必修二 Unit 4 Period3 the present progressive passive voice

编制人：卫智梅 校对人：刘金鑫 使用时间: 领导签字：

现在进行时被动语态

现在进行时的被动语态表示"某人/事此时此刻正在被......", 主语是动作的承受者。

am / is / are＋being＋过去分词。

它的否定形式是把not放在第一个助动词之后,即am/is/are＋not＋being＋过去分词。

疑问形式是把第一个助动词放到句首，句末改为问号，即Am/Is/Are＋主语＋being＋过去分词？

特殊疑问句的形式: 把特殊疑问词放在一般疑问句前面。

What is being done on the new medicine.

How many bridges are being built in the village?

现在进行时的被动语态基本用法：

1. 表示现在正在进行的被动动作。

e.g. Mary is being interviewed now

2. 表现阶段正在进行的被动动作。

　The disease is being studied at present by scientist.

3. 少数及物动词的进行时表示按计划、安排将要承受某个动作。

Some rock music is being played by them next.

下面将由他们演奏一些摇滚音乐

4. 有些动词进行时的主动形式就可以表示被动的意思,常见的这些动词有:

print, cook, fry, bake, burn, hang.

e.g. The house is burning.

The meat is cooking

5. 在某些 "介词+名词"的短语也可以表示正在进行着的被动,常见的这些介词有: on, under

e.g. Many new cars are on show.

= Many new cars are being showed.

Your questions are under discussion.

= Your questions are being discussed