新概念英语 第二册18课ppt课件.ppt

,Lesson18He often does this！,Lets play a guessing game(animals),They like eating bamboos,the color of them are black and white.,panda,They are the symbols of Australia,and they usually put their babies in front of the pocket.,kangaroo,I have a very long neck and legs.I can eat the leaves on top of the tree.,giraffe,Lesson18He often does this！,lord,village pub 乡村小酒店,bill 账单、纸币 pay the bill=settle the bill 付账,landlord 店主,1、Where did the writer leave her handbag?2、Why couldnt she pay the bill?3、What had happened to her handbag?,On a chair beside the door.,Because her bag wasnt there.,The dog had taken it into the garden.,1、我在一家乡村小酒店吃过午饭后，就找我的提包。,After I had had lunch at a village pub,I looked for my bag.,2、我曾把它放在门边的椅子上，可这会儿不见了！,I had left it on a chair beside the door and now it wasnt there!,3、当我正在寻找时，酒店老板走了进来。,As I was looking for it,the landlord came in.,4、“您吃得好吗？”他问。,Did you have a good meal?he asked.,5、“很好，谢谢。”我回答，“但我付不了帐，我的提包没有了。,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。I have finished reading the book.我已经读完这本书了。I have had supper.Have you had supper?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。I have lived here for two years.我已经住在这里2年了。,have/has+过去分词,过去完成时：,had+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，后发生的动作用一般过去时。,After he had finished his work，he went out.,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 ed,work-worked,play-played,b)以 e 结尾的动词直接加 d,use-used,refuse-refused,c)以辅音字母加 y 结尾的动词，把 y 改 i 再加 ed,study-studied,carry-carried,d)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 ed,stop-stopped,drop-dropped,过去分词的构成：,2.不规则动词的变化,1)AAA put-put-put read-read-read,ABA come-came-come run-ran-run become-became-become,3)ABB sit-sat-sat say-said-said,ABC sing-sang-sung drink-drank-drunk take-took-taken,构成：助动词had+动词的过去分词（V.pp),过去完成时：,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。,1.他说他以前见过你。,He said that he _(see)you before.,had seen,2.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 worked,2.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，这一动作一直持续 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。,2.我到广州时，他在那里很长时间了。,had worked,had been,3.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 lived,1.到昨晚上，他已写完那封信。,By yesterday evening he _(write)that letter.,2.他说他以前见过你。,He said that he _(see)you before.,3.当我进来时，他已做完了作业。,When I came in he _(finish)his homework.,过去完成时与 by then(截止到那时);by 9 oclock(直到九点钟)by the end of(在结束/末之前);by the time(在时之前);up till then(直到那时);up until last night(直到昨晚）等连用，表示过去的过去。,had written,had seen,had finished,3.过去完成时和 already,just,ever,yet 等连用表示过去的过去。,例如：1.他告诉我说他们队已经赢了。,He told me that his team _ already _(win).,had,won,2.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when,before,as soon as,till/until 等引导时间状语的从句连用，强调动作发生的时间前后。,例如：1.她到家之前她的孩子已经睡着了。,When she got home her children _(sleep).,had slept,2.在他们到达之前电影已经开始了。,Before they arrived here the film _ already _(start).,had,started,Last night,as soon as I _(finish)my work I went to sleep.,3.我完成作业了就去睡觉了。,had finished,合并句子：1.(After)She wrote the letter.She went to the post office.After she had written the letter,she went to the post office.2.(After)He had dinner.He went to the cinema.After he had had dinner,he went to the cinema.3.(When)I fastened my seat belt.The plane took off.When I had fastened my seat belt,the plane took off.4.We did not disturb him.(until)He finished work.We did not disturb him until he had finished work.5.(As soon as)He left the room.I turned on the radio.As soon as he had left the room,I turned on the radio.6.He was very ill.(before)He died.He had been very ill before he died.,用动词的适当形式填空1.We _(paint)the house before we _(move)in.2.That rich old man _(make)a will before he_(die).3.They _(study)the map of the country before they _(leave).4.The robbers _(run away)before the policemen _(arrive).5.I _(turn off)all the lights before I _(go)to bed.6.Paul _(go)out with Jane after he _(make)a phone call.7.Tom _(say)he _(read)the book twice.8.He said he _already_(give)the book to the teacher.,had painted,moved,had made,died,had studied,left,had run away,arrived,had turned off,went,went,had made,said,had read,had,given,