人教版（2019）选择性必修 第二册Unit 3 Food and Culture Discover Useful Structures课件(共20张PPT)
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| 名称 | 人教版（2019）选择性必修 第二册Unit 3 Food and Culture Discover Useful Structures课件(共20张PPT) |  | |
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| 资源类型 | 教案 | ||
| 版本资源 | 人教版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2024-01-03 11:20:32 | ||
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(共20张PPT)
UNIT 3 FOOD AND CULTURE
Discover Useful Structures
Teaching objectives:
In this class, you will
recognize and summarize the meaning, form and use of the past perfect tense and the past perfect passive voice;
use the past perfect tense and the past perfect passive voice to describe a situation that happened in the past.
Lead in
动词的变体
第三人称单数
过去式
现在分词
原形
过去分词
does做
did做
doing做
do做
done做
eats吃
ate吃
eating吃
eat吃
eaten吃
1. I _________ my homework every day.
我每天做作业。
2. I _________ my homework yesterday.
我昨天做了作业。
3. I _____________ my homework now.
我现在正在做作业。
do
时态：一般现在时
结构：动词原形/第三人称单数
did
时态：一般过去时
结构：动词过去式
am doing
时态：现在进行时
结构：am/ is/ are +动词ing
4. I _________ my homework tomorrow.
我明天要做作业。
时态：一般将来时
结构：will/ shall/ be going to +动词原形
will do
Q1：什么是过去完成时？
Q2：过去完成时的结构？
Q3：过去完成时时间状语有哪些？
Q4：隐形的过去完成时
一、过去完成时
Q1：什么是过去完成时？
By the time the policeman got to the shop, the thief had run away.
警察到商店时，小偷已经逃跑了。
过去 现在 将来
过去完成时是表示过去某个时间之前已经发生的动作或一直延续的动作或状态。→“过去的过去”
理解“过去的过去” ：
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。
例：The film had begun before we got to the cinema.
我到达电影院之前电影已经开始了。
had begun
got
Q2：过去完成时的结构？
主动语态 被动语态
肯定形式 had done had been done
否定形式 had not done had not been done
一般疑问句 had＋主语＋done had＋主语＋been done
特殊疑问句 疑问词＋had＋主语＋done 疑问词＋had＋主语＋been done
①When my family and I had just arrived in China, we went looking for a good place to eat in Beijing.
②A Sichuan restaurant had been recommended to us by a friend, and finally, we found it.
观察下面句子，说出划线部分的结构类型及句中功能。
①划线部分是____________________，arrive这个动作是发生在went这个动作之前，表示过去的过去。
②划线部分是____________________，recommend这个动作是发生在found这个动作之前，而且是被动动作。
过去完成时的主动语态
过去完成时的被动语态
After he _____________ (finish) his homework, he went to bed.
3.The class ____________ (begin)when I got to school.
4.The work _____________________(finish)by us by nine o ’clock yesterday.
5.Tom realized a mistake ____________________(make)by her.
5.He _________(leave) before I got home.
语法填空。
had finished
had begun
had left
2.The project______________________(complete) by the end of 1999.
had been completed
had been finished
had been made
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”
Q3：过去完成时时间状语有哪些？
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.
Examples and Exercises
had finished
had learned
had planted
had left
had been served
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.在 told，said，knew，heard，thought 等动词后的宾语从句, 主句为过去时，从句动作发生在主句之前，用过去完成时。
Q4：隐形的过去完成时
2.常用hope, expect, suppose, think, want, wish等动词的过去完成时表示过去未实现的愿望、计划或者打算。
例：We had intended to have a barbecue in the open air户外, but the weather was bad.
[典例4]
1.I had wished __________ (become) a doctor, but I studied law at college.
2. They ____________ (plan) to see us off at the airport.
to become
had planned
①Hardly/Scarcely/Seldom/merely ... when ；
No sooner ... than 一.....就
否定词置于句首，需要部分倒装。主句用过去完成时，从句用一般过去时。
3.用于一些固定句型：
1.Hardly had we sat down to supper when the phone rang.
2. Scarcely had the votes been counted, when the telephone rang.
3. No sooner had I walked out than I remembered that I forgot my homework.
[典例3]
1.我刚到车站，火车就开了。(scarcely ... when ...)
2.结果刚一宣布，人们就欢呼起来。(hardly ... when ...)
Scarcely had I reached the station when the train started.
I had scarcely reached the station when the train started.
Hardly had the result been announced when the crowd applauded.
It / This / That was the first / second time(that)主+had done
这是 / 那是某人第一 / 第二次 / 第…次做…
It was the first time she had left her motherland.
It was the +形容词最高级+名词+ (that)主+ had done
It was the most inspiring performance(that)I had watched.
[典例5]
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狂怒的.
4. It is time for us ________ (pack) up and leave.
5.[变]It is time we ___________________ (pack) up and leave.
6. [变]It was the best coffee I ___________(taste).
had left
have spoken
was
to pack
had tasted
should pack/packed
is
is
has
have
3.用于一些固定句型：
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。如：
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。）
过去完成时态常见的固定结构.
had been
had not told
2)用于对过去事实进行虚拟的条件句中。如：
If I had hurried, I wouldn't have missed the train.
如果我快点的话，我就不会误了火车。
If you had been at the party, you would have met him.
如果你去了晚会，你就会见到他的。
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
Consolidation
过去分词的构成：
1. 规则动词的变化：
a) 一般情况下在动词后面加 ed
work ------ worked
play -------- played
b) 以 e 结尾的动词直接加 d
use ------ used
refuse ------ refused
c) 以辅音字母加 y 结尾的动词，把 y 改 i 再加 ed
study ----- studied
carry ----- carried
d) 以重读闭音节结尾的，前面有单个元音字母时，双写辅音字母，再加 ed
stop ---- stopped
drop ------- dropped
2. 不规则动词的变化见不规则动词表P122-123
过去完成时的构成：由助动词had + 动词的过去分词（V.pp)
THANKS
UNIT 3 FOOD AND CULTURE
Discover Useful Structures
Teaching objectives:
In this class, you will
recognize and summarize the meaning, form and use of the past perfect tense and the past perfect passive voice;
use the past perfect tense and the past perfect passive voice to describe a situation that happened in the past.
Lead in
动词的变体
第三人称单数
过去式
现在分词
原形
过去分词
does做
did做
doing做
do做
done做
eats吃
ate吃
eating吃
eat吃
eaten吃
1. I _________ my homework every day.
我每天做作业。
2. I _________ my homework yesterday.
我昨天做了作业。
3. I _____________ my homework now.
我现在正在做作业。
do
时态：一般现在时
结构：动词原形/第三人称单数
did
时态：一般过去时
结构：动词过去式
am doing
时态：现在进行时
结构：am/ is/ are +动词ing
4. I _________ my homework tomorrow.
我明天要做作业。
时态：一般将来时
结构：will/ shall/ be going to +动词原形
will do
Q1：什么是过去完成时？
Q2：过去完成时的结构？
Q3：过去完成时时间状语有哪些？
Q4：隐形的过去完成时
一、过去完成时
Q1：什么是过去完成时？
By the time the policeman got to the shop, the thief had run away.
警察到商店时，小偷已经逃跑了。
过去 现在 将来
过去完成时是表示过去某个时间之前已经发生的动作或一直延续的动作或状态。→“过去的过去”
理解“过去的过去” ：
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。
例：The film had begun before we got to the cinema.
我到达电影院之前电影已经开始了。
had begun
got
Q2：过去完成时的结构？
主动语态 被动语态
肯定形式 had done had been done
否定形式 had not done had not been done
一般疑问句 had＋主语＋done had＋主语＋been done
特殊疑问句 疑问词＋had＋主语＋done 疑问词＋had＋主语＋been done
①When my family and I had just arrived in China, we went looking for a good place to eat in Beijing.
②A Sichuan restaurant had been recommended to us by a friend, and finally, we found it.
观察下面句子，说出划线部分的结构类型及句中功能。
①划线部分是____________________，arrive这个动作是发生在went这个动作之前，表示过去的过去。
②划线部分是____________________，recommend这个动作是发生在found这个动作之前，而且是被动动作。
过去完成时的主动语态
过去完成时的被动语态
After he _____________ (finish) his homework, he went to bed.
3.The class ____________ (begin)when I got to school.
4.The work _____________________(finish)by us by nine o ’clock yesterday.
5.Tom realized a mistake ____________________(make)by her.
5.He _________(leave) before I got home.
语法填空。
had finished
had begun
had left
2.The project______________________(complete) by the end of 1999.
had been completed
had been finished
had been made
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”
Q3：过去完成时时间状语有哪些？
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.
Examples and Exercises
had finished
had learned
had planted
had left
had been served
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.在 told，said，knew，heard，thought 等动词后的宾语从句, 主句为过去时，从句动作发生在主句之前，用过去完成时。
Q4：隐形的过去完成时
2.常用hope, expect, suppose, think, want, wish等动词的过去完成时表示过去未实现的愿望、计划或者打算。
例：We had intended to have a barbecue in the open air户外, but the weather was bad.
[典例4]
1.I had wished __________ (become) a doctor, but I studied law at college.
2. They ____________ (plan) to see us off at the airport.
to become
had planned
①Hardly/Scarcely/Seldom/merely ... when ；
No sooner ... than 一.....就
否定词置于句首，需要部分倒装。主句用过去完成时，从句用一般过去时。
3.用于一些固定句型：
1.Hardly had we sat down to supper when the phone rang.
2. Scarcely had the votes been counted, when the telephone rang.
3. No sooner had I walked out than I remembered that I forgot my homework.
[典例3]
1.我刚到车站，火车就开了。(scarcely ... when ...)
2.结果刚一宣布，人们就欢呼起来。(hardly ... when ...)
Scarcely had I reached the station when the train started.
I had scarcely reached the station when the train started.
Hardly had the result been announced when the crowd applauded.
It / This / That was the first / second time(that)主+had done
这是 / 那是某人第一 / 第二次 / 第…次做…
It was the first time she had left her motherland.
It was the +形容词最高级+名词+ (that)主+ had done
It was the most inspiring performance(that)I had watched.
[典例5]
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狂怒的.
4. It is time for us ________ (pack) up and leave.
5.[变]It is time we ___________________ (pack) up and leave.
6. [变]It was the best coffee I ___________(taste).
had left
have spoken
was
to pack
had tasted
should pack/packed
is
is
has
have
3.用于一些固定句型：
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。如：
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。）
过去完成时态常见的固定结构.
had been
had not told
2)用于对过去事实进行虚拟的条件句中。如：
If I had hurried, I wouldn't have missed the train.
如果我快点的话，我就不会误了火车。
If you had been at the party, you would have met him.
如果你去了晚会，你就会见到他的。
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
Consolidation
过去分词的构成：
1. 规则动词的变化：
a) 一般情况下在动词后面加 ed
work ------ worked
play -------- played
b) 以 e 结尾的动词直接加 d
use ------ used
refuse ------ refused
c) 以辅音字母加 y 结尾的动词，把 y 改 i 再加 ed
study ----- studied
carry ----- carried
d) 以重读闭音节结尾的，前面有单个元音字母时，双写辅音字母，再加 ed
stop ---- stopped
drop ------- dropped
2. 不规则动词的变化见不规则动词表P122-123
过去完成时的构成：由助动词had + 动词的过去分词（V.pp)
THANKS