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与since有关Hehasgotdevastatedsincehissondiedlastnight.为什么这句是错的.Heisdevastatedsincehissondiedlastnight.为什么这句是对的.Hehasbeendevastatedsincehissondiedlastnight.这样说对吗?

题目详情
与since有关
He has got devastated since his son died last night.为什么这句是错的.
He is devastated since his son died last night.为什么这句是对的.
He has been devastated since his son died last night.这样说对吗?
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答案和解析
因为has got devastated 只是表示一个动作,是一个瞬间的事,不能如is devastated 表示一个状态,后者就可以用在一段时间内,而前者只能用于一个时间点,而since his son died last night是一个时间段.