有关被动语态的
问题描述：
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?
答
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...