人教版九年级Unit12过去完成时及其用法
人教版九年级英语第十二单元语法知识与例题解析
人教版九年级英语第十二单元语法知识与例题解析过去完成时过去完成时的含义表示在过去某个时间或某个动作之前发生的动作，表示一个动作或状态在某一时间或动作之前已经完成，其动作发生的时间是“过去的过去”，它的参照物是一般过去时。
过去完成时的标志(1)特定的时间状语①by+过去的时间点He had finished reading the book by 10 o’clock yesterday.到昨天10点前，他已经读完了这本书。
②by the end of + 过去的时间点We had learned a lot of English songs by the end of last term.到上学期末我们已经学了很多英文歌曲。
③由by the time, before, when等引导时间状语从句时，主从句的动作发生有先后，动作在前的用过去完成完成时。
By the time I went outside, they had already left.当我出去时。
他们已经离开了。
The train had already left when I got to the station.我到达车站时火车已经离开了。
(2)具体的语境(看动作是否发生在“过去的过去”)①主句为一般过去时，且宾语从句的动作先于主句的动作发生时，从句要用过去完成时。
She said that she had seen the film before.她说她以前已经看过这部电影了。
②上下文语境I met Jim in the street yesterday. We hadn’t seen each other since he went to Beijing.我昨天在街上碰见吉姆了。
自从他去北京后，我们就再没见过面。
经典例题例1. When she got to the station, the bus_______ the station for ten minutes.has left B. had lefthad been away from D. left答案：C例2. The meeting _______ by the time I got there yesterday.was on B. has been onhad begun D. has begun答案：C例3. By the end of last month, I ________ all the CDs of Zhou Bichang.collect B. collectedhave collected D. had collected答案：D。
人教版九年级英语unit12知识点归纳
人教版九年级英语unit12知识点归纳人教版九年级英语Unit 12 知识点归纳Unit 12是人教版九年级英语教材中的一单元，本单元主要涉及到动词的时态、主谓一致等语法知识，同时也包括了一些关于旅行和海洋生物的话题。
下面将对本单元的知识点进行归纳总结。
一、动词的时态在本单元中，我们学习了一些动词的过去时、现在完成时和将来时的用法。
1. 过去时：表示过去发生的动作或状态。
单数形式动词在后面加了-ed，而复数形式动词则加了-d或-ed。
例如：- We lived in a small village before we moved to the city.- They played basketball yesterday afternoon.2. 现在完成时：表示过去发生的动作对现在造成的影响或仍然存在。
由have/has + 过去分词构成。
例如：- I have visited the Great Wall twice.- She has already read that book.3. 将来时：表示将来要发生的动作或存在的状态。
由will + 动词原形构成。
例如：- We will go to the beach tomorrow.- They will have a party next week.二、主谓一致主谓一致是指主语和谓语在人称和数上保持一致。
在本单元中，我们需要特别注意以下几点：1. 主语为第三人称单数时，谓语动词需要加-s或-es。
例如：- He often goes to the cinema on weekends.2. 表示时间、距离、金钱等的量词作主语时，谓语动词的单复数形式与它们代表的数量有关。
例如：- Ten yuan is enough to buy a drink.三、旅行话题在本单元中，我们学习了一些与旅行相关的词汇和句型，并通过对话的形式来进行实际应用。
九年级英语 Unit 12 Life is full of the unexpected语法聚焦十二
6．By the time I reached home，my mother __h_a_d_c_o_o_k_e_d_(cook) supper already. had lain 7．The little girl ______________(lie) in bed for almost a month since she ____f_e_ll_(fall) sick. 8．He told his mother that he _h_a_d__r_u_n___(run) out of money to buy new clothes. 9．I suddenly remember that I ___h_a_d_l_e_f_t (leave) the key in my classroom when I _g_o_t___(get) home yesterday. 10．Our math teacher __h_a_d_t_a_u_g_h_t_(teach) in our school for 20 years and he c_a_m__e_____(come) here when he was 25 years old.
第5页
3．过去完成时＋before/when/by the time＋普通过去时(动作在 后)。eg： The class had begun before I got to school. 在我到学校之前，课就开始了。 When I arrived at home，my mother had left. 当我到家时候，我妈妈已经走了。
第12页
B (
)15.—We all went to the cinema except you last
night.Why didn't you come?
人教版九年级英语第十二单元知识点总结
人教版九年级英语第十二单元知识点总结Unit 12 Life is full of the unexpected.一．单词unexpected by the time backpack oversleep give sb a lift block in line with worker stare disbelief above burn burning alive airplane till west cream workday pie show up bean market by the end of fool costume embarrassed costume party announce spaghetti hoax sell out discovery lady cancel officer believable disappear embarrassing本单元语法：过去完成时。
过去完成时表示在过去某一时间点以前即“过去的过去”已经发生的动作。
Mr. Black told me that he had seen the movie three times.⑴ 过去完成时表示在过去某一时间或动作之前已经发生或完成的动作。
它表示动作发生的时间是“过去的过去”。
⑴ 过去完成时的结构是：肯定由“助动词had(用于各种人称和数) + 过去分词”构成否定式：had not + 过去分词缩写形式：hadn’t⑴ 过去完成时的时间状语：⑴ 表示过去某一时间可用by, before等构成的短语。
We had finished our homework before 10 o’clock.⑴ 可能通过when, before等引导的从句表示。
When I got there, the train had left.⑴ 过去某一时间通过上下文来表示。
Kate hadn’t studied hard, so she didn’t pass the exam yesterday.二．1.unexpected adj. 出乎意料的；始料不及的the unexpected “意外的事情”“出乎意料的事”。
人教PEP9年级下册英语Unit 12 单元语法知识梳理
过去完成时1.过去完成时的意义过去完成时表示在过去某个时间或某个动作之前发生的动作或存在的状态，它表示动作发生的时间是“过去的过去”，它是一种相对于一般过去时的时态，没有一般过去时就没有过去完成时。
2.过去完成时的构成过去完成时的谓语由“助动词had+动词的过去分词”构成。
否定式为“had not+动词的过去分词”， had not缩写为hadn't。
3.过去完成时的用法（1）表示一个动作或状态在过去某一时间或动作之前已经完成，即发生在“过去的过去”。
这个过去的时间可以用by, before等介词短语或者一个时间状语从句来表示。
例句：When I woke up, it had stopped raining. 我醒来时，雨已经停了。
（2）表示某一动作或状态在过去某时之前已经开始，一直延续到这一过去的时间。
常用表延续的时间状语如by the end of+过去的时间点, by the time +从句等。
例句：By the end of last year, she had worked in the factory for twenty years. 到去年年底，她已经在这家工厂工作20年了。
4.过去完成时的判断依据（1）由时间状语来判定一般说来，各种时态都有特定的时间状语。
与过去完成时连用的时间状语有：①by+过去的时间点例句：She had finished reading the book by 9 o'clock yesterday. 到昨天9点钟时，她已经读完了这本书。
②by the end of+过去的时间点例句：We had completed all the work by the end of last month. 到上个月月底，我们已经完成了所有工作。
（2）由“过去的过去”来判定过去完成时表示“过去的过去”，指过去某一动作之前已经发生或完成的动作，即动作有先后关系，动作在前的用过去完成时，在后的用一般过去时。
人教版九年级上册第十二单元语法知识点梳理
人教版九年级上册第十二单元语法知识点梳理
Unit 12：Life is full of the unexpected.
第十二单元的语法重点是：过去完成时。
过去完成时：
【例句】
①She had seen ten films by last Friday.到上周五为止，她已经看了十部电影了。
②By the end of last October,she had collected 400 stamps.到去年十月末，她已经收集了400枚邮票了。
③By the time my parents reached home yesterday,I had already cooked dinner.我父母昨天到家时，我已经做晚饭了。
④Before Rebecca came to China in 2014,she had taught English in Korea for two years.丽贝卡在2014年来中国之前，已经在韩国教了两年英语了。
⑤When we arrived at the cinema,the film had already begun.当我们到电影院的时候，电影已经开始了。
【寻找“窍门”】
通过上面的句子，发现了什么规律？快来总结一下吧！
【中考真题】：
1.Some students in Shanghai______e-bags for several months.
A.have
B.have had
C.had
D.will have。
人教版 英语 九年级 12单元知识点
Unit121.过去完成时：1）.含义：表示一个动作或状态在过去某一个时间或者动作之前已经完成或结束，即过去的过去，2）.构：had+V过去分词，3）.过去完成时的标志词：by the time+一般过去时，by或before表示过去的某一时间。
When3).过去完成时态的一般疑问句：had +主语+V过去分词？肯定回答：Yes，sb had.否定回答：No，sb hadn’t.4).过去完成时态的否定句；sb+hadn’t+ V过去分词。
2. above 在。
之上，反义词belowOn, 在。
之上，表示与表面接触的上面。
On the bridgeOver 在。
之上，表示正上方，反义词under，3.as, 连词，当。
时候，像。
一样，正如，介词，作为。
重要词汇：1.by the time, 在。
以前2. Give sb a lift 捎某人一程，3. in line with…与。
成一排4.show up 路面5.by the end of. 在（某时间点）以前6.costume party 化妆舞会7. sell out 卖光8. Leave..at+地点把。
忘在某处9. go off 发出响声10. Be about to do sth 即将做。
11. stare at sb 凝视某人12. In disbelief 难以置信13. take off 起飞，脱掉14. Play a trick on sb 捉弄某人play jokes on sb 开某人的玩笑15.end up doing sth 以。
而告终16. Miss doing sth 错过做某事重要单词：1．Would rather, drive, drive sb crazy/mad, the, more, the more, lately, be friends with sb ，leave out，friendship，power，banker, queen, king, call in, examine, neither…nor, wealth, to start with, uncomfortable, weight, let..down, kick sb off, besides, disappoint。
九年级英语全册Unit12Lifeisfulloftheunexpected过去完成时知识梳理(新版)人教新目标版
专项语法——过去完成时【概念引入】过去完成时的概念：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。
它表示动作发生的时间是“过去的过去”。
表示过去某一时间可用by,before等构成的短语，也可用when,before等引导的从句或通过上下文提示等。
Hiseyesshonebrightlywhenhefinallyreceivedthemagazinehehadlongexpected.当他终于收到他盼望已久的杂志时，他兴奋得两眼闪光。
By the time he was twelve, Edison had begun to make a living by himself.12岁时，xx就开始自己谋生。
【用法讲解】1.过去完成时的构成1）过去完成时基本构成形式: had +过去分词。
We had reached the top of the hill before midnight.在半夜之前我们已登上了山顶。
2）过去完成时的否定形式: had + not +过去分词。
They hadn’t finished thework when we got there.我们到那儿时,他们还没有完成工作。
3）过去完成时的大凡疑问句及其回答形式:疑问句要把had提到句首；回答用Yes,主语+ had. / No,主语+ hadn’t.—Had he told you to go there earlier yesterday?他昨天告诉过你早点儿到那儿吗?—Yes, he had. (No, he hadn’t.) 是的,他告诉了。
(不,他没有。
)注意：had not常简略为hadn“t。
2.过去完成时的用法过去完成时的主要用法和现在完成时一样。
例外的是，过去完成时把时间推移到了过去某一时间之前，与现在无关。
1）过去完成时表示在过去某一时间或动作以前已经完成了的动作。
Helen had left her keys in the office so she had to wait until her husband camehome.海伦把钥匙忘到办公室里了，因此她不得不等她丈夫回来。
U-12 人教版九年级英语 第十二单元 过去完成时
过去的过去
现在完成时
过去某时
现在
将来
(先发生)
过去完成时
(后发生)
had + v.-过分
have / has +v.-过分
will have +v.-过分
Unit 12
3. 过去完成时的用法： 1). 表示一个动作或状态在过去某一时间或动作之前已经完成。 过去的时间常用by/before 等介词短语或者一个时间状语从 句来表示；
4.It __C_ nice to see John yesterday. I ____ him for a long time.
A.was; haven’t seen
B. had been; haven’t seen
C.was; hadn’t seen
D. had been;hadn’t seen
☞ By the end of last year, she had worked here for five years. 到去年年底，她已经在这里工作五年了。
专项练习----单项选择
1. By the time I got to the cinema, the movie____B_ for five minutes.
A.had begun B.had been on C.has started D.has been on
2014年人教版九年级英语第十二单元知识点
过去完成时用法：(1)构成：由“助动词had (用于各种人称和数) + 过去分词”构成否定式：had not + 过去分词缩写形式：hadn’t(2) 用法：过去完成时表示在过去某一时间或动作之前已经发生或完成了的动作。
(3) 它所表示动作发生的时间是“过去的过去”。
①表示过去某一时间可用by, before 等构成的短语来表示。
②也可以用when, before 等引导的时间状语从句来表示。
③还可以通过状语从句或通过上下文暗示。
例如：When I got there, you had already eaten your meal.当我到达那里时，你已经开始吃了。
By the time he got here, the bus had left.在他到达那里之前，汽车已经离开了。
阅读1. Life is full of the unexpected.unexpected adj. 出乎意料的；始料不及的e.g. It will not be unexpected if Tom comes late again, because he is always like this.如果汤姆又迟到了，一点也不意外，因为他一向如此。
2. By the time I got up, my brother had already gotten in the shower.by the time 在……以前,常引导表示过去的时间状语从句，主句常用过去完成时，即had+动词过去分词e.g. By the time I got there, he had already left. 在我到那儿之前，他已经离开了。
3. So I just quickly put on some clothes and rushed out the door. rush out 冲出去, 冲出……e.g. Henry rushed out the room and disappeared in the rain.亨利冲出房间, 消失在了雨中。
人教版九年级英语全一册：Unit 12语法知识点复习提纲(全面,必备!)
人教版九年级英语全一册：Unit 12语法知识点复习提纲重点短语、重点句型知识点、交际用语、语法、单元同步书面表范文达大全Unit 12 Life is full of unexpected.一、语法:过去完成时1.用法:表示过去的过去,即表示在过去某一时间或动作之前完成的动作或存在的状态,常与by(在......以前),before,when,after,unless引导的时间状语从句以及by the end of last week(到上个星期为止)by that time(到那时为止),long before(很久以前),by the time(到......以前,到......的时候)等构成的短语连用。
先发生的动作用过去完成时,后发生的动作一般过去时。
过去完成时一般过去时一般现在时一般将来时2.过去完成时结构:主语+had+v-过去分词1)She had learned 2,000 English words by the end of last month.到上个月底她已经学了2,000个英语单词。
2)By the time I got up,my brother had already gotten in the shower.我起床的时候,我哥哥已经在洗澡了。
3)By the time I walked into class,the teacher had started teaching already.到我走进教室教室的时候,老师已经开始上课了。
3.过去完成时否定句结构:主语+had not(hadn’t)+v-过去分词1)She hadn’t learned 2,000 English words by the end of last month.到上个月底,她还没有学2,000个英语单词。
2)By the time I got up,my brother hadn’t gotten in the shower yet.我起床的时候,我哥哥还没有去洗澡。
人教版英语九年级全册 Unit 12 知识精讲
人教版英语九年级全册Unit 12知识精讲Unit 12 Life is full of the unexpected.Section A1. By the time I got up, my brother had already gotten in the shower. 在我起床之前，我的兄弟已经在洗澡了。
本句为过去完成时态，表示在过去某一时间或动作之前已经发生或完成了的动作，即“过去的过去”。
构成：过去完成时由“助动词had + 过去分词”构成，其中had 通用于各种人称。
They had already had breakfast before they arrived at the hotel.与过去完成时连用的时间状语有：（ 1 ）by + 过去的时间点。
如：I had finished reading the novel by nine o'clock last night.（ 2 ）by the end of + 过去的时间点。
如：We had learned over two thousand English words by the end of last term.（ 3 ）before + 过去的时间点。
如：They had planted six hundred trees before last Wednesday.例：—We all went to the cinema except you last night. Why didn't you come?—Because I ______ that movie twice.A. have watchedB. had watchedC. was watchingD. would watch答案:B【解析】考查过去完成时的用法。
根据上下文可知：我昨晚不去看电影，是因为我以前看过了。
叙述的是“过去的过去”发生的事，故用过去完成时态，选B项。
人教版英语九年级全册Unit12(语法全解)：过去完成时的用法
【语法全解】：过去完成时的用法过去完成时表示在过去某一时间或动作之前已经发生或完成了的动作。
它表示句子中描述的动作发生在“过去的过去”。
具体如下：过去完成时的基本用法（1）表示在过去某一时刻或动作以前完成了的动作，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。
例如：By nine o’clock last night, we had got 200 pictures from thespaceship.到昨晚9点钟，我们已经收到200 张飞船发来的图片。
（2）表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。
例如：I had been at the bus stop for 20 minutes when a bus finallycame.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。
（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。
例如：Mr. Smith died yesterday. He had been a good friend ofmine.史密斯先生昨天去世了。
他以前是我的好友。
I didn’t know a thing about the verbs, for I had not studied mylesson.我对动词一无所知，因为我没有好好学习功课。
（4）在含有定语从句的主从复合句中，如果叙述的是过去的事，先发生的动作常用过去完成时。
例如：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。
九年级Unit12知识要点
一般过去式的句子、by the end of +过去的时间点、宾语从句中、It was the first time +过去完成时的句子二、短语1.by the time 2.give …a lift 3.in line with 4.show up 5.by the end of 6.costume party7.sell(sold) out8.be full of=be filled with 9.the+形the old 10.leave sth. sp. leave the book at school 11.forget sth.12.be late for class 12.go off 13.put on 14.rush out the door 15.be about to do sth.16.stare at 17.take off18.think to oneself 19.turn into 20.forget to do sth./doing sth.21.leave for…22.get a chance to do sth.23.invite sb.to do sth .24.play tricks /jokes on sb. 25.stop to do sth./doing sth./sb. doing sth.26.as…as possible/sb. can 27.marry sb. (to sb.)28.across /around the country三、句子1.As I was waiting in line with other office workers,I heard a loud sound.2.We stared in disbelief at the black smoke rising above the burning building.3.It happens on April 1st every year and is a day when many people play all kinds of tricks and jokes on each other.Unit12一、语法：过去完成时1谓成：助had+V.过去分词2.用法：过去的过去3.标志：by the time/when/before+一般过去式的句子、by the end of +过去的时间点、宾语从句中、It was the first time +过去完成时的句子二、短语1.by the time 2.give …a lift 3.in line with 4.show up 5.by the end of 6.costume party7.sell(sold) out8.be full of=be filled with 9.the+形the old 10.leave sth. sp. leave the book at school 11.forget sth.12.be late for class 12.go off 13.put on 14.rush out the door 15.be about to do sth.16.stare at 17.take off18.think to oneself 19.turn into 20.forget to do sth./doing sth.21.leave for…22.get a chance to do sth.23.invite sb.to do sth .24.play tricks /jokes on sb. 25.stop to do sth./doing sth./sb. doing sth.26.as…as possible/sb. can 27.marry sb. (to sb.)28.across /around the country三、句子1.As I was waiting in line with other office workers,I heard a loud sound.2.We stared in disbelief at the black smoke rising above the burning building.3.It happens on April 1st every year and is a day when many people play all kinds of tricks and jokes on each other.Unit12一、语法：过去完成时1谓成：助had+V.过去分词2.用法：过去的过去3.标志：by the time/when/before+一般过去式的句子、by the end of +过去的时间点、宾语从句中、It was the first time +过去完成时的句子二、短语1.by the time 2.give …a lift 3.in line with 4.show up 5.by the end of 6.costume party7.sell(sold) out8.be full of=be filled with 9.the+形the old 10.leave sth. sp. leave the book at school 11.forget sth.12.be late for class 12.go off 13.put on 14.rush out the door 15.be about to do sth.16.stare at 17.take off18.think to oneself 19.turn into 20.forget to do sth./doing sth.21.leave for…22.get a chance to do sth.23.invite sb.to do sth .24.play tricks /jokes on sb. 25.stop to do sth./doing sth./sb. doing sth.26.as…as possible/sb. can 27.marry sb. (to sb.)28.across /around the country三、句子1.As I was waiting in line with other office workers,I heard a loud sound.2.We stared in disbelief at the black smoke rising above the burning building.3.It happens on April 1st every year and is a day when many people play all kinds of tricks and jokes on each other.Unit12一、语法：过去完成时1谓成：助had+V.过去分词2.用法：过去的过去3.标志：by the time/when/before+一般过去式的句子、by the end of +过去的时间点、宾语从句中、It was the first time +过去完成时的句子二、短语1.by the time 2.give …a lift 3.in line with 4.show up 5.by the end of 6.costume party7.sell(sold) out8.be full of=be filled with 9.the+形the old 10.leave sth. sp. leave the book at school 11.forget sth.12.be late for class 12.go off 13.put on 14.rush out the door 15.be about to do sth.16.stare at 17.take off18.think to oneself 19.turn into 20.forget to do sth./doing sth.21.leave for…22.get a chance to do sth.23.invite sb.to do sth .24.play tricks /jokes on sb. 25.stop to do sth./doing sth./sb. doing sth.26.as…as possible/sb. can 27.marry sb. (to sb.)28.across /around the country三、句子1.As I was waiting in line with other office workers,I heard a loud sound.2.We stared in disbelief at the black smoke rising above the burning building.3.It happens on April 1st every year and is a day when many people play all kinds of tricks and jokes on each other.一般过去式的句子、by the end of +过去的时间点、宾语从句中、It was the first time +过去完成时的句子二、短语1.在…以前2.捎…一程3.与…成一排 4.露面、赶到5.在…以前6.化妆舞会7.s卖光8.充满,挤满9.表一类人,老人10.把某物忘在某地把书忘在学校11.忘记某物12上课迟到12.发出响声13.穿上,戴上14.冲出门15.即将干某事16.盯着…看17.脱下,起飞18心里想19变成20.忘记将干某事/忘记干了某事21.前往…22.得到机会干某事23.邀请某人干某事.24.捉弄某人25停下来干另一件事/停止干某事/阻止某人干某事26.尽可能…27与某人结婚(把某人嫁给某人.)28.全国三、句子1.当我正与其他的办公室工作人员一起排队等候时,我听到一声巨响.2.我们怀疑的盯着在燃烧的办公楼上方升起的黑烟.3.它发生在每年的4月1日并且在这一天许多人捉弄彼此.Unit12一、语法：过去完成时1谓成：助had+V.过去分词2.用法：过去的过去3.标志：by the time/when/before+一般过去式的句子、by the end of +过去的时间点、宾语从句中、It was the first time +过去完成时的句子二、短语1.在…以前2.捎…一程3.与…成一排 4.露面、赶到5.在…以前6.化妆舞会7.s卖光8.充满,挤满9.表一类人,老人10.把某物忘在某地把书忘在学校11.忘记某物12上课迟到12.发出响声13.穿上,戴上14.冲出门15.即将干某事16.盯着…看17.脱下,起飞18心里想19变成20.忘记将干某事/忘记干了某事21.前往…22.得到机会干某事23.邀请某人干某事.24.捉弄某人25停下来干另一件事/停止干某事/阻止某人干某事26.尽可能…27与某人结婚(把某人嫁给某人.)28.全国三、句子1.当我正与其他的办公室工作人员一起排队等候时,我听到一声巨响.2.我们怀疑的盯着在燃烧的办公楼上方升起的黑烟.3.它发生在每年的4月1日并且在这一天许多人捉弄彼此.Unit12一、语法：过去完成时1谓成：助had+V.过去分词2.用法：过去的过去3.标志：by the time/when/before+一般过去式的句子、by the end of +过去的时间点、宾语从句中、It was the first time +过去完成时的句子二、短语1.在…以前2.捎…一程3.与…成一排 4.露面、赶到5.在…以前6.化妆舞会7.s卖光8.充满,挤满9.表一类人,老人10.把某物忘在某地把书忘在学校11.忘记某物12上课迟到12.发出响声13.穿上,戴上14.冲出门15.即将干某事16.盯着…看17.脱下,起飞18心里想19变成20.忘记将干某事/忘记干了某事21.前往…22.得到机会干某事23.邀请某人干某事.24.捉弄某人25停下来干另一件事/停止干某事/阻止某人干某事26.尽可能…27与某人结婚(把某人嫁给某人.)28.全国三、句子1.当我正与其他的办公室工作人员一起排队等候时,我听到一声巨响.2.我们怀疑的盯着在燃烧的办公楼上方升起的黑烟.3.它发生在每年的4月1日并且在这一天许多人捉弄彼此.Unit12一、语法：过去完成时1谓成：助had+V.过去分词2.用法：过去的过去3.标志：by the time/when/before+一般过去式的句子、by the end of +过去的时间点、宾语从句中、It was the first time +过去完成时的句子二、短语1.在…以前2.捎…一程3.与…成一排 4.露面、赶到5.在…以前6.化妆舞会7.s卖光8.充满,挤满9.表一类人,老人10.把某物忘在某地把书忘在学校11.忘记某物12上课迟到12.发出响声13.穿上,戴上14.冲出门15.即将干某事16.盯着…看17.脱下,起飞18心里想19变成20.忘记将干某事/忘记干了某事21.前往…22.得到机会干某事23.邀请某人干某事.24.捉弄某人25停下来干另一件事/停止干某事/阻止某人干某事26.尽可能…27与某人结婚(把某人嫁给某人.)28.全国三、句子1.当我正与其他的办公室工作人员一起排队等候时,我听到一声巨响.2.我们怀疑的盯着在燃烧的办公楼上方升起的黑烟.3.它发生在每年的4月1日并且在这一天许多人捉弄彼此.。
人教版九年级第12单元 过去完成时
Ten scores
9. What ___D____ Annie ____ by
the time he was ten?
A. did, do
B. did, did
C. has, done
D. had done
10.He _C__ in the factory for three
years before he joined the Army.
(4) 口诀： 有两个动作发生在过去，一个先发生， 一个后发生， 先发生的用过完，后发生的用过去。
Before she got to the station the bus
had already left
.
When she got to school she realized she had left her backpack at home.
the Past Perfect Tense （p.p.）
过去完成时
Mary’s Morning
By the time she got up, her brother had already gotten in the bathroom.
过去时
过去完成时
过去完成时
(1)用法：用来描述在过去某一时间或动作之前已经发生 或完成了的动作。(过去的过去) (2)构成：肯定式：had(助动词、用于各种人称和数) + P.P.
Summary
The past perfect tense
过去的过去 结构：had done 标志词： by the time ,by the end of, before, when
Thanks for listening
Mary’s morning
九年级英语上册unit12知识要点概要
九年级英语上册Unit12 Life is full of the unexpected.一、语法：过去完成时过去完成时表示在过去某一时间点以前即“过去的过去”已经发生的动作。
Mr. Black told me that he had seen the movie three times.布莱克先生告诉我他已经把这部电影看了三遍了。
（“看”在“告诉”之前）1、构成：had+动词过去分词肯定句：主语+had+动词的过去分词+其他.否定句：主语+hadn’t(had not)+动词的过去分词+其他.一般疑问句：Had+主语+动词的过去分词+其他？肯定回答：Yes, 主语+had.否定回答：No, 主语+hadn’t.2、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，即“过去的过去”。
常用时间状语by + 过去的时间点“到……时”；by the end of…“到……末（为止）”；before + 过去时间“在……之前”；by then“截止到那时”；up till then“直到那时”；up till last night“直到昨晚”；when、before等引导的时间状语从句等。
I had finished reading the novel by nine o'clock last night.到昨天晚上10点钟时我就看完了这本小说。
We had learned over two thousand English words by the end of last term.到上个学期末我们以学了两千个英语单词。
They had planted six hundred trees before last Wednesday.上周三之前他们已经栽了六百棵树。
When I got there，the train had left.当我到达那儿时，火车已经开了。
②表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。
九年级英语人教版Unit 12 第三课时 Section A (Grammar Focus～4c)
•
8、先生不应该专教书，他的责任是教人做人；学生不应该专读书，他的责任是学习人生之道。下午7时12分2秒下午7时12分19:12:0221.10.16
三、完成句子。
根据汉语及句末括号内的英语单词提示，用相关短语的适 当形式完成句子。(提示：每空不超过四个单词)
1h1a．d f在ini我sh们ed 吃rea午di饭ng 前，我已经读完了那本小说。(finish)
4．By the time I ________ (get) home，my father ________(leave) for New York.
二、用方框中所给短语的适当形式填空。
arrive at，find out，rush out，show up，go into
had found out
13．到家后，我才意识到我把手机落在出租车里了。
(leave)
Had already gone to
After I got home I realized that I ______________ my
mobile phone in the taxi.
had already shown up
14．玛丽起床时，蒂姆已经进入了浴室。(go)
6．Before we made a final decision，he ______________ all the information we needed.
arrived at
7．By the time they ______________ the train station， everybody else had been there for one hour.
Unit 12 Life is full of the unexpected.
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Presentation What happened to Mary?
overslept
take a shower
run quickly
the bus left
left the backpack at home
Tell the story
Mary’s Bad Day
Mary got up late. She overslept.
oversleep-overslept-overslept
=when当…时候
By the time she got up, her brother had already gotten in the shower.
She was running quickly.
By the time she got outside, the bus had already left.过去完成时及其用法。
Lead-in
Let's enjoy
Learning goals: 1.Learn to talk about the unexpected
events with the past perfect tense. 2. Learn to use the past perfect tense
By the time she got back to school, the bell had rung.
By the time she walked into class,the teacher had strarted.
1. By the time she got up, her brother had already gotten
过去完成时表示在过去某个时间,或动作之前已经发生或完成的动作。 即“过__去__的__过__去__”。结构为：h_a_d_+_过__去__分_ 词 2. by the time 意思是 _在__…___时__候__, = when, 后接过去时的句子时, 从句的 谓语动词用___过__去__式_____
2. 用法： 过去完成时表示在过去某一时间或动 作之前已经发生或完成了的动作。
过去的过去
过去完成时：had+过去分词
my daughter
went to bed
10:00pm
A
past 过去
now
现在
B
11:00pm
过去的过去 I arrived home
future 将来
By the time I arrived home, my daughter had gone to bed.
过去完成时的判定
判断依据
1. 时间 状语
2. 标志词+含义 (过去的过去)
3. 上下文 语境
过去完成时的判断依据
➢by+过去的
1. Jim had finished his homework by ten last night.
strarted. 6. By the time she walked into class,the teacher had
过去完成时（The past perfect tense）
1. 构成：“助动词had + 过去分词” Tina had already finished her homework by 10 o'clock yesterday night. 否定式：had not + 过去分词 缩写形式： hadn't Tina hadn't finished her homework yet by 10 o'clock yesterday night. 一般疑问形式： Had + 主语 + 过去分词 Had Tina finished her homework yet by 10 o'clock yesterday night?
iinn tthhee sshhoowweerr.. 22.. BByy tthhee ttiimmee sshhee ggoott oouuttssiiddee,,tthhee bbuuss hhaadd aallrreeaaddyy lleefftt.. 3. When she got to school, she realized she had left her 3. Wbahckenpaschke agtothotomsec.hool, she realized she had left her 4. Wbahckenpaschke agtothotomsec.hool, she realized she had left her
4. Wbahckenpaschke agtothotomsec.hool, she realized she had left her
5. Bbayctkhpeatcikmaetshhoemgoet. back to school, the bell had rung. 65.. BByy tthhee ttiimmee sshhee gwoatlkbeadckinttooscclhaosso,lt,htehetebaeclhlehrahdardung.
通过之前的句子，我们来总结一下吧。 ➢ By the time I got up, my brother had already gotten in the shower. ➢ By the time I got outside, the bus had already left. ➢ When I got to the school, I realized I had left my backpack at home. 1. 这些句子是什么时态的句子?_过__去__完__成__时____
When she got to school, she realized she had left her backpack at home.
When she got home, she realized she had left her keys in the backpack.
Then she ran back to school quickly.