最佳答案:1.主语+动词的过去式被动语态:主语(主动语态的宾语)+aws/were+动词的过去分词2.主语+had +过去分词被动语态:主语+had +been+过去分词
最佳答案:am/is/are being+donePeter's mother was telling him a story.A story was being tol
最佳答案:首先结构就不一样,过去进行时是was/were+doing,而被动语态是waswere+done,另外,表达的意思也不同,前者是说明正在进行的事情,而后者说明是
最佳答案:不是过去进行时的,be之所以用ing形式,是因为前面的介词at,介词后面动词要用ing形式,这是固定的用法.他是被发现的,所以要用be discovered,又
最佳答案:He broke the cup. → The cup was broken by him
最佳答案:过去进行时的主动语态是:were / was doing变成被动语态是:were / was been doing例如:He was planting a tr
最佳答案:现在进行时的被动语态:主语+be(is,am are)+being+过去分词例句:I am being told of the visiting plan.过去
最佳答案:肯定句was,were being done否定句was,were not being done一般疑问句:was,were +主+being done...特
最佳答案:was/were+being+Vpp(过去分词)是指被动状态下的过去正在进行,发生的事例:The pen was being used by Lily yest
最佳答案:I'm looking for my book.She was reading books when I got home.I will see you in
最佳答案:一般现在:is/are done一般过去:was/were done现在进行:is/are being done过去进行:was/were being done
最佳答案:The classroom is cleaned every day.一般现在时The classroom was cleaned every day.一般过去
最佳答案:很高兴为您解答,希望我的回答对您有所帮助!一般现在时:主语 + 动词原形(+标志词/标志状语)主语 + am / is / are + doing(+标志词/标