1、Unit 3 FOOD AND CULTURE突破语法大冲关 返首页课时分层作业2 过去完成时与过去完成时的被动语态观察例句1When my family and I had just arrived in China，we went looking for a good place to eat in Beijing.2Tired，hungry，and not knowing a word of Chinese，we had no idea how to order，so the chef just began filling our table with the best food we
2、had ever eaten.返首页课时分层作业3 3A Sichuan restaurant had been recommended to us by a friend，and finally，we found it.4Prior to coming to China，my only experience with Chinese cooking was in America，with Chinese food that had been changed to suit American tastes.返首页课时分层作业4 归纳用法1例句1和2的黑体部分为过去完成时，其构成为“had动词过
3、去分词”，表示过去某一时间或动作以前已经发生或完成了的动作。2例句3和4的黑体部分为过去完成时的被动语态形式，其构成为“hadbeen动词过去分词”，表示过去某一时间以前已经被完成的动作。返首页课时分层作业5 一、过去完成时表示过去某一时间或动作以前已经发生或完成了的动作，对过去的某一点造成的某种影响或是结果，用来指在另一个过去行动之前就已经完成了的事件。在英语时态中，“时”指动作发生的时间，“态”指动作的样子和状态。它表示动作发生的时间是“过去的过去”，侧重事情的结果。由“had过去分词”构成。返首页课时分层作业6 基本结构：had动词过去分词(1)肯定句：主语had动词过去分词其他。He
4、had already been to New York earlier in the week.本周早些时候他去过纽约。(2)否定句：主语hadnot动词过去分词其他。At that time we hadnt met her.那时我们还没有见到她。返首页课时分层作业7(3)疑问句：Had主语动词过去分词其他？肯定回答：Yes，主语had.否定回答：No，主语hadnt.Had you visited here before?你以前参观过这里吗？Yes，I had./No，I hadnt.是，我去过。/没有，我以前没有去过。返首页课时分层作业8(4)特殊疑问句：特殊疑问词或词组had主语过去
5、分词其他？Where had you been before you came here?你来这里前还去过哪儿？(5)被动语态：主语had(not)been动词过去分词其他。By the end of last year all the preparatory work had been done.到去年底为止，所有的准备工作都完成了。返首页课时分层作业9 即学即练 1 单句语法填空He(work)in the store for five years before he moved here.When I got to the station，the train(leave)The task
6、 (finish)before 12：00 yesterday.had been finishedhad workedhad left返首页课时分层作业10 二、基本用法1表示在过去某一时刻或动作以前完成了的动作，也可以说过去的时间关于过去的动作。即“过去的过去”。可以用by，before等介词短语或一个时间状语从句来表示，也可以用一个表示过去的动作来表示，还可能通过上下文来表示。By nine oclock last night，we had got 200 pictures from the spaceship.到昨晚9点钟，我们已经收到200张飞船发来的图片。返首页课时分层作业11 2表
7、示由过去的某一时刻开始，一直延续到过去另一时间的动作或状态，常和for，since构成的时间状语连用。I had been at the bus stop for 20 minutes when a bus finally came.当车来的时候，我在车站已等了20分钟。He said he had worked in that factory since 1949.他说自从1949年以来他就在那家工厂工作。返首页课时分层作业12 3叙述过去发生的事情，在已叙述了过去发生的事情后，反过来追述或补述以前发生的动作时，常使用过去完成时。Mr.Smith died yesterday.He had
8、been a good friend of mine.史密斯先生昨天去世了。他以前是我的好友。I didnt know a thing about the verbs，for I had not studied my lesson.我对动词一无所知，因为我没有好好学习功课。返首页课时分层作业13 4在含有定语从句的主从复合句中，如果叙述过去的事，先发生的动作常用过去完成时。I returned the book that I had borrowed.我已归还了我借的书。She found the key that she had lost.她丢失的钥匙找到了。返首页课时分层作业14 5过去完
9、成时常常用在told，said，knew，heard，thought等动词后的宾语从句(或间接引语)中，这时从句中的动作发生在主句表示的过去的动作之前。He said that he had known her well.他说他很熟悉她。I thought I had sent the letter a week before.我认为我一星期前就把信寄出去了。返首页课时分层作业15 6状语从句：在过去不同时间发生的两个动作中，发生在前，用过去完成时；发生在后，用一般过去时。如：when，before，after，as soon as，till/until引导的复合句。When I woke u
10、p，it had already stopped raining.我醒来时雨已停了。She didnt go to bed until she had finished her work.她直到把工作做完之后才睡觉。返首页课时分层作业16 注意：如果两个动作紧接着发生，则常常不用过去完成时，特别是在包含before和after的复合句中，因为从句的动作和主句的动作发生的先后顺序已经非常明确，可以用一般过去时代替过去完成时。After he arrived in England，Marx worked hard to improve his English.马克思到达英格兰之后，努力提高他的英语
11、水平。返首页课时分层作业17 7动词think，want，hope，mean，plan，intend等用过去完成时来表示过去未曾实现的想法、希望、打算或意图等。They had wanted to help but could not get there in time.他们本来打算去帮忙，但没有及时赶到那里。We had hoped to be able to come and see you.我们本来希望能来看看你。返首页课时分层作业18 8过去完成时还可用在hardly.when.，no sooner.than.，it was the first(second，etc)time(that
12、).等固定句型中。Hardly had he begun to speak when the audience interrupted him.他刚开始演讲，听众就打断了他。No sooner had he arrived than he went away again.他刚到就又走了。It was the third time that he had been out of work that year.这是他那一年第三次失业了。返首页课时分层作业19 即学即练 2 单句语法填空We(build)five new buildings by the end of last year.I cou
13、ld see from her face that she(receive)some good news.He said he(be)there before.We realized we(lose)our way.We(hope)that you would be able to visit us.had builthad receivedhad beenhad losthad hoped返首页课时分层作业20 三、与现在完成时的区别现在完成时表示的动作发生在过去，以now的时间为基点，但侧重对now产生的结果或造成的影响；过去完成时则是一个相对的时态，以过去时间为基点，它所表示的动作不仅发
14、生在过去，更强调“过去的过去”，只有和过去某时或某动作相比较时，才用到它。返首页课时分层作业21 比较：I have learned 1，000 English words so far.到目前为止我已经学会了1 000个英语单词。I had learned 1，000 English words till then.到那时为止我已经学会了1 000个英语单词。Im sorry to keep you waiting.对不起，让你久等了。Oh，not at all.I have been here only a few minutes.没什么，我只等了几分钟。返首页课时分层作业22 即学即练
15、3 单句语法填空The concert(start)We have to look for our seats in the dark.Youre too late；the train (leave)He(teach)English for twenty years when he retired.They (get)everything ready before I came.had gothas startedhas lefthad taught返首页课时分层作业23 四、过去完成时的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
16、，before等引导的时间状语连用。由“hadbeen过去分词”构成。返首页课时分层作业24 1过去完成时的被动语态有以下三种形式(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？返首页课时分层作业25 2过去完成时的被动语态常用于以下三种情况(1)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 fi
17、rst class had been finished.当他到达学校时，第一节课已经结束了。The classroom hadnt been cleaned before the teacher came.老师来之前，教室还没有打扫过。How many buildings had been destroyed when the earthquake ended?地震结束时有多少建筑物被毁？返首页课时分层作业26(2)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 Interne
18、t.任务完成后，他继续上网搜索。He did what he had been told to.他做了别人叫他做的事。另：当从句由after，before，when或 as soon as引导时，主句和从句都可以用一般过去时。返首页课时分层作业27 When he arrived，he called her.他到达时，给她打了电话。They locked the door before they left.在离开前，他们把门锁上了。返首页课时分层作业28(3)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 sa
19、id the production costs had been reduced.他们说生产成本已经降低了。The girl was reminded that her homework had not been handed in.那个女孩被提醒她的家庭作业还没有交。The media reported more than 1，000 people had been killed in the earthquake.媒体报道有1 000多人在地震中丧生。返首页课时分层作业29 名师点津过去完成时被动语态与现在完成时被动语态用法区别：现在完成时被动语态表示相对于现在来说已被完成的动作，过去完成
20、时被动语态表示相对于过去某一时刻来说已被完成的动作。返首页课时分层作业30 例如：This polluted river has been cleaned.这条被污染了的河流已被净化。析：该句表示到现在为止这条河流已被净化。例如：He said this book had been translated into Japanese.他说这本书已被译成日语。析：该句表示到他说话时所体现的时间为止这本书已被译成日语。返首页课时分层作业31 即学即练 4 单句语法填空The earthquake(predict)several days before.The device(use)operation
21、ally some months previously.Our classroom (clean)You neednt clean it now.The child(take)care of by grandma all these years.has been takenhad been predictedhad been usedhas been cleaned返首页课时分层作业32.单句语法填空1I surfed the net and (see)an online advertisement，so I sent an email，saying that I wanted the job
22、.2The universities in Britain (take)in many students from China and other Asian countries over the past few years.3The interviewer was interested in the grades I (get)in the exams.sawhave takenhad got返首页课时分层作业33 4By the time we got a report，the firemen(put)out the fire in the bar already.5Well have
23、to wait in line.The fast-food restaurant (be)short-handed for weeks.6She (want)to help you but she had no time then.7All the film tickets (sell)out when I got to the cinema.had puthas beenhad wantedhad been sold返首页课时分层作业34 8The wallet (wrap)up in newspaper and it contained half the money he had lost
24、.9By the end of that day，most of the inhabitants(leave)their homes.10It was the third time that he (make)the same mistake.had madehad been wrappedhad left返首页课时分层作业35.完成句子1她告诉我她当空中乘务员好几年了。She told me that for quite a few years.2她说她已来过上海。She said that Shanghai.3我们到日本前学过一点日语。We before we came to Japan.
25、had studied a little Japaneseshe had been an air hostessshe had been to返首页课时分层作业36 4我不想看那部戏剧，因为我已经看过了。I didnt want to see the play because 5到上学期末，我们已读了十篇短篇小说。By the end of last term 6这是他第一次输掉比赛。It was the first time we had read ten short storiesI had already seen ithe had lost the game返首页课时分层作业37 7投
26、资黄金一直被认为是万无一失的赚钱方法。Investment in gold a sure route to make money.8经过短暂的步行，我们到达尸体被人发现的地方。After a short walk，we arrived at the place where.the body had beenhas been seen asfound返首页课时分层作业38 9然而，几天之后，有人告诉他说弄错了。However，a few days later，he was told that _10我半夜回来时，她还没有做完工作。When I came back at midnight she still hadnt finished the worka mistake had beenmade返首页课时分层作业39 点击右图进入 课 时 分 层 作 业 Thank you for watching!