用于现在完成时态.

例: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。
He has shown his captaincy mettle over the past few years. 
过去几年里他已经显示出担任队长职务的素质。
The price of house have virtually doubled over the past few years. 
房价这几年来简直涨了一倍。
That's why they have accomplished so little in the past few years. 
过去几年他们收效甚微原因就在于此。
Many workers have taken to the arts in the past few years. 
过去几年中，许多工人对美术发生了兴趣。
Many new railways have been laid down in the past few years. 
几年来修建了许多新铁路。
He tried to cover up his mistakes of the past few years. 
他试图掩饰过去几年的错误。
The store's business has been on the downgrade for the past few years. 
最近几年这家商店的生意每况愈下。
The congress reviewed the achievements we had scored in the past few years. 
代表大会回顾了几年来我们取得的成就。
In the past few years,new buildings have sprung up all over Beijing. 
过去几年中，北京到处都盖起了新楼房。