英语：过去完成时态ppt课件.ppt

,Welcome to our class!,By Liu Yigui2012.10,Revision:一般过去式的用法,1）一般过去时表示过去某个时间发生的动作或状态，常和表示过去的时间连用，yesterday, last night, in 1990, two days ago，just now,at that time等。,2）也表示过去经常或反复发生的动作，常和often, always等表示频度的时间状语连用。,构成：主语+谓语（动词的一般过去式）+其他,( )1 your father at work the dayyesterday(前天） A Was; before B Is; before C Was; after D Is; after,( )2 The twinsin Dalian last year Theyhere now A are; were B were; are C was; are D were; was,过去完成时态,Past perfect Tense,教学重、难点：,过去完成时的的巩固及运用。2. 过去分词的构成。3.与现在完成时的区别,过去完成时可以表示过去某一时刻 或某一动作之前完成的动作或呈现 的状态。也就是说发生在“过去的 过去”。,定义：,构成：had过去分词,6:00 7:00 现在,By the time I got up, my sister had already washed all the clothes.,1.我到家时她已经睡了。,By the time I got home, she had already gone to bed.,2.到昨天晚上时消息已传遍全球。,By yesterday evening the news had spread through the world.,3.他走以后我找到了那封信。,I found the letter after he had gone away.,We reached the cinema late. The film had already been on for ten minutes.,4.我们到电影院晚了,电影已经开始十分钟了。,过去分词的构成：,1. 规则动词的变化 (regular verbs )：,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,过去完成时的构成：由助动词had + 动词的过去分词（V.pp),admit - admitted,beg-begged,drop; prefer; plan;,常用的时间状语等标志词：,1、by, before, when, by the time等构成的短语或引导的从句。,Eg. 1)By the time she came to the bus stop, the bus had already gone.,2) We had finished the task before last midnight,3) When I arrived at the post office, I found that I had left the letter at home,4) After I had finished my homework, I went to bed.,3、 从过去开始， 一直持续到过去的另一时间的动作、状态。常用since，for.Eg. She said that she had learned English for years since he came to our school注意：瞬间动词不能和一段时间状语，及since, for 引导的从句和短语连用。,2、 由said, told, knew, heard, thought 等引导的宾语从句中。Eg. He told me that he had heard of it. I thought my homework had been fininshed. But I didnt.,构成：had过去分词,否定式：,主语+hadnt+p.p.+.,疑问式：,Had+主语+p.p.+?,肯定答语：,Yes, 主语+had,否定答语：,No， 主语+hadnt,肯定式：主语+had+p.p.+.,构成：had过去分词,1：I had learnt 5000 English words by the end of last week. 2：I hadnt learnt 5000 English words by the end of last week.3：Had you learnt 5000 English words by the end of last week ?4：How many English word had you learnt by the end of last week ?,The thief had run away before the police arrived.We had learnt 3 Chapters by the end of yesterday.Henry had stayed in bed for a week before he went to school yesterday.,The thief hadnt run away before the police arrived.,Had the thief run away before the police arrived ?,Who had run away before the police arrived ?,We hadnt learnt 3 chapters by the end of yesterday.,Had you learnt 3 chapters by the end of yesterday ?,What had you learnt by the end of yesterday ?,Henry hadnt stayed in bed for a week before he ,Had Henry stayed in bed for a week before he went to school yesterday ?,How long had Henry stayed in bed before he went to school yesterday ?,现在完成时和过去完成时的区别：The differences between Present Perfect tense and Past Perfect tense.,现在完成时: 主语 + have / has done过去完成时: 主语 + had done,过去的过去 过去 现在,now,past,现在完成时,过去完成时,time,time,历届高考真题：,1：How long _ you _in the countryside before you came to our school?(2004年湖南对口招生）A:hadtaughtB:havetaughtC:did.teachD: areteaching,2： How long _ you _the army before you came to our company?(2006年湖南对口招生） A: did.join B: have .joined C: hadbeen in D: havebeen in,3：The football match on TV _ for half an hour. (2008年湖南对口招生） A:has begun B:has been on C: began D:is begining,4:A moment ago, a policeman told me that he _ my stolen motorbike in a village. (2009年湖南对口招生） A:has found B:had found C: was finding D: will find,5:When Jack arrived ,he learned Mary _ for almost an hour(全国对口招生） A; had gone B: had set off C: had left D: had been away,分析：答案选 D。因为上大学是过去，学了五千个英语单词是在上大学之前，即“过去的过去”，所以用过去完成时。,6:He _more than 5,000 English words when he entered the university at the age of 15. (2005北京卷)has learned B. would have learned C. learned D. had learned,分析：答案选 D。根据“我没见到他”可知，“在我到达”前“父亲已经去伦敦”了，即父亲去伦敦发生在“过去的过去”，故用过去完成时。,7. Father _for London on business upon my arrival, so I didnt see him. (2005福建卷)has left B. left C. was leaving D. had left,Can you do it?,By yesterday morning, he _(call) me ten times.The patient _(die) when the doctor arrived.I saw Lin Feng yesterday. We _(not meet) each other for five years.,had called,had died,had not met,4. I returned the book that I_(borrow).5. He said that he _(know) her well.6. The match _(be) on for half an hour.7. The match _(be) on for half an hour when I got there.8. They _(do) the work at 11 oclock yesterday morning.,had borrowed,had known,has been,had been,did,9. They _(do) the work by 11 oclock yesterday morning.10. The pop singers _(leave) when I got to the music hall last night. What a pity!11. How clean the room is today! Oh, yes! Who _(clean) it?,had done,had left,cleaned,12.What were you doing when Jim phoned you? I _(finish) my homework and was starting to take a shower.13. Have you ever been to Guilin? Yes. I _(go) there four months ago.,had finished,went,Thank you !,See you next time!,