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有关被动语态的He wrote the letter.该变动语态 The letter was written by t

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有关被动语态的
He wrote the letter.该变动语态 The letter was written by them.
They play football on sunday .变成被动语态 Football is played by them on sunday .
什么时候 (by+执行者)放在句尾,什么时候放在句中?跟时间状语有关吗?
有关被动语态的He wrote the letter.该变动语态 The letter was written by t
在被动语态中,通常当动作发出者由by引出后,都是直接放在动词之后,如果没有状语,句子就结尾了,这时候你看到的“by+执行者”就在句尾;
例:The baby should be taken good care of by the baby-sitter.
但有时句子会有一些状语,如:时间状语,地点状语等,他们回跟在“by+执行者”的后面,这时,也就是你所看到的“by+执行者”在句中了.
例:A book was given to me by him yesterday.(yesterday是时间状语)
A picture was shown to me by him in his house.(in his house是地点状语)