况下在动词后面加edwork-workedplay-playedb)以e结尾的动词直接加duse-usedrefuse-refusedc)以辅音字母加y结尾的动词，把y改i再加edstudy-studiedcarry-carriedd)以重读闭音节结尾的，前面有单个元音字母时，双写辅音字母，再加edstop-stoppeddrop-dropped过去分词的构成：2.不规则动词的变化1)AAAput-put-putread-read-read2)ABAcome-came-comerun-ran-runbecome-became-become3)ABBsit-sat-satsay-said-said4)ABCsing-sang-sungdrink-drank-drunktake-took-taken构成：助动词构成：助动词had+动词的过去分动词的过去分词（词（V.pp)在强调过去某一个动作发生在另一个动作前常常用在强调过去某一个动作发生在另一个动作前常常用过去完成时态。过去完成时态。1.他说他以前见过你。他说他以前见过你。He said that he _(see)you before.had seen2.到六点钟为止他们已经工作八小时了。到六点钟为止他们已经工作八小时了。By six oclock they _(work)for eight hours.had worked2.过去完成时词可以表示过去某一过去完成时词可以表示过去某一时刻之前发生的动作或呈现的状态，时刻之前发生的动作或呈现的状态，这一动作一直持续这一动作一直持续 或将继续下去。或将继续下去。By six oclock they _(work)for eight hours.When I came to GZ,he _(be)there for a long time.1.到了六点钟为止，他们已经工作了八小时了。到了六点钟为止，他们已经工作了八小时了。2.我到广州时，他在那里很长时间了。我到广州时，他在那里很长时间了。had workedhad been3.到上个月中旬我们在北京住了有五年时间了。到上个月中旬我们在北京住了有五年时间了。By the middle of last month we _(live)in Beijing for five years.had lived1.到昨晚上，他已写完那封信。到昨晚上，他已写完那封信。Byyesterdayeveninghe_(write)thatletter.2.他说他以前见过你。他说他以前见过你。Hesaidthathe_(see)youbefore.3.当我进来时，他已做完了作业。当我进来时，他已做完了作业。WhenIcameinhe_(finish)hishomework.过去完成时与过去完成时与 by then(截止到那时截止到那时);by 9 oclock(直到九点钟直到九点钟)by the end of(在在结束结束/末之前末之前);by the time(在在时之前时之前);up till then(直到那直到那时时);up until last night(直到昨晚）等连用，表示过去的过去。直到昨晚）等连用，表示过去的过去。had writtenhad seenhad finished3.过去完成时和过去完成时和 already,just,ever,yet 等连用表示过去的过等连用表示过去的过去。去。例如：例如：1.他告诉我说他们队已经赢了。他告诉我说他们队已经赢了。He told me that his team _ already _(win).hadwon2.她说她仍没去过长城。她说她仍没去过长城。She said that she _(not go to)the Great Wall yet.hadnt been to过去完成时与过去完成时与when,before,as soon as,till/until 等引导时间状语的从句连等引导时间状语的从句连用，强调动作发生的时间前后。用，强调动作发生的时间前后。例如：例如：1.她到家之前她的孩子已经睡着了。她到家之前她的孩子已经睡着了。When she got home her children _(sleep).had slept2.在他们到达之前电影已经开始了。在他们到达之前电影已经开始了。Before they arrived here the film _ already _(start).hadstartedLast night,as soon as I _(finish)my work I went to sleep.3.我完成作业了就去睡觉了。我完成作业了就去睡觉了。had finished合并句子：1.(After)Shewrotetheletter.Shewenttothepostoffice.Aftershehadwrittentheletter,shewenttothepostoffice.2.(After)Hehaddinner.Hewenttothecinema.Afterhehadhaddinner,hewenttothecinema.3.(When)Ifastenedmyseatbelt.Theplanetookoff.WhenIhadfastenedmyseatbelt,theplanetookoff.4.Wedidnotdisturbhim.(until)Hefinishedwork.Wedidnotdisturbhimuntilhehadfinishedwork.5.(Assoonas)Helefttheroom.Iturnedontheradio.Assoonashehadlefttheroom,Iturnedontheradio.6.Hewasveryill.(before)Hedied.Hehadbeenveryillbeforehedied.用动词的适当形式填空1.We_(paint)thehousebeforewe_(move)in.2.Thatricholdman_(make)awillbeforehe_(die).3.They_(study)themapofthecountrybeforethey_(leave).4.Therobbers_(runaway)beforethepolicemen_(arrive).5.I_(turnoff)allthelightsbeforeI_(go)tobed.6.Paul_(go)outwithJaneafterhe_(make)aphonecall.7.Tom_(say)he_(read)thebooktwice.8.Hesaidhe_already_(give)thebooktotheteacher.had paintedmovedhad madediedhad studiedlefthad run awayarrivedhad turned offwentwenthad madesaidhad readhadgiven