资源简介

(共31张PPT)
Passive Voice
被 动 语 态
Learn the meanings of passive voice
学习被动语态的含义
Learn how to transform sentences into passive voice
学习如何将句子转化为被动语态
Learn the structures of passive voice
学习被动语态的结构
Learn the usages of passive voice
学习被动语态的用法
01
02
03
04
Learning aims (学习目标）
Meanings of Passive Voice
01
What happens between the boy and the door？
（男孩和门之间发生了什么？）
Go on
Step 1 lead-in
Answer 1. The boy opens the door.
主语_____________是动词__________的执行者。
Answer 2. The door is opened by the boy.
主语____________ 是动词________的承受者。
第一个句子我们叫_______语态。
第二个句子我们叫_______语态。
open
the boy
the door
open
主动 active voice
被动 passive voice
Question: What happens between the boy and the door？
Step 2 presentation
英语的语态是通过的动词形式变化表现出来的。英语中有两种语态：主动语态和 被动语态。 ____语态表示主语是动作的执行者。_____语态表示主语是动作的承受者，即行为动作的对象。
主动
被动
Meanings of Passive Voice
Meanings of Passive Voice
Step 2 presentation
The girl beats the boy.
Active Voice
Passive Voice
The boy is beaten by the girl.
Step 2 presentation
Active Voice or Passive Voice
Structures of Passive Voice
02
被动语态的结构是：____ +__________
人称、数和时态的是通过 _______的变化表现出来的。
不同时态的被动语态：
1.一般现在时： ／ ／ ＋done
2.一般过去时： ／ ＋done
3.一般将来时： ／ be＋done
4.现在进行时： ／ ／ being＋done
5.现在完成时： ／ been＋done
6.含情态动词：_____/______/____ be + done
am is are
was were
shall will
am is are
have has
be done
be动词
Structures of Passive Voice
Step 2 presentation
The boy is beaten by the girl.
should must can
The girl beats the boy.
We can transform (转化) a sentence from active voice into passive voice.
Transform Sentences into Passive Voice
03
Eg: we speak English.
执行者
主语
承受者
宾语
English
is spoken
we.
被动语态结构：be + done（be要随时变）
即根据主语的人称和数变化，时态要语原句一致
介词
宾格
by
us
一般现在时
Transform Sentences into Passive Voice
Step 2 presentation
注意代词:
1)主格做主语；
2)介词by 后用宾格
Step 1.找主宾：主变宾，宾变主
Step 2.定时态:主被动时态一致
Step 3.变be done
Step 4.若接原句主语，By 别忘
Step 2 presentation
主动变被动
Past Participle
过去分词
Have a Check
动词原形 过去式 过去分词
hunt
shoot(射杀)
do
make
take
build
hunted hunted
shot shot
did done
made made
took taken
规则变化
不规则变化
Step 2 presentation
built built
Tibetan antelope 藏羚羊
Hello, everyone! As you know, we live on the plains(高原）of Tibet, Xinjiang and Qinghai and we are known as “dancers on the plains” . However, we have ever been in danger……let me tell you our story.
cute, active, beautiful, graceful(优雅的）
I’m Lily.
1.Humans affect(影响) our lives.
Our lives _____ _______ ___ humans.
1)一般现在时
are affected
by
Transform Sentences into Passive Voice
Step 2 presentation
找______
定______
Step.3
Step.4
变_____
Step.1
Step.2
be + done
By别忘
注意代词:主格做主语和介词by 后用宾格
主宾
时态
______
2. The 1980s and 1990s were bad times for us, because many hunters hunted us for our valuable fur illegally(非法的).
We ___ _______ ____ many hunters for our valuable fur.
were hunted
by
Transform Sentences into Passive Voice
2)一般过去时
Step 2 presentation
They shot us to make profits(获利).
We _____ ____ ___them to make profits.
2)一般过去时
were shot
by
Transform Sentences into Passive Voice
disgusting(讨厌的), cruel(残忍的)
3.Humans must do something to save us, or we will be extinct(灭绝的).
Something_____ ____ ______ ___humans to save us.
3)情态动词
must be done
by
Transform Sentences into Passive Voice
Step 2 presentation
My friend needs help!
4. Now, humans are doing a lot of things in order to keep us safe.
A lot of things _____ ____ ______ ___humans in order to keep us safe.
4)现在进行时
are being done
by
Transform Sentences into Passive Voice
I feel like I’m going to fly!
Step 2 presentation
5.The government has taken some measures to protect us.
Some measures _____ ____ ______ ___the government to protect us.
5)现在完成时
have been taken
by
Transform Sentences into Passive Voice
Wow! Humans are waiting for us to cross the street! Thanks a lot!
What have been done for protecting us
Nature reserves and wildlife shelters have been built by the government in order to protect and take care of us.
可可西里自然保护区
Wildlife shelters(野生动物救助站）
Nature Reserves
They just like my parents. I really enjoy spending time with them! Thanks for their care.
6. I believe that humans will make more efforts to protect us in the future.
More efforts ____ ____ ______ ___humans to protect us in the future.
6)一般将来时
will be made
by
Transform Sentences into Passive Voice
Step 2 presentation
Usages of Passive Voice
04
2. 不知道动作的执行者
新增的桥梁和涵洞，便于我们自由穿行，防止我们撞上汽车和火车。
Bridges and gates were added(添加) to let us move easily and keep us safe from cars and trains.
1. 没必要指出动作的执行者
随着新公路和铁路的修建，我们的栖息地也不断缩小。
As new roads and railways were built, our habitats were becoming smaller.
Step 2 presentation
Usages of Passive Voice
需强调或突出动作的承受者
人们正做许多事来帮助我们。
In June 2015, our name was removed from the endangered species list.
句子的主语是动作的承受者
2015年6月，我们的名字从濒危物种名单中删除。
Step 2 presentation
A lot of things are being done by people to protect Tibetan antelope.
Transform Sentences into Passive Voice
Step 3 practice
Hunters killed many Tibetan antelopes illegally for their fur.
2.The government has taken measures to protect them．
Many Tibetan antelopes were killed illegally for their fur.
Measures have been taken to protect them.
Step 4 production
Use given information you have to make a passive voice sentence.
Group Given information
1 should, humans, save, wild animals
2 measures, take, to protect wild animals, the government, already
3 wild animals, protect, now, humans
4 Changtang Nature Reserve, in 1992, build, the government
5 build, workers, a bridge, next month, to protect antelopes
6 wild animals, humans, look after(动词短语）,everyday
When the buying stops, the killing can, too.
We should live in harmony with (和谐相处) wildlife.
被动语态
1.被动语态含义：
主语是动作的承受者，即行为动作的对象
2.被动语态的结构：be + 动词过去分词
被动语态be字变，过去分词跟后面
3.主动变被动的方法：
找主宾-定时态-变be done-加by
4.被动语态的四个用法:
没必要-不知道-要强调-承受者
Summary
Step 5 Summary
Homework
1.preview the following part of passive voice
2.finish the exercises from page 126 and page 127
3.learn something about other wildlife and share with us next class
Step 6 homework
Thanks for your listening!

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