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必修2《Wildlife protection Grammar》免费教研课ppt课件

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必修2《Wildlife protection Grammar》免费教研课ppt课件必修2《Wildlife protection Grammar》免费教研课ppt课件
人教课标
高一 必修 2
Unit 4
The Present Progressive Passive Voice
Unit 4 Wildlife protection
A. 陈述句:
主语 + am/is/are + being + 过去分词
B. 疑问句:
疑问词 + am/is/are +主 + being + 过去
分词
现在进行时的被动语态
结构
表示说话人说话时或现阶段正在进行的动作,经常和时间副词now (现在), right now (现在, 此刻), at present (现在,目前), at this moment (此刻)连用。
用法
主语和谓语动词之间是被动关系, 而且动作正在进行。
----English is being taught by miss Lee now.
----New functions are being added to the camera at present.
意义
The Tense of the The Passive Voice
1. Present passive voice: am/is/are + p.p.
The Olympic Games are usually held in big cities.
2. Past passive voice: was/were + p.p.
The last Olympic Games were held in Beijing.
3. Future passive voice: will/shall + be + p.p.
The children will be taken to hospital if they have a slight fever.
am/is/are + going to be + p.p.
The children are going to be taken to hospital if they have a slight fever.
am/is/are+ to be+ p.p.
The children are to be taken to hospital if they had a slight fever.
4. Present continuous passive voice: am/is/are + being + p.p.
--Why it is so noisy out there?
--Oh, it’s because the road is
being repaired.
5. Perfect passive voice: have /has + been + p.p.
The Olympic Games have been held 29 times.
现在进行时的被动语态:
am/is/are + being done
表示说话时正在进行的一个被动动作,强调主语是动作的承受者。
瞧!那个婴儿正由他的姑姑照料着。Look! The baby is being taken care of by her aunt.
2) 表示这一段时间正在进行的一个被动的动作。
这一阵子许多讲座正在举行。
Many speeches are being held these days.
3) 表示按计划或安排将要进行的一个被动动作
今晚将要进行一场圣诞晚会。
A party is being held tonight.
① be + under / in +n. 的结构可以表示现在进行时的被动语态的含义。
The problem is under discussion now.
= The problem is being discussed now.
The telephone is in use.
= The telephone is being used.
② 一些表示“心理活动,拥有,存在”等动词,一般不用现在进行时的被动语态,而用一般现在时的被动语态。
Joe, come here. You are wanted on the phone.
‘be + under / in + n.’
可代替进行时被动语态
e.g. The city is under attack at the moment.
The city is being attacked at the
moment.
目前这个城市正遭到进攻。
e.g. The bridge is under repair.
The bridge is being repaired.
桥梁正在修理中。
e.g. The problem is under discussion at
the meeting.
The problem is being discussed at the
meeting.
这个问题正在会上讨论。
e.g. The telephone is in use now.
The telephone is being used now.
电话正在使用中。
从A、B、C、D四个选项中,选出可以填入空白处的最佳选项。
1. It is reported that many a new house _____ at present in the disaster area. (陕西2010)
A. are being built B. were being built
C. was being built D. is being built
2. Traditional folk arts of Tianjin like paper cutting ______ at the culture show of the 2010 Shanghai World Expo. (天津2010)
are exhibiting
B. is exhibiting
C. are being exhibited
D. is being exhibited
3. — Hi, Terry, can I use your computer for a while this afternoon?
— Sorry. _____. (江苏2009)
A. It’s repaired
B. It has been repaired
C. It’s being repaired
D. It had been repaired
4. Would you please keep silent? The weather report _____ and I want to listen. (湖南2009)
is broadcast
B. is being broadcast
C. has been broadcast
D. had been broadcast
5. —Why don’t we choose that road to save time?
—The bridge to it _____. (四川2009)
A. has repaired B. is repaired
C. is being repaired D. will be repaired
6. —What’s that noise?
—Oh, I forgot to tell you. The new machine _____. (浙江2008)
A. was tested B. will be tested
C. is being tested D. has been tested
I. 用所给词的适当形式填空。
1. A: Where is Kate?
B: She ________________ (criticize) by the teacher in the office.
2. A: Where are the children?
B: They _____________________ (take care of) by their aunt.
is being criticized
are being taken care of
3. A: What is happening over there?
B: A party _____________ (hold).
II. 用被动语态改写下列句子。
1. They are studying the milu deer at the research centre.
is being held
The milu deer is / are being studied at the research centre.
2. She is teaching the boy a lesson.

3. Now he is making the girl laugh.

4. They are revising the laws to protect the rights of women and children.
The boy is being taught a lesson.

Now the girl is being made to laugh.
The laws are being revised to protect the rights of women and children.
III. 选用方框内合适的短语,并用其适当形 式填空。
1. Jack looked at his watch, knowing that he was late again ________.
2. When he stood up, Mr. Smith _______
_______ and then saw an envelope near where he had been sitting.
look up look around
make sure as usual
looked
as usual
around
3. The little girl __________ at him with tears in her eyes and said, “Oh, I’m sorry.”
4. As parents, you must ___________ that the children get enough sleep.
make sure
looked up