(共26张PPT)
Food and Culture
Unit 3
Discovering useful structures
1
2
3
4
过去完成时的定义
过去完成时的构成
过去完成时的用法
过去完成时的被动语态
CONTENTS
过去完成时和现在完成时的区别
PART 1
过去完成时的定义
定义
表示在过去某一时间或事件之前已经完成的动作或已经存在的状态。
The chef had set up a farm-to-table restaurant before his new cookbook was published.
The media reported that these companies had treated pollution as a hot potato.
动作已经完成
事件已经存在
使用had done表明该动作发生在“过去的过去”,通常有一般过去时的动作或者过去的时间词作为参照。
The Past Perfect Tense
定义
过去
过去的过去
现在
先发生的动作用过去完成时,后发生的动作用一般过去时。
The film had begun before we got to the cinema.
had begun
got
PART 2
过去完成时的构成
构成
过去完成时的基本结构:had done 被动结构:had been done
肯定结构 had+(been) done
否定结构 had+not+(been)done
一般疑问结构 had+主语+(been) done
特殊疑问结构 特殊疑问词+had+主语+(been) done
构成
1.主动语态
He had handled the problem by 9∶00 this morning.(肯定形式)
He had not handled the problem by 9∶ 00 this morning.(否定形式)
Had he handled the problem by 9∶00 this morning?(一般疑问句)
Who had handled the problem by 9∶00 this morning?(特殊疑问句)
2.被动语态
The bedroom had been cleaned before her mother came.(肯定形式)
The bedroom had not been cleaned before her mother came.(否定形式)
Had the bedroom been cleaned before her mother came?(一般疑问句)
What had been cleaned before her mother came?(特殊疑问句)
PART 3
过去完成时的用法
用法
1. We had painted the house before we moved in.
2. I had finished reading the novel by nine o’clock last night.
3. They had completed the project by the end of last year.
before(连词/介词) + 过去的时间点 “在...之前”
by +过去的时间点 “到...为止”
by the end of +过去的时间点 “到...为止”
by the time +(一般过去时) “到...为止”
1. 过去完成时的标志词:
用法
My father asked me if I had finished reading that book.
The lady showed me the pictures she had painted.
I began the work after he had gone.
①用于宾语从句中
主句为过去时,从句动作发生在主句之前,用过去完成时。
2. 过去的时间有时由一时间状语表示出来,但在更多的情况下时间都
由上下文表示出来。判断标准是先找出“过去”的参照动作。
②用于时间状语从句中
After Monica had sung her song, she sat down quietly beside her mum.
I didn’t start my work until he had already gone.
When I arrived at the station, the train had already left.
Practice
I ____________(finish) reading the novel by nine O'clock last night.
We _____________(learn) over two thousand English words by the end of last term.
They _____________(plant) six hundred trees before last Wednesday.
They ___________(leave) before we arrived at the school.
Breakfast ___________________(serve) by the time I got up.
After he _____________ (finish) his homework, he went to bed.
Tom realized a mistake _______________(make)by her.
had finished
had learned
had planted
had left
had been served
had finished
had been made
特殊用法
1. I had intended to visit him yesterday but I wasn’t able to make it.
2. He had wished to become a doctor, but he studied law at college.
3. They had wanted to help but could not get there in time.
4. They had planned to see us off at the airport.
1. 用于think,want,hope,wish,plan,intend等动词表示过去未曾实现的想法、希望、打算或意图等。
特殊用法
1. It was the first time that he had performed on such a big stage.
2. It was the most inspiring performance(that)I had ever watched.
3. Scarcely had he arrived when he went away again.
4. Hardly had we sat down to supper when the phone rang.
5. No sooner had I walked out than I remembered that I forgot my bag.
2.固定句型:
①It / This / That was + the 序数词 + time + that从句(过去完成时)
②“主语+was/were+the+最高级+名词+定语从句(过去完成时)
③ Hardly / Scarcely ... when ;No sooner ... than
注意:否定词置于句首,需要_______________________。
主句用_______________,从句用_______________。
部分倒装
一般过去时
过去完成时
特殊用法
①用于wish后的宾语从句中,表示对过去未做成的事情的某种感叹或愿望。
I wish I (be) there at that time.
那时候我要在那儿就好了。(事实上我不在那儿。)
I wish I (tell) him about it.
我要是没告诉他那事就好了。(事实上我告诉他了。)
had been
had not told
② 用于对过去事实进行虚拟的条件句中。
If I___________, I wouldn't have missed the train.
如果我快点的话,我就不会误了火车。
If you _________ at the party, you would have met him.
如果你去了晚会,你就会见到他的。
3.虚拟语气:
had hurried
had been
Practice
1. It was the first time she _________ (leave) her motherland.
2. It is the first time (that) I _____________ (speak) in public.
3. This ___ (be) the first time I had seen Dad so furious.
4. Hardly _____ (have) the boy spoken these words when the warden hit him on the head with the soup spoon.
5.It was the best coffee I ___________(taste).
6. I _____________visiting him this weekend but I wasn’t able to make it.
7. I _____________to return early but they wouldn’t let us go.
had left
have spoken
was
had tasted
had
had intended
had thought
Practice
1. The tickets _______________ (sell) out before I came to the cinema.
2. By the end of last year, we _______________ (produce) 20,000 cars.
3. It was the first time (that) I _____________ (speak) in public.
4. We ____________ (wish) that you would be able to visit us.
5. He said that great changes __________________ (take place) in his hometown since 1990.
6. The train _________ (leave) before we reached the station.
7. 100 tractors __________________ (produce) by the end of last year.
8. He _____________ (intend) to catch the 8: 00 bus, but found it gone.
9. It was three years since Jane ____________________ (appoint) as the director.
10. I didn’t want to see the movie because I __________ (see) it already.
had been sold
had produced
had spoken
had wished
had taken place
had left
had been produced
had intended
had been appointed
had seen
Practice
1. ________________when she heard someone knocking at the door.
她刚坐下就听见有人在敲门
2. We _________________________in Guangzhou, but it proved to be a dream.
我们本来打算在广州买房,但最后只是一场梦。
3. It was the first time she ________________________________.
这是她第一次离开她的家乡。
4. No sooner __________________________________________ than
___________________________________.
我刚踏上舞台领奖就发出了雷鸣般的欢呼声和掌声。
Hardly had she sat
had planned to buy a house
had left her hometown
had I stepped on to the stage to receive the award
thunderous cheers and applause broke out
Complete the following sentences.
PART 3
过去完成时的被动语态
被动语态
过去完成时的被动语态是过去完成时态和被动语态的结合。表示过去某一时间以前已经被完成的动作,常与by,before等引导的时间状语连用。由“had+been+过去分词”构成。
基础形式
(1)肯定结构:主语+ had been done +其他成分。
(2)否定结构:主语+had not been done +其他成分。
(3)疑问句结构:had+主语+ been done +其他成分?
疑问词+had +主语+ been done +其他成分?
常用情况
表示过去某一时间以前已经完成的动作,常与by,before等引导的时间状语连用。
By the time he got to the school,the first class had been finished.
在told,said,knew,heard,thought等动词之后的宾语从句中,若表示过去某一被动动作时,用过去完成时。
They said the production costs had been reduced.
根据语意可以判断出动作先后的被动语态,用过去完成时。
As the assignment had been done,he went on to search the Internet.
常用情况
单句语法填空
The earthquake ______ (predict) several days before.
Our classroom ______ (clean).You needn't clean it now.
The device ______
(use) operationally some months previously.
The child______ (take) care of by grandma all these years.
had been predicted
had been used
has been cleaned
has been taken
课堂检测
1) Carol: _____ you ever ______ any Scottish food before your trip to St. Andrews last year
Paul: No, not really. But I ____________ about haggis many times before we went there.
n.羊杂碎肚
Carol: Oh…Did you try it
Paul: Oh, yes! You know what We arrived late for supper that day, and so we just ate whatever was left in the university canteen. We ___________ our meal before we learnt we _____ just ______ haggis!
Carol: My goodness!
Paul: Well, it was not bad. I have to say…
Complete the two conversations with the correct forms of the words in the box (Page29).
arrive cancel eat finish get taste tell
Had
tasted
had been told
had finished
had
eaten
课堂检测
2) Carol: When I got to the teahouse yesterday, I found nobody there. _____ it ______________
Paul: Oh, I’m so sorry that I forgot to tell you! The get-together was cancelled yesterday morning because Sally, the hostess, ___________ into a car accident.
Carol: Oh, I’m sorry to hear that. Hope Sally recovers soon!
Had
been cancelled
had got
arrive cancel eat finish get taste tell
课堂检测
Hardly (1) ______I_____(get) up this morning when I had a strange feeling that it wasn't going to be my day. I (2) ___________(intend) to have a big breakfast, but I had no time. I got up so late that I had to hurry to the bus stop to catch my bus. Unfortunately, I (3)_______ (step) on a banana peel and fell on my backside. What’s worse, by the time I got to the bus stop, the bus (4)________(leave). I had no choice but to run. It was the first time that I (5)________(run) to school. When I got to the classroom, I suddenly realized that it was Sunday. It is the worst day that I (6)_________ (have) in the past few years.
Complete the following passage.
had got
had intended
stepped
had run
had left
have had