recent，years用什么时态

例句：

India has seen many political changes in recent years. 印度近年来经历了很多政治变动。

Unemployment among the over forties has risen sharply in recent years. 最近几年 40 岁以上的人的失业率大幅上升。

in recent years通常多与现在完成时连用，但有时也可根据具体情况用于一般现在时、一般过去时或完成进行时等。

如：Attitudes to mental illness have shifted in recent years. 最近几年对精神病的态度已有所改变。

The economy of the inland towns and cities of our country also develops rapidly in recent years. 近几年，我国内地城镇经济发展也很快。

Rules governing student conduct relaxed somewhat in recent years. 近年来约束学生行为的规定有所放宽。

In recent years the newspaper had been limping along on limited resources. 近年来这家报社一直在靠有限的资源艰难维持。

recent years是现在完成时态的标志词，现在完成时指的是动作发生在过去对现在造成的影响。结构为have，has done ，中文意思是“最近几年”

苹果公司近几年最头疼的问题是及时供货以满足市场需求。Apple's bete noire in recent years has been timing inventory to meet demand.