in the past few years用于什么时态

in the past few years意思是在过去的几年里，用于现在完成时态。

例句：

1、In the past few years they have been dealing with quite a few international corporations successfully.

在过去的几年中他们与好几家跨国公司做生意一直做得很成功。

2、Both Stanford Business School and the Yale School of Management have changed their curricula radically in the past few years.

在过去的几年中斯坦福大学商学院和耶鲁大学管理学院从根本上改变了他们的课程。

3、In the past few years，angel investor groups have started to"over reach"by adding clauses to financing agreements that limit the salaries of senior management.

做过去的几年里，天使投资集团开始“过分插足”公司运营，在融资协议中增加了限制高级管理层工资待遇的条款。

耶鲁大学 斯坦福大学 年中 几年里 他们的