初中被动语态教学课件(共25张PPT)

(共25张PPT)
语态是动词的一种形式，表示动词的主语与该动词所表示的动作之间的主动和被动关系。语态有两种：主动语态和被动语态。
如：
My grandfather planted this tree.
我祖父种了这棵树。
This tree was planted by my grandfather.
这棵树是我祖父种的。
被动语态
被动语态
第一：当我们不知道谁是动作的执行者（doer）
时，只能用被动语态。
第二：当我们要强调动作的承受者（receiver）
时要用被动语态。
Anna's house was in a mess yesterday！
Pet chicken
before
after
The chicken was cooked.
before
after
Now, you should report what happened to the policeman.
you should report these things with passive voice.
(被动语态）
The vase was broken.
break
vase
The milk was drunk.
drink
milk
The chocolate was eaten.
eat
chocolate
The lights were turned on.
turn
lights
The windows were opened .
open
windows
The money was stolen.
steal
1.被动语态的构成形式 be +done (by)
被动语态通常有八种时态的被动形式。
（ 1）一般现在时：
am/is/are+done（过去分词）
English is taught in that school.
（2）一般过去时：
was/were+done
I was given ten minutes to decide whether to go or not.
（3）一般将来时：
shall/will be done
Hundreds of jobs will be lost if the factory closes.
（4）现在进行时：
am/is/are being done
A new cinema is being built here.
（5）过去进行时：
was/were being done
A meeting was being held when I was there.
（6）现在完成时：
has/have been done
All the work has been finished.
（7）过去完成时：
had been done
By the end of last year，another new project had been completed in Beijing.
（8）一般现在时带情态动词的被动语态：
情态动词+be+done
His new clothes must be made very soon.
The baby should be taken good care of by the baby-sitter.
15 2 30
30 10
3 50 30
5 20
A Game
10
11
12
13
14
15
16
17
I
J
K
L
M
N
O
P
10
9
8
7
6
5
4
3
2
1
0
— Excuse me, what’s this for
— It’s a cleaner and it ____ to pick up dirt.
A. uses B. is used C. is using D. used
10
9
8
7
6
5
4
3
2
1
0
75.学生每周都清洁教室的窗户。
The classroom windows by the students every week.
are cleaned
10
9
8
7
6
5
4
3
2
1
0
74.上周，怀特先生被邀请做了一个语言学习的讲座。
Last week，Mr. white to give a speech on language learning.
was invited
10
9
8
7
6
5
4
3
2
1
0
74.在中国到处都有人打羽毛球。
In China，badminton everywhere.
is played
10
9
8
7
6
5
4
3
2
1
0
74.为了进一步美化校园，下个月会在学校种很多树。
Next month many trees everwhere.
will be planted
19.He is very surprised that all the houses in the village ____ white.
paint B. painted
C. are painting D. are painted
10
9
8
7
6
5
4
3
2
1
0
23.Many houses____ by the earthquake and thousands of people were left homeless.（
damaged B. were damaged
C. Were damaging D. are damaged
72.根据奶奶的建议，这汤应该煮上两个小时以上。
The soup for more than
two hours according to Grandma .
should be cooked
10
9
8
7
6
5
4
3
2
1
0
61.这项工程很快就会完成。
The project soon.
will be finished
done/completed
10
9
8
7
6
5
4
3
2
1
60.在中国人民的帮助下，肯尼亚在几个月前建成了一条新的现代化铁路。
With the help of the Chinese people, a new and mordern railway in Kenya a few months ago.
was built
Summary
四种被动语态的基本结构
(be done)
一般现在时: _____________+___________
一般过去时: ____________+___________
情态动词: ____________________________+___________
一般将来时: _________+___________
am/is/are done
was/were done
will be done
should/could/must… be done
难点突破 Tips
1. 如何判断该用主动还是被动语态？
看主谓关系
2. 如何判断用哪个时态的被动语态？
圈出关键词，如时间状语
3. 如何判断be动词的形式？
圈出主语
summary