九年级英语一般过去时的被动语态
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一般过去时的被动语态
用法
被动语态用于以下一些情况:
1.当不知道谁是动作执行者时’。
Money and keys were taken from coat pockets during the party.
当谁是有关动作执行者显得并无意义、不重要或者已很清楚时。
一般过去时的被动语态常见于某些类型的报道文,其中包括:
2.有关法律程序的报道。
A woman was sentenced to two years in prison.
3.有关事故与自然灾害的报道。
A child was hurt.
Buildings were damaged.
4.有关学术研究的报道。
Three milliliters(3毫升)of water were added to the mixture.
5.当需强调动作本身和受到动作影响的人或物时。
比较下下面的例句:
主动语态:A bus completely destroyed my car yesterday.
被动语态:My car was completely destroyed yesterday.
6.当需避免句首出现冗长而又复杂的主语时。
Most fish are caught by fishermen who are prepared to wait patiently on the river bank in all weathers.
大部分的鱼都是被全天呆在河岸上耐心等候的渔民所捕获。
7.当事情发生在过去某一具体的时间里时,使用的是一般过去时的被动语
态,而非现在完成时的被动语态。
形式
一般过去时的被动语态由was / were+过去分词构成。
She was arrested.
They were taken away immediately.
表示动作执行者时可用by短语。
The fruit was picked by students.。