必修二语法导学案

Unit 4 Wildlife protection
Period3 Grammar导学案
Learning aims(学习目标):
对现在实行时的被动语态的理解与使用。

.
Important points(学习重点):
1. 学习现在实行时被动语态的构成
2. 使用现在实行时被动语态需要注意的几个问题
Learning guide(方法引导):
观察例句——总结规律——使用规律
StepⅠ: 观察思考
Read the following sentences and explain the usage of the Present Progressive Passive Voice in each sentence to your partner. (方法指导：先翻译句子，再指出现在实行时被动语态的用法)
1. We are being killed for the wool beneath our stomachs.
2. Our fur is being used to make sweaters for people like you.
3. I’m sorry I didn’t know that I wonder what is being done to help you.
4. Daisy turned around and found that she was being watched by an elephant.
5. So good things are being done here to save local wildlife.
StepⅡ：归纳规则
I.Study the explanation of the grammar and then do the exercises that follow.(方法指导：通过观察上面的例句，我们可将现在实行时被动语态构成和用法归纳如下)
1. 意义：
_________ 和_________ 之间是被动关系,而且动作正在实行。

2. 现在实行时被动语态构成
(1) 肯定形式：主语+________________ ＋过去分词
The house is being painted. 房子正在被粉刷。

(2) 否认形式: 主语+___________________ ＋过去分词
The trees are not being watered.
(3) 疑问形式: ___________ ＋主语＋_________ ＋过去分词？
Am I being watched over?
(4) 特殊疑问句的形式: 把____________ 放在一般疑问句前面。

How many bridges are being built in the village?
3. 现在实行时被动语态用法
(1) 表示说话人说话时_________或发生的动作，经常和时间副词now(现在), right now (现在, 此刻), at present (现在,当前), at this moment(此刻)连用。

e.g. ①Look! The baby __________________（take care of ）by her aunt. 瞧！那个婴儿正由他的姑姑照料着
②The project______________________at the meeting.
这项工程正在会议上被讨论。

(2) 表示现阶段或当前这段时间正在实行的被动动作，但这个被动动作在此时此刻不一定正在发生。

①A new factory________________________. 一个工厂正在建设。

②Many speeches are being held these days.
③Zhengzhou-Xi’an high-speed railroad.
郑西高速铁路正在建设当中。

(3) 表示按计划或安排将要实行的一个被动动作
A party is being held tonight. 译为_________________________
II.使用现在实行时的被动语态需要注意的几个问题:
1、注意助动词的使用。

现在实行时的被动语态有两个助动词，一是助动词be的相对应形式，为现在实行时的助动词；二是助动词being，为被动语态的助动词，这两个助动词缺一不可，并且不可颠倒顺序。

e.g.这些动物当前正被放了出来。

The animals are being set free at present.
2、注意短语动语后面的介词不可漏掉。

有些动词短语如take care of , look after , talk about等，用于被动结构时，后面的介词不可漏掉。

e.g. you are being talked about.
翻译：这婴儿正受到很好的照顾。

3、注意动词的性质。

有些动词，通常是不及物动词即表示某种情况或状态动词，如appear, rise, die, happen, occur, lie, belong to ,break out ,take place ,fit mean ,become, fail, consist of ,look like 及cost 等不可用于被动语态。

Which one is true and which one is false?
(1) The sun is rising.( )
The sun is being risen.( )
(2) What is happening?( )
What is being happened?( )
(3) The dish tastes delicious.( )
The dish is being tasted delicious.( )
StepⅢ使用规律，当堂检测
（方法指导：根据句子所提供的语境和现在实行时被动用法实行选择。

）
1. A new cinema ____ here. They hope to finish it next month.
A. will be built
B. is built
C. has been built
D. is being built
2. Rainforests __ and burned at such a speed that they will disappear from the earth in the
near future.
A. cut
B. are being cut
C. are cut
D. had been cut
3. I don’t know what time it is now. My watch_____.
A. is repairing
B. has been repaired
C. is being repaired
D. has repaired
4. Water ___ at 100℃.
A. boils
B. is boiled
C. has been boiled
D. has boiled
5. A new stadium ___here. They hope to finish it next week.
A. will be built
B. is built
C. is being built
D. is building
6. Have you moved into the new house?
Not yet, the rooms _________.
A. are being painted
B. are painting
C. are painted
D. are being painting
7. Do you like the material? Yes, it ___very soft.
A. is feeling
B. felt
C. feels
D. is felt
8. New medicines and instruments ______ every day to extend life.
A. develop
B. are being developed
C. are developing
D. have developed
9. “Look！Everything here is under construction.”
“What is the small building that ______for？”
A. is being building
B. has been built
C. is built
D. is being built
完成以下句子
1. The news ____________ (被讨论) about everywhere.
2. A lot of tall buildings ___________ (建立), and people will move in next year.
3. Most of the streets in the city has been widened and many new buildings _______________. (重建)。