Does anyone ever open this window?Some opens it regularly.It is opened regularly.Does anyone ever open these windows?Some opens them regularly.They are opened regularly.这两个句子怎样区分主动语态,被动语态.
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主动语态的有：Does anyone ever open this window? Some opens it regularly.
Does anyone ever open these windows? Some opens them regularly.它们的特征是“动作发出者+动作+动作的承受者”
被动语态的有：It is opened regularly.They are opened regularly.它们的特征是“动作的承受者+be动词+动作的过去分词+动作的发出者（这项可以省略）”