高一现在进行时被动语态.ppt

Unit 4 Wildlife Protection
Grammar
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Revision of the Passive Voice
Every year over 29,000 antelopes ________ (kill) in Tibet.
--- 一般现在时被动语态
2. In the past, the elephants __________ (kill) by farmers.
--- 一般过去时被动语态
are killed
were killed
3. In the past twenty years, a large number of bamboo areas ______________ (set up) to help pandas grow.
--- 现在完成时被动语态
have been set up
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6. At present a new home ____________ (build) for pandas.
is being built
--- 现在进行时被动语态
5. WWF hopes that more and more wild animals _______________ (protect) in the future.
will be protected
--- 一般将来时被动语态
构成：
Present Progressive Passive Voice
意义：
…正在被做
is/am/are + being + done (V-过去分词)
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Complete the sentences according to the text.
We ________________for the wool beneath our
stomachs. (Line 9)
2. Our fur ______________to make sweaters for people like you. (L10)
3. I wonder what ______________to help you. (L12)
4. So good things ________________here to save local wildlife. (L25)
are being killed
is being used
is being done
are being done
Present Progressive Passive Voice
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:
1. They are building a new library now. 被动
A new library is being built now.
Some animals are not being protected well enough.
Is the bridge being repaired now?
2. Some animals are being protected well enough. 否定句
3. The bridge is being repaired now. 疑问句
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1) 表示说话时正在进行的被动动作, 强调主语是动作的承受者
Look! The baby is being taken care of by
her aunt. 瞧！那个婴儿正由他的姑姑照料着。
2) 表示现阶段正在进行的被动动作。但此时此
刻不一定在进行的被动动作
A new building is being built outside our
school.
意义
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1. She’s made rapid progress recently and is always being praised by the teachers.
2. To the teacher’s anger, the silly questions are always being asked by his students.
她最近进步很快，总是被老师表扬。
让老师生气的是，学生总是问愚蠢的问题。
注意) 现在进行时被动语态与always , constantly, all the time等词连用时，表示经常性的被动动作，此时往往带有赞赏或厌恶等感情色彩。
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‘be + under / in + n.’ 可代替进行时被动语态
1. The city is under