外研版（2019）选择性必修第一册Unit 5 Revealing nature 过去完成时公开课课件-(共34张PPT，内嵌视频)
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| 名称 | 外研版（2019）选择性必修第一册Unit 5 Revealing nature 过去完成时公开课课件-(共34张PPT，内嵌视频) |  | |
| 格式 | pptx | ||
| 文件大小 | 31.2MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 外研版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2024-05-14 17:28:14 | ||
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(共34张PPT)
Unit 5 Revealing nature
Using language
Pre-class test ( 2 minutes)
No.1 of Group 6
No.2 of Group 7
No.3 of Group 1
No.2 of Group 4
No.6 of Group 4
No.5 of Group 2
1．My friends _________(give) me a surprise at my birthday party last week.
2．Jack__________(graduate) in physics from Standford University in 2002.
3．In the recent years, Chinese people____________(witness) the rapid improvement in the new technology.
4．Their experiment so far__________(attract) the attentions of experts in the field.
5．Darwin suspected that the finches _______ (evolve) from a common ancestor.
6．By the end of last year, Henry___________(collect) more than a thousand postcards.
Preclass test
1．gave
2．graduated
3．have witnessed
4．has attracted
5．had evolved
6．had collected
Check your answers carefully
Past perfect
过去完成时
Teaching aims:
1. Learn basic structure and fixed sentence pattern of past perfect.
2. Master how to use past perfect correctly in the passage.
Watch the video
1. After I had brushed my teeth, I used some mouthwash to make sure my breath would be
extra fresh.
2. Then I looked the bottle I had used.
3. I realized I had rinsed（冲洗）my mouth with aftershave instead of mouthwash!
4. I went to get dressed and realized I had left my best shirt in the washer!
5.After I had waited for a few minutes, I realized I had put my shirt on inside out!
6. This had never happened to me before last night!
Past perfect
Why does we use past perfect in these sentences
1. The two verbs in the sentences
2. The relationship between the verbs in each sentence
The Definition of Past Perfect.
Definition
The past perfect is a verb tense which is used to show that an action took place _______ another action / point in the past.
now
past
future
过去完成时
The Definition of Past Perfect.
过去的过去
before
The basic structure and the marker of past perfect
1. You had studied English before you moved to New York.
2. You had not studied English before you moved to New York.
3. Many cars had been repaired by George before he received his mechanic’s license.
4. By the end of last term, we had learnt 2,000 English words.
5. I had finished my homework by nine o’clock last night.
6. By the time I got to school, I realized that I had left my backpack at home.
1. I had no sooner reached home than it began to rain.
＝No sooner had I reached home than it began to rain.
2. He had hardly got into his big office when the telephone rang.
=Hardly had he got into his big office when the telephone rang.
3. It was at least three months since I had left Beijing.
4. It was three years since he had joined the army.
5. It was the first time that I had chatted online in English.
6. It was the first time that I had visited the Great Wall.
The fixed sentence patterns of Past Perfect.
①. 在“________________________________”句型中，主句用___________，从句用______________。译为“一......就......”
1. I had no sooner reached home than it began to rain.
＝No sooner had I reached home than it began to rain.
2. He had hardly got into his big office when the telephone rang.
=Hardly had he got into his big office when the telephone rang.
The fixed sentence patterns of Past Perfect.
hardly...when/ no sooner...than/ scarcely...when
过去完成时
一般过去时
②. It ______＋一段时间＋___________(从句用过去完成时)
1. It was at least three months since I had left Beijing.
2. It was three years since he had joined the army.
Task 4 Find the fixed sentence patterns of Past Perfect.
was
since从句
1. It was the first time that I had chatted online in English.
2. It was the first time that I had visited the Great Wall.
Task 4 Find the fixed sentence patterns of Past Perfect.
③. It ____________________＋(that)从句 (从句用过去完成时)
was the first/second/...time
_______________________等动词的过去完成时可以用来表示过去__________________________，意为“___________________”。
1. I had hoped to be back last night, but I didn’t catch the train.
2. We had intended to come and see you.
质疑提升
What does past perfect mean in these two sentences
want, hope, mean, plan, intend
未曾实现的想法、希望、打算或意图
本来……
Basic practice ( 3 minutes)
No.1 of Group 3（1-5）
No.2 of Group 1（6-10）
No.5 of Group 4（1-5）
No.3 of Group 7（6-10）
No.4 of Group 5（1-5）
No.5 of Group 3（6-10）
1. By yesterday they ___________ (work) for six days.
2. By the middle of last month we ________ (live) in Beijing for five years.
3. When I came to Guangzhou, he ________(be) there for a long time.
4. Before they arrived here the film ____already ______ (start).
5. I ____________(intend) to meet him at the airport, but I had an important meeting to attend.
6. He entered the room, __________(turn) on the light and read an evening paper.
7. No sooner had he arrived than he _______(go) away again.
8. It was the third time that he ___________(be) out of work.
9. She returned the book that she ______________.(borrow)
10. I thought that I _________(see) him before.
Basic practice
Fill in the blanks with the appropriate forms of the verbs in brackets
1. had worked
2. had lived
3. had been
4. had started
5. had intended
6. turned
7. went
8. had been
9. had borrowed
10. had seen
Check your answers carefully
Learning tips
如何判断要应用过去完成时：
①. 时态标志词与固定句式
②. 有时则可能是通过上下文来体现。
9. She returned the book that she ______________.(borrow)
10. I thought that I _________(see) him before.
had borrowed
had seen
质疑提升
Why do we use past perfect in these two sentences
在含有______________的句子中，如果叙述________，先发生的动作常用____________。
在_________________________________等动词后的____________中，这时从句中的动作发生在主句动作之前，往往用________________。
定语从句
过去的事
过去完成时
“told” , “said” , “knew” , “heard” , “thought”
宾语从句
过去完成时
质疑提升
What are the difference between simple past and past perfect
1. They _______________(arrive) at the station by ten yesterday.
2. They _______________(arrive) at the station at ten yesterday.
had arrived
arrived
①. 过去完成时在时间上________________，
而一般过去时强调_________________。
②. 时态标志词不同：
一般过去时：_________________________________________等。
过去完成时：_____________________________________________________________________________________________________________等。
一般过去时与过去完成时的区别
强调“过去的过去”
过去某一特定的时间
ago, yesterday, the day before yesterday, last time
by then, by the end of +过去时间点, by +过去时间点, by the time+过去时间点, before +过去时间点
Complete the passage ( 3 minutes)
No.4 of Group 3
No.1 of Group 1
No.3 of Group 5
No.4 of Group 2
No.5 of Group 5
No.6 of Group 6
Lonesome George was the last Pinta Island tortoise. He died in 2012. After George’s death, the Pinta Island tortoise was declared extinct.
The extinction of the Pinta Island tortoise is blamed on humans. Before humans 1.__________(arrive) on the island, the species 2.____________(live) in isolation and 3. _______(eat) the plants that naturally grew there. George was discovered many years after their arrival, and by then humans 4. __________________(introduce) new species that 5. __________(compete) for the food the tortoises ate. After goats in particular had been brought to the island, the Pinta Island tortoise population 6.__________(decline). Eventually, only George 7. ___________(remain).
1. arrived
2. had lived
3. eaten
4. had introduced
5. competed
6. declined
7. remained
Check your answers carefully
Micro writing ( 5 minutes)
No.2 of Group 5——1
No.3 of Group 4——2
No.4 of Group 1——3
No.6 of Group 7——4
No.6 of Group 3——5
No.3 of Group 3——6
1.___________________（上周日，我本打算出去散步，但是在早上就开始下雨, intend）. So I went to the movies with my best friend. 2. ___________________________________（当我起床的时候，我的狗已经把桌子上我的早餐都吃了。by the time）. Then I went to see the film, hungry, 3.______________________（但是当我到电影院的时候，电影已经放映20分钟了。be on 放映）. 4._____________________________（这是我第一次和我最好的朋友一起看电影。） and it was the most interesting movie that I had watched! 5._____________________________（我一走出电影院就遇见了我的同班同学们hardly......when.....） We had dinner and talked happily. 6.___________________________________（但是当我要付钱的时候，我发现我的钱包和手机被偷了） What an unlucky day!
Micro writing (Mary’s journal)( 5 minutes)
1. Last Sunday, I had intended to go for a walk, but it began to rain early in the morning.
2. By the time I got up, my dog had eaten all my breakfast on the table.
3. but when I arrived at the cinema, the film had been on for 20 minutes.
4. It was the first time that I had seen a film with my best friend.
5. I had hardly got out of the cinema when I met some classmates.
/Hardly had I got out of the cinema when I met some classmates.
6. But when I was going to pay, I found my wallet and mobile phone had been stolen.
Independent writing
Write a journal about one impressive day in the past. You should try to use past perfect as much as possible.
Conclusion
Thanks
Unit 5 Revealing nature
Using language
Pre-class test ( 2 minutes)
No.1 of Group 6
No.2 of Group 7
No.3 of Group 1
No.2 of Group 4
No.6 of Group 4
No.5 of Group 2
1．My friends _________(give) me a surprise at my birthday party last week.
2．Jack__________(graduate) in physics from Standford University in 2002.
3．In the recent years, Chinese people____________(witness) the rapid improvement in the new technology.
4．Their experiment so far__________(attract) the attentions of experts in the field.
5．Darwin suspected that the finches _______ (evolve) from a common ancestor.
6．By the end of last year, Henry___________(collect) more than a thousand postcards.
Preclass test
1．gave
2．graduated
3．have witnessed
4．has attracted
5．had evolved
6．had collected
Check your answers carefully
Past perfect
过去完成时
Teaching aims:
1. Learn basic structure and fixed sentence pattern of past perfect.
2. Master how to use past perfect correctly in the passage.
Watch the video
1. After I had brushed my teeth, I used some mouthwash to make sure my breath would be
extra fresh.
2. Then I looked the bottle I had used.
3. I realized I had rinsed（冲洗）my mouth with aftershave instead of mouthwash!
4. I went to get dressed and realized I had left my best shirt in the washer!
5.After I had waited for a few minutes, I realized I had put my shirt on inside out!
6. This had never happened to me before last night!
Past perfect
Why does we use past perfect in these sentences
1. The two verbs in the sentences
2. The relationship between the verbs in each sentence
The Definition of Past Perfect.
Definition
The past perfect is a verb tense which is used to show that an action took place _______ another action / point in the past.
now
past
future
过去完成时
The Definition of Past Perfect.
过去的过去
before
The basic structure and the marker of past perfect
1. You had studied English before you moved to New York.
2. You had not studied English before you moved to New York.
3. Many cars had been repaired by George before he received his mechanic’s license.
4. By the end of last term, we had learnt 2,000 English words.
5. I had finished my homework by nine o’clock last night.
6. By the time I got to school, I realized that I had left my backpack at home.
1. I had no sooner reached home than it began to rain.
＝No sooner had I reached home than it began to rain.
2. He had hardly got into his big office when the telephone rang.
=Hardly had he got into his big office when the telephone rang.
3. It was at least three months since I had left Beijing.
4. It was three years since he had joined the army.
5. It was the first time that I had chatted online in English.
6. It was the first time that I had visited the Great Wall.
The fixed sentence patterns of Past Perfect.
①. 在“________________________________”句型中，主句用___________，从句用______________。译为“一......就......”
1. I had no sooner reached home than it began to rain.
＝No sooner had I reached home than it began to rain.
2. He had hardly got into his big office when the telephone rang.
=Hardly had he got into his big office when the telephone rang.
The fixed sentence patterns of Past Perfect.
hardly...when/ no sooner...than/ scarcely...when
过去完成时
一般过去时
②. It ______＋一段时间＋___________(从句用过去完成时)
1. It was at least three months since I had left Beijing.
2. It was three years since he had joined the army.
Task 4 Find the fixed sentence patterns of Past Perfect.
was
since从句
1. It was the first time that I had chatted online in English.
2. It was the first time that I had visited the Great Wall.
Task 4 Find the fixed sentence patterns of Past Perfect.
③. It ____________________＋(that)从句 (从句用过去完成时)
was the first/second/...time
_______________________等动词的过去完成时可以用来表示过去__________________________，意为“___________________”。
1. I had hoped to be back last night, but I didn’t catch the train.
2. We had intended to come and see you.
质疑提升
What does past perfect mean in these two sentences
want, hope, mean, plan, intend
未曾实现的想法、希望、打算或意图
本来……
Basic practice ( 3 minutes)
No.1 of Group 3（1-5）
No.2 of Group 1（6-10）
No.5 of Group 4（1-5）
No.3 of Group 7（6-10）
No.4 of Group 5（1-5）
No.5 of Group 3（6-10）
1. By yesterday they ___________ (work) for six days.
2. By the middle of last month we ________ (live) in Beijing for five years.
3. When I came to Guangzhou, he ________(be) there for a long time.
4. Before they arrived here the film ____already ______ (start).
5. I ____________(intend) to meet him at the airport, but I had an important meeting to attend.
6. He entered the room, __________(turn) on the light and read an evening paper.
7. No sooner had he arrived than he _______(go) away again.
8. It was the third time that he ___________(be) out of work.
9. She returned the book that she ______________.(borrow)
10. I thought that I _________(see) him before.
Basic practice
Fill in the blanks with the appropriate forms of the verbs in brackets
1. had worked
2. had lived
3. had been
4. had started
5. had intended
6. turned
7. went
8. had been
9. had borrowed
10. had seen
Check your answers carefully
Learning tips
如何判断要应用过去完成时：
①. 时态标志词与固定句式
②. 有时则可能是通过上下文来体现。
9. She returned the book that she ______________.(borrow)
10. I thought that I _________(see) him before.
had borrowed
had seen
质疑提升
Why do we use past perfect in these two sentences
在含有______________的句子中，如果叙述________，先发生的动作常用____________。
在_________________________________等动词后的____________中，这时从句中的动作发生在主句动作之前，往往用________________。
定语从句
过去的事
过去完成时
“told” , “said” , “knew” , “heard” , “thought”
宾语从句
过去完成时
质疑提升
What are the difference between simple past and past perfect
1. They _______________(arrive) at the station by ten yesterday.
2. They _______________(arrive) at the station at ten yesterday.
had arrived
arrived
①. 过去完成时在时间上________________，
而一般过去时强调_________________。
②. 时态标志词不同：
一般过去时：_________________________________________等。
过去完成时：_____________________________________________________________________________________________________________等。
一般过去时与过去完成时的区别
强调“过去的过去”
过去某一特定的时间
ago, yesterday, the day before yesterday, last time
by then, by the end of +过去时间点, by +过去时间点, by the time+过去时间点, before +过去时间点
Complete the passage ( 3 minutes)
No.4 of Group 3
No.1 of Group 1
No.3 of Group 5
No.4 of Group 2
No.5 of Group 5
No.6 of Group 6
Lonesome George was the last Pinta Island tortoise. He died in 2012. After George’s death, the Pinta Island tortoise was declared extinct.
The extinction of the Pinta Island tortoise is blamed on humans. Before humans 1.__________(arrive) on the island, the species 2.____________(live) in isolation and 3. _______(eat) the plants that naturally grew there. George was discovered many years after their arrival, and by then humans 4. __________________(introduce) new species that 5. __________(compete) for the food the tortoises ate. After goats in particular had been brought to the island, the Pinta Island tortoise population 6.__________(decline). Eventually, only George 7. ___________(remain).
1. arrived
2. had lived
3. eaten
4. had introduced
5. competed
6. declined
7. remained
Check your answers carefully
Micro writing ( 5 minutes)
No.2 of Group 5——1
No.3 of Group 4——2
No.4 of Group 1——3
No.6 of Group 7——4
No.6 of Group 3——5
No.3 of Group 3——6
1.___________________（上周日，我本打算出去散步，但是在早上就开始下雨, intend）. So I went to the movies with my best friend. 2. ___________________________________（当我起床的时候，我的狗已经把桌子上我的早餐都吃了。by the time）. Then I went to see the film, hungry, 3.______________________（但是当我到电影院的时候，电影已经放映20分钟了。be on 放映）. 4._____________________________（这是我第一次和我最好的朋友一起看电影。） and it was the most interesting movie that I had watched! 5._____________________________（我一走出电影院就遇见了我的同班同学们hardly......when.....） We had dinner and talked happily. 6.___________________________________（但是当我要付钱的时候，我发现我的钱包和手机被偷了） What an unlucky day!
Micro writing (Mary’s journal)( 5 minutes)
1. Last Sunday, I had intended to go for a walk, but it began to rain early in the morning.
2. By the time I got up, my dog had eaten all my breakfast on the table.
3. but when I arrived at the cinema, the film had been on for 20 minutes.
4. It was the first time that I had seen a film with my best friend.
5. I had hardly got out of the cinema when I met some classmates.
/Hardly had I got out of the cinema when I met some classmates.
6. But when I was going to pay, I found my wallet and mobile phone had been stolen.
Independent writing
Write a journal about one impressive day in the past. You should try to use past perfect as much as possible.
Conclusion
Thanks