人教版九年级英语全册Unit 5 What are the shirts made of?语法-一般现在时的被动语态课件（共21张PPT）

(共21张PPT)
一般现在时的被动语态
九年级全一册Unit5语法专题
content
感知被动语态
目 录
一般现在时被动语态的用法
为什么学被动语态
感知被动语态
思考： 1. 主谓关系
【分析思考】
主动语态
被动语态
The dictionary is picked up by Mike.
Mike picks up the dictionary.
思考： 2. 动宾位置
【分析思考】
主动语态
被动语态
主变宾，宾变主
The dictionary is picked up by Mike.
The dictionary is picked up by Mike.
Mike picks up the dictionary.
思考： 3. 谓语动词变化
【分析思考】
主动语态
被动语态
pick up
is picked up
be done
Mike picks up the dictionary.
The dictionary is picked up by Mike.
主动语态：主语 谓语动词(及物) 宾语
被动语态：宾变主 is/am/are done by 主变宾
简记：主变宾(by sb)，宾变主，动词变成 be+done
【Attention】助动词be有人称、数和时态的变化
写出下列句子成分并用箭头表示主被动的变化
The dictionary is picked up by Mike.
Mike picks up the dictionary.
主语是动作的_______
主语是动作的_______
说明_____________的关系
3. 被动语态的动词结构：
4. 注意助动词be有的___________________变化
【归纳总结】
主语和谓语
语态
主动语态
被动语态
执行者
承受者
be done
人称、数和时态
1.规则动词的过去分词：
1)一般情况在动词原形后加-ed
watch---watched
2)以不发音e结尾的加-d
practice---practiced
3)以辅音加y结尾的，去y变i加-ed
study---studied
4)以重读闭音节结尾，末尾只有一个辅音字母，
先双写该辅音字母，再加-ed
stop---stopped
2.不规则动词的过去分词：
am / is
are / was / were
been
have
has
had
do
done
write
written
go
gone
动词过去分词的变化:
一般现在时的被动语态
一般现在时被动语态的结构
be动词+过去分词
肯定句
主语+be(am/is/are)+过去分词
The sweater is made of wool.
否定句
主语+be(am/is/are) + not +过去分词
The sweater isn’t made of wool.
一般疑问句
Be(am/is/are)+ 主语+过去分词…
Is the sweater made of wool
为什么学被动语态
【分析】
1. 语态：
2. 主语：
The boy is too naughty, and he is scolded by his mother everyday.
The mother is angry with the boy, and she scolds him everyday.
【分析】
1. 语态：
2. 主语：
1. 强调句子主语
2. 保持整段话的主语连贯性，避免衔接不清，语意模糊。
被动语态
the boy（强调）
主动语态
the mother（强调）
The problem is being dealt with now.
不知道动作的执行者是谁
or 不需要指出动作的执行者需要用到被动语态
1. 语态：
被动语态
2. 句子主语：
the problem
动作的________
承受者
3. 句子宾语即动作的执行者：
？？？
总结：
用所给单词的适当形式填空
My hometown is greener now. More and more trees __________
(plant) every year.
2. The cats ________________ (take) good care by my sister.
3. The bedroom ________________(clean) by my mother every day.
4. English __________________(speak) all over the world.
5. Taking photo __________________ (not allow) here.
are planted
are taken
is cleaned
is spoken
isn’t allowed
一般现在时被动语态的特殊疑问句
1.对原材料进行提问用：what
What is the sweater made of
2.对地点提问用：where
Where is the sweater made
3.对方式进行提问用：how
How is the sweater made
根据中文意思完成句子
这条围巾是丝绸的。
The scarf ______ ______ ______ silk.
2. 我奶奶每年都种很多蔬菜。
Many vegetables ______ ________ by my grandmother every year.
3. 学生不允许在教室里吃东西。
Students _____ _______ ______ to eat in classroom.
4. 雨后经常可以看到彩虹。
The rainbow ______ ______ ________ after rain.
is
made
of
are
planted
are
not
allowed
can
be
seen
完成句子
The product was made in China. (对划线部分提问）
______ _____ the product _______
2. My parents don’t allow me to go out at night.(改为被动语态）
I ______ ______ ______ _______ go out at night.
3. My mother cover the table with a piece of cloth. (改为被动语态）
The table ______ ______ _______ a piece of cloth.
4. The paper is made from wood.(对划线部分提问）
_______ ______ the paper _______ from
Where
is
made
am
not
allow
to
is
covered
with
What
is
made
选择题
Around the world, millions of waste ______ every day.
A. is created B. was created C. creates
2. The bottle ______ with water. Drink some, please.
A. fill B. filled C. is filled
3. The clay pieces _______ at a very high heat.
A. are fired B. is fired C. fired
A
C
A
选择题
4. These things _______ as a symbols of good luck.
A. seen B. are seen C. are see
5. I noticed the ground ______ with snow when I go out.
A. is covered B. covered C. covers
6. — I’m tired of cleaning the house.
— Sweeping robots ______ more and more widely today. Why not buy one
A. are used B. were used C. are using D. used
B
A
A
THANK YOU