搜狗做题网she has been dead for three years.解释下been的作用.我知道是现在完成时,但不明白为
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she has been dead for three years.解释下been的作用.我知道是现在完成时,但不明白为什么要加been.
如果不加been 直接写成she has deaded for three years.
如果不加been 直接写成she has deaded for three years.
1.现在完成=助动词(has have)+过去分词
2.been是be（is am are)动词的过去分词
dead是形容词（没有过去分词）,不是动词,表达死时,是表达一种状态（不是动词）死了.
所以这里,形容词前面只能用be动词,所能是is dead.
is 的过去分词是been.
所以用has been dead.
2.been是be（is am are)动词的过去分词
dead是形容词（没有过去分词）,不是动词,表达死时,是表达一种状态（不是动词）死了.
所以这里,形容词前面只能用be动词,所能是is dead.
is 的过去分词是been.
所以用has been dead.
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