方中信的感情:请教各位英语高手？？

来源：百度文库 编辑：中科新闻网 时间：2024/05/10 07:50:30
it is 3 years since his grandma die 和 it is 3 years since his grandma has been dead 这两句话哪句在语法上是正确的？

It has been 3 years since his grandma died.

应该是It has been 3 years since his grandma died.

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