the boy bought three pairs of shoes ever since last year(那里错了?)

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the boy bought three pairs of shoes ever since last year(那里错了?)
the boy bought three pairs of shoes ever since last year(那里错了?)

the boy bought three pairs of shoes ever since last year(那里错了?)
boy 之后加上 has ,变成现在完成时就对了.

ever since
是现在完成时标志
不应该用过去式

去掉ever

boy 之后加上 has ,变成现在完成时.