the boy bought three pairs of shoes ever since last year（那里错了?）
问题描述：
the boy bought three pairs of shoes ever since last year（那里错了?）
答
boy 之后加上 has ，变成现在完成时.
答
去掉ever
答
boy 之后加上 has ,变成现在完成时就对了.
答
ever since
是现在完成时标志
不应该用过去式