有three days ago用一般过去时还是现在完成?

有three days ago用一般过去时还是现在完成? three days ago we went three days ago 对three days ago since three years ago 句子要用在 现在完成里吗? His grandpa died three years ago 改为现在完成时态 three month ago,three days' ago 第二种是什么情况. two years ago 前面用一般过去时还是现在完成时 three days ago是时间点吗? where were you three days ago? l brought it here three days ago. I _____ it here three days ago.选择哪个 brought 还是 bought? three days later 的意思和用法、 与 in three days 的区别.three days ago