他的祖父去世3年了的六个同义句

Question

他的祖父去世3年了的六个同义句

Answer 1

His grandfather died three years ago .
His grandfather has been dead since three years ago.
His grandfather has been dead for three years .
It's three years since his grandfather died.
Three years has passed since his grandfaher died .
His grandpa has been dead for three years .
保证正确!