外研版（2019）选择性必修第一册Unit 5 Revealing nature Using Language课件(共17张PPT)
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| 名称 | 外研版（2019）选择性必修第一册Unit 5 Revealing nature Using Language课件(共17张PPT) |  | |
| 格式 | ppt | ||
| 文件大小 | 796.0KB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 外研版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2025-08-05 23:15:04 | ||
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文档简介
(共17张PPT)
When I got to school, I realized that I had left my schoolbag at home.
Jack
坐下班车吧
！！
Before I got to the bus station, the bus had left.
By the time I got back to school, the bell had rung.
a.Before I got to the bus station,the bus had left.
b.By the time I got back to school, the bell had rung.
Observe and say
got to the bus station
the bus had left
got back to school
the bell had rung
Past perfect:
had done
Grammar--Past perfect
教学重点：引导学生观察例句，发现并总结过去完成时的规则。
教学难点：让学生在真实语境中灵活使用过去完成时。
Focus on
基本用法
Past perfect
过去完成时
① 基本结构
② 基本用法
③ 常用固定句型
1. 过去完成时的构成为：
肯定式为__________________；
否定式为__________________；
被动式为__________________。
①I had finished my homework before I had supper.
②John and Jane had not known each other for a long time before they got married.
③The work had been finished by us last Friday.
had done
had not done
had been done
过去完成时的基本用法
1. 表示在过去的某一时间或某一动作之前完成的动作或存在的状态。(过去的过去)
① Before we got to the train station, the train had already left.
我们到达火车站之前，火车就已经离开了。
② Before I could say “thank you”, he had run away.
我还没来得及说谢谢，他就跑开了。
2.用于宾语从句。
主句中 know, realize, think, suppose, guess, find, discover, decide,remember,forget等用于一般过去时，如宾语从句中动作先于主句动作，通常过去完成时。
①We realized that we had lost our way.
我们意识到我们迷路了。
②We didn’t think about asking if she had passed her exam.
我没想过问她是否考试及格了。
③Helen said that she had moved to another flat.
海伦说她已经搬到另一套公寓去了。
3.强调过去动作的完成 by then, by the end of, by the time。
① By the end of last term, we had learnt 2,000 English words.
到上学期期末为止，我们已经学习了2,000个英语单词了。
②They had lived there for ten years by then.
到那时为止，他们已经在那住了10年了。
1) It/That was+ the first/ second…+ time+ that从句，从句谓语常用过去完成时。
It was the first time that I had visited the Great Wall.
这是我第一次参观长城。
2) It was+一段时间+since从句，从句谓语用过去完成时。
It was three years since he had joined the army.
他参军三年了。
4.过去完成时用于一些固定句型：
3) 在句型Hardly…when…和 No sooner…than…中，主句常用过去完成时,从句用一般过去时，表示“一……就……”。
① Hardly had he got into his big office when the telephone rang.
他刚进入他的大办公室,电话铃响了。
② No sooner had he arrived than he was asked to leave again.
他刚到就被要求离开。
4) 在句型If only, I’d rather 中，常见过去完成时，表示“要是...就好了”；“宁愿”。
①If only we had listened to their advice.
我们要是听他的建议就好了。
②I’d rather you hadn’t been present.
我宁愿你当时不在场。
1.He ___________(learn) 3000 words before he went to England.
2.The old man told us that he__________ (travel) to many places.
3.It was the third time that he ___________ (see) such a large animal.
4. By the time he got to the airport,the plane ____________(take off)
5.Mary did her homework and_______ (wash) the dishes.
had learned
had travelled
had seen
had taken off
washed
过去的过去
宾语从句
It was the first time that
过去动作的完成
过去完成时和一般过去时的区别
1.意义不同
①When I arrived, she left.
②When I arrived, she had left.
(I arrived and then she left)
(She left before I arrived.)
2.起点不同
①He studied there two years ago.
②He said he had studied there three years ago.
(离现在两年)
(离说话时两年)
3.注意
表示过去时态并列的两个或以上的动词，一般用and，then, but 先后顺序连接，一般用一般过去时。
He said he went to the shop and bought some food.
Summary
过去完成时主要用来表示在过去之前发生的事或做的动作，即过去的过去，通常与一般过去时连用。
结构: 肯定：
否定：
肯定被动：
3. 用于过去完成时的基本用法:
had done
had not done
had been done
(1).过去的过去。
(2).用于宾语从句。
(3).强调过去动作的完成。
(4).固定句式
（1）By the end of last year, he ____ (collect)
more than 10 foreign stamps.
（2）He said that great changes （take）
place in his hometown since 1990.
（3）This was the second time that the musician
___________（tour）Europe.
（4）He (work) as a lecturer two years
ago, but now he is a manager.
（5）When the police found him, the criminal
__________ (be) in the cave for nearly a month.
（6）He (hope) to catch the 8:00 bus, but
he found it gone.
had collected
had taken
had toured
worked
had been
had hoped
When I got to school, I realized that I had left my schoolbag at home.
Jack
坐下班车吧
！！
Before I got to the bus station, the bus had left.
By the time I got back to school, the bell had rung.
a.Before I got to the bus station,the bus had left.
b.By the time I got back to school, the bell had rung.
Observe and say
got to the bus station
the bus had left
got back to school
the bell had rung
Past perfect:
had done
Grammar--Past perfect
教学重点：引导学生观察例句，发现并总结过去完成时的规则。
教学难点：让学生在真实语境中灵活使用过去完成时。
Focus on
基本用法
Past perfect
过去完成时
① 基本结构
② 基本用法
③ 常用固定句型
1. 过去完成时的构成为：
肯定式为__________________；
否定式为__________________；
被动式为__________________。
①I had finished my homework before I had supper.
②John and Jane had not known each other for a long time before they got married.
③The work had been finished by us last Friday.
had done
had not done
had been done
过去完成时的基本用法
1. 表示在过去的某一时间或某一动作之前完成的动作或存在的状态。(过去的过去)
① Before we got to the train station, the train had already left.
我们到达火车站之前，火车就已经离开了。
② Before I could say “thank you”, he had run away.
我还没来得及说谢谢，他就跑开了。
2.用于宾语从句。
主句中 know, realize, think, suppose, guess, find, discover, decide,remember,forget等用于一般过去时，如宾语从句中动作先于主句动作，通常过去完成时。
①We realized that we had lost our way.
我们意识到我们迷路了。
②We didn’t think about asking if she had passed her exam.
我没想过问她是否考试及格了。
③Helen said that she had moved to another flat.
海伦说她已经搬到另一套公寓去了。
3.强调过去动作的完成 by then, by the end of, by the time。
① By the end of last term, we had learnt 2,000 English words.
到上学期期末为止，我们已经学习了2,000个英语单词了。
②They had lived there for ten years by then.
到那时为止，他们已经在那住了10年了。
1) It/That was+ the first/ second…+ time+ that从句，从句谓语常用过去完成时。
It was the first time that I had visited the Great Wall.
这是我第一次参观长城。
2) It was+一段时间+since从句，从句谓语用过去完成时。
It was three years since he had joined the army.
他参军三年了。
4.过去完成时用于一些固定句型：
3) 在句型Hardly…when…和 No sooner…than…中，主句常用过去完成时,从句用一般过去时，表示“一……就……”。
① Hardly had he got into his big office when the telephone rang.
他刚进入他的大办公室,电话铃响了。
② No sooner had he arrived than he was asked to leave again.
他刚到就被要求离开。
4) 在句型If only, I’d rather 中，常见过去完成时，表示“要是...就好了”；“宁愿”。
①If only we had listened to their advice.
我们要是听他的建议就好了。
②I’d rather you hadn’t been present.
我宁愿你当时不在场。
1.He ___________(learn) 3000 words before he went to England.
2.The old man told us that he__________ (travel) to many places.
3.It was the third time that he ___________ (see) such a large animal.
4. By the time he got to the airport,the plane ____________(take off)
5.Mary did her homework and_______ (wash) the dishes.
had learned
had travelled
had seen
had taken off
washed
过去的过去
宾语从句
It was the first time that
过去动作的完成
过去完成时和一般过去时的区别
1.意义不同
①When I arrived, she left.
②When I arrived, she had left.
(I arrived and then she left)
(She left before I arrived.)
2.起点不同
①He studied there two years ago.
②He said he had studied there three years ago.
(离现在两年)
(离说话时两年)
3.注意
表示过去时态并列的两个或以上的动词，一般用and，then, but 先后顺序连接，一般用一般过去时。
He said he went to the shop and bought some food.
Summary
过去完成时主要用来表示在过去之前发生的事或做的动作，即过去的过去，通常与一般过去时连用。
结构: 肯定：
否定：
肯定被动：
3. 用于过去完成时的基本用法:
had done
had not done
had been done
(1).过去的过去。
(2).用于宾语从句。
(3).强调过去动作的完成。
(4).固定句式
（1）By the end of last year, he ____ (collect)
more than 10 foreign stamps.
（2）He said that great changes （take）
place in his hometown since 1990.
（3）This was the second time that the musician
___________（tour）Europe.
（4）He (work) as a lecturer two years
ago, but now he is a manager.
（5）When the police found him, the criminal
__________ (be) in the cave for nearly a month.
（6）He (hope) to catch the 8:00 bus, but
he found it gone.
had collected
had taken
had toured
worked
had been
had hoped