中高考语法:不定式的被动语态To be done/to have been done

中高考语法:不定式的被动语态To be done/to have been done. 英语教育与学佛 2023-04-28 20:40 福建. 不定式的被动语态在初中阶段有所涉及; …

"Have done" 和 "have been done" 是两种不同的完成时态结构,它们的区别和用法如下: 1. " Have done " 是 现在完成时态 的结构,用来表示过 …

1. having been done: 强调动作发生在谓语动词表示的动作之前。例如: Having been well tended for half a year, my granny became far …

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