may have been和 must have been been是不是不仅表示被动?
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may have been和 must have been been是不是不仅表示被动?
在这里的been是be的过去分词,要看语境才知道been需要不需要.
1,单单这样看这两个的话,那是表示猜测,是对已经发生的事情的猜测.所以用have been.
如果是对现在的猜测那就是 may be 和must be了.
2、如果是表示被动的话.那么后面应该还有动词的过去分词.如:may have been washed 可能已经被清洗过了
可能已经被 一定已经被
表示被动没错,不能省略
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