Unit 2 Wildlife Protection Discovering Useful Structures 课件(共26张PPT)人教版(2019)必修第二册
文档属性
| 名称 | Unit 2 Wildlife Protection Discovering Useful Structures 课件(共26张PPT)人教版(2019)必修第二册 |  | |
| 格式 | pptx | ||
| 文件大小 | 14.8MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 人教版（2019） | ||
| 科目 | 英语 | ||
| 更新时间 | 2025-10-07 10:06:56 | ||
图片预览
文档简介
(共26张PPT)
B2 Unit2
Discovering Useful Structures
The Present Continuous Passive Voice
Learning Objectives
1. Learn about the form and function of the present continuous passive voice --- be being done;
2. Learn to report an ongoing event using the present continuous passive voice --- be being done;
3. Learn to describe the current situation of the endangered animals and the measures to help them using the present continuous passive voice --- be being done.
What are they doing in the picture
The polar bear .
The panda bamboo.
The elephant sports.
is swimming
is doing
is eating
The polar bear is swimming.
The panda is eating bamboo.
The elephant is doing sports.
现在进行时的构成: _______________________________________________
be (am/is /are) doing
Review: the present continuous tense
The whales __________(kill) by
human beings.
were killed
The rhino ____________ (hunt) by someone.
was hunted
Review: the passive voice
The whales __________(kill) by human beings.
were killed
The rhino ____________ (hunt) by someone.
was hunted
被动语态的基本构成: _________________
be + V.ed(过去分词)
Review: the passive voice
（时态和语态结合，先体现时态，后体现语态）
现在进行时：am/is/are + V-ing
被动语态： be + done(V过去分词)
现在进行时的被动语态：主语 + am/is/are + being + done + (by…)
表进行
表被动
观察总结：现在进行时的被动语态
结构
(3) What measures are being taken to help them
(2) What is being done to help them
(1) African elephants are being hunted.
Underline the present continuous passive voice in the sentences and discuss its function.(P18)
定义：表示“某人/事此时此刻正在被…”，主语是动作的承受者, 表示说话时或现阶段某个被动的动作正在进行。
Function: describe actions that are happening at the present moment
非洲象正在被猎杀
为了帮助他们，什么正在被做
什么措施正在被用来帮助他们？
现在进行时被动语态
（the present continuous passive voice）
形式 结构
肯定形式 主语+be+being+done
否定形式 主语+be+not+being＋done
一般疑问句 be+主语十being+done
特殊疑问句 特殊疑问词+be十主语+being+done
现在进行时的被动语态的构成形式：
Basic usage 基本用法
1. 表示说话时正在进行的被动动作，句中常用now, right now, look, at present, at the moment等时间状语连用。
He (examine) by the doctor now.
Look! The children (care) of by their aunt.
看! 孩子们正由他们姑妈照顾。
她现在正在接受医生的检查。
is being examined
are being cared
2. 表示现阶段正在进行的被动动作(说话时不一定在进行),句中常用at present, these days，these weeks等时间状语。
The problem of food safety _______________(study) by scientists these days.
is being studied
2.表示现阶段正在进行的被动动作（说话时不一定在进行）。
这些动物被猎杀的速度如此之快，它们很快就会消失。
These animals are being hunted at such a high speed that they will disappear soon.
这些天许多有趣的实验正在进行。
Many interesting experiments are being done these days.
3.表示一种习惯的被动行为(often, always, frequently, constantly ),带有赞扬、羡慕、抱怨，讨厌等感彩。
Children of our neighbors ___ always ____________ (praise) by our parents.
are being praised
3.表示一种经常性的被动行为，常与always, constantly, often等词连用，含有赞赏，羡慕，讨厌等感彩。
我感到非常吃惊的是我们教室的窗户经常被打破。
I feel very surprised that the window of our classroom is often being broken.
I don't understand why my bike is always being stolen.
我不明白为什么我的自行车总是被偷。
1. My washing machine___ this week, so I have to wash my clothes by hand.
A. was repaired B. is repaired
C. is being repaired D. has been repaired
2. They are living with their parents for the moment because their own house_____________(rebuild).
is being rebuilt
Practice
3. A new building _______________(build) outside our school now.
4. Look. A boy ____________________(attack) by a dog.
5. At present, a new home_______________(build) for the monkeys.
6. To the teacher's anger, the useless questions ____always ____________ (ask) by this student.
7. Since your bike__________________(repair), you can use mine.
is being built
is being attacked
is being built
is being repaired
being asked
are
Choose the suitable verb forms to complete the sentences.(P18)
1. I’m (working/being worked) at home today because my office is
(painted/being painted).
2. The alarming report is (written/being written). It will be finished soon.
3. What part of the city is (attacked /being attacked) now
4. Right now, the deer are (watched/being watched) over by many volunteers.
5. Who is (hunting /being hunted) the kangaroos Where are they
(hunted/being hunted)
6. It is reported that living spaces for wildlife are (reduced / being reduced) due to the cutting of trees.
如果把being漏掉，就成为了一般现在时的被动语态或系表结构
Attention
1.不可遗漏being
The children are being taken care of by their aunt.
瞧!孩子们现在正由姑母照看着。
Children are taken good care of at school.
孩子们在校被照看得很好。(一般现在时被动语态)
The report is being written by one of the best students.
报告正在由一个最好的学生写着呢。
The report is well written.报告写得很好。(系表结构)
2.部分介词短语介词不可省略
Look! The baby is being taken care by her aunt.
of
take care of, look after ,talk about，think of 等动词与介词构成的短语用于现在进行时的被动语态时，其中的介词不可省略
This topic is now being talked about.
这个话题正在被讨论。
3.部分动词无进行时的被动语态
阅读句子，指出其错误。
Mary, come here.You're being wanted on the phone.
Mary, come here.You're wanted on the phone.
一些表示状态、心理活动、拥有、存在等的动词，
如have，want, need, like,realize等，一般没有进行时的被动语态，而常用一般现在时的被动语态表示此时此刻或目前主语正在承受谓语动词表示的动作。
√
4.其他形式表示被动语态
The telephone is in use( =is being used) now.
电话正在使用中。
“be+under/in 等介词十名词”结构可代替现在进行时的被动语态。
The city is under attack( ＝is being attacked) at the moment.
目前这个城市正受到进攻。
Summary
现在进行时被动语态
[过基础 知识巩固]
维度一 单句语法填空
1．At the moment, a lot of activities __________________(hold) online to celebrate the New Year.
2．You can’t use the machine today because some parts __________________(replace) this week.
3．I have to go work by taxi because my car ______________(repair) at the garage.
are being held
are being replaced
is being repaired
4．At present, lots of food, water, tents and medicine __________________(transport) from all over the country to the flooded area.
5．A lecture on how to learn English __________________(give) by Professor Wang from Shandong University now.
6．Some wild animals are in danger now because their habitats __________________(destroy).
7．The Amazon Rainforest __________________(destroy) at an alarming rate and we humans really need to work together to protect it right now.
are being transported
is being given
are being destroyed
is being destroyed
8．At present a new bridge__________________ (build) across the river and will be completed next month.
9．It is reported that many a new house __________________(build) at present in the flood stricken area.
10．With more and more forests being destroyed, quantities of good earth __________________(wash) away each year.
is being built
is being built
are being washed
Thank you!
B2 Unit2
Discovering Useful Structures
The Present Continuous Passive Voice
Learning Objectives
1. Learn about the form and function of the present continuous passive voice --- be being done;
2. Learn to report an ongoing event using the present continuous passive voice --- be being done;
3. Learn to describe the current situation of the endangered animals and the measures to help them using the present continuous passive voice --- be being done.
What are they doing in the picture
The polar bear .
The panda bamboo.
The elephant sports.
is swimming
is doing
is eating
The polar bear is swimming.
The panda is eating bamboo.
The elephant is doing sports.
现在进行时的构成: _______________________________________________
be (am/is /are) doing
Review: the present continuous tense
The whales __________(kill) by
human beings.
were killed
The rhino ____________ (hunt) by someone.
was hunted
Review: the passive voice
The whales __________(kill) by human beings.
were killed
The rhino ____________ (hunt) by someone.
was hunted
被动语态的基本构成: _________________
be + V.ed(过去分词)
Review: the passive voice
（时态和语态结合，先体现时态，后体现语态）
现在进行时：am/is/are + V-ing
被动语态： be + done(V过去分词)
现在进行时的被动语态：主语 + am/is/are + being + done + (by…)
表进行
表被动
观察总结：现在进行时的被动语态
结构
(3) What measures are being taken to help them
(2) What is being done to help them
(1) African elephants are being hunted.
Underline the present continuous passive voice in the sentences and discuss its function.(P18)
定义：表示“某人/事此时此刻正在被…”，主语是动作的承受者, 表示说话时或现阶段某个被动的动作正在进行。
Function: describe actions that are happening at the present moment
非洲象正在被猎杀
为了帮助他们，什么正在被做
什么措施正在被用来帮助他们？
现在进行时被动语态
（the present continuous passive voice）
形式 结构
肯定形式 主语+be+being+done
否定形式 主语+be+not+being＋done
一般疑问句 be+主语十being+done
特殊疑问句 特殊疑问词+be十主语+being+done
现在进行时的被动语态的构成形式：
Basic usage 基本用法
1. 表示说话时正在进行的被动动作，句中常用now, right now, look, at present, at the moment等时间状语连用。
He (examine) by the doctor now.
Look! The children (care) of by their aunt.
看! 孩子们正由他们姑妈照顾。
她现在正在接受医生的检查。
is being examined
are being cared
2. 表示现阶段正在进行的被动动作(说话时不一定在进行),句中常用at present, these days，these weeks等时间状语。
The problem of food safety _______________(study) by scientists these days.
is being studied
2.表示现阶段正在进行的被动动作（说话时不一定在进行）。
这些动物被猎杀的速度如此之快，它们很快就会消失。
These animals are being hunted at such a high speed that they will disappear soon.
这些天许多有趣的实验正在进行。
Many interesting experiments are being done these days.
3.表示一种习惯的被动行为(often, always, frequently, constantly ),带有赞扬、羡慕、抱怨，讨厌等感彩。
Children of our neighbors ___ always ____________ (praise) by our parents.
are being praised
3.表示一种经常性的被动行为，常与always, constantly, often等词连用，含有赞赏，羡慕，讨厌等感彩。
我感到非常吃惊的是我们教室的窗户经常被打破。
I feel very surprised that the window of our classroom is often being broken.
I don't understand why my bike is always being stolen.
我不明白为什么我的自行车总是被偷。
1. My washing machine___ this week, so I have to wash my clothes by hand.
A. was repaired B. is repaired
C. is being repaired D. has been repaired
2. They are living with their parents for the moment because their own house_____________(rebuild).
is being rebuilt
Practice
3. A new building _______________(build) outside our school now.
4. Look. A boy ____________________(attack) by a dog.
5. At present, a new home_______________(build) for the monkeys.
6. To the teacher's anger, the useless questions ____always ____________ (ask) by this student.
7. Since your bike__________________(repair), you can use mine.
is being built
is being attacked
is being built
is being repaired
being asked
are
Choose the suitable verb forms to complete the sentences.(P18)
1. I’m (working/being worked) at home today because my office is
(painted/being painted).
2. The alarming report is (written/being written). It will be finished soon.
3. What part of the city is (attacked /being attacked) now
4. Right now, the deer are (watched/being watched) over by many volunteers.
5. Who is (hunting /being hunted) the kangaroos Where are they
(hunted/being hunted)
6. It is reported that living spaces for wildlife are (reduced / being reduced) due to the cutting of trees.
如果把being漏掉，就成为了一般现在时的被动语态或系表结构
Attention
1.不可遗漏being
The children are being taken care of by their aunt.
瞧!孩子们现在正由姑母照看着。
Children are taken good care of at school.
孩子们在校被照看得很好。(一般现在时被动语态)
The report is being written by one of the best students.
报告正在由一个最好的学生写着呢。
The report is well written.报告写得很好。(系表结构)
2.部分介词短语介词不可省略
Look! The baby is being taken care by her aunt.
of
take care of, look after ,talk about，think of 等动词与介词构成的短语用于现在进行时的被动语态时，其中的介词不可省略
This topic is now being talked about.
这个话题正在被讨论。
3.部分动词无进行时的被动语态
阅读句子，指出其错误。
Mary, come here.You're being wanted on the phone.
Mary, come here.You're wanted on the phone.
一些表示状态、心理活动、拥有、存在等的动词，
如have，want, need, like,realize等，一般没有进行时的被动语态，而常用一般现在时的被动语态表示此时此刻或目前主语正在承受谓语动词表示的动作。
√
4.其他形式表示被动语态
The telephone is in use( =is being used) now.
电话正在使用中。
“be+under/in 等介词十名词”结构可代替现在进行时的被动语态。
The city is under attack( ＝is being attacked) at the moment.
目前这个城市正受到进攻。
Summary
现在进行时被动语态
[过基础 知识巩固]
维度一 单句语法填空
1．At the moment, a lot of activities __________________(hold) online to celebrate the New Year.
2．You can’t use the machine today because some parts __________________(replace) this week.
3．I have to go work by taxi because my car ______________(repair) at the garage.
are being held
are being replaced
is being repaired
4．At present, lots of food, water, tents and medicine __________________(transport) from all over the country to the flooded area.
5．A lecture on how to learn English __________________(give) by Professor Wang from Shandong University now.
6．Some wild animals are in danger now because their habitats __________________(destroy).
7．The Amazon Rainforest __________________(destroy) at an alarming rate and we humans really need to work together to protect it right now.
are being transported
is being given
are being destroyed
is being destroyed
8．At present a new bridge__________________ (build) across the river and will be completed next month.
9．It is reported that many a new house __________________(build) at present in the flood stricken area.
10．With more and more forests being destroyed, quantities of good earth __________________(wash) away each year.
is being built
is being built
are being washed
Thank you!