"过去的几年"和"以后的几年"用英语怎么说?

过去的几年:
过去几年他们收效甚微原因就在于此。
That's why they have accomplished so little in the past few years.
过去几年农业经济有很大发展。
Rural economy have improved greatly in the past few year.
他试图掩饰过去几年的错误。
He tried to cover up his mistakes of the past few years.
我们为过去几年取得的进步感到骄傲。
We are proud for the progress we have make over the past few year.
日本的贸易顺差在过去几年里迅速增长。
Japan's trade surplus increase rapidly over the last few years.
过去几年里他已经显示出担任队长职务的素质。
He has shown his captaincy mettle over the past few years.
过去几年里，他一直过着放荡的生活，他的家庭几乎不认他了。老明
He had been living a wild life for the last few years,and his family had almost given him up.
过去几年的大旱灾就好像是《圣经》里讲到的瘟疫，是上帝对我们的考验。
The disastrous droughts of the past few years are just biblical plagues sent to try us.
您难道不相信我羡轮吗？我相信过去几年的愉快合作已经证明，我们都是值得信赖的业务伙伴。
Don't you trust me?I believe that our pleasant cooperation over the years has proved us trustworthy partners.
工厂一直处于非常困难时期，并且在过去的几年里已经损失了大笔的钱，但在新的管理部门领导下，它会渡过难关的。
The firm has been through very difficult times,and has lost a great deal of money during the past few years,but under the new management it should pull round

以后的几年:
在以后的几年里，他变得衰弱了。
He grew weak in after years.
他负债累累，今后几年他只有拼命干活才能还清债务。
With so many debts to pay off,he'll just have to keep his nose to the grindstone for the next few years.
工厂尚未赚一分钱，以后若干年大概也不会赢利。
The factory hasn't taken in a nickel yet,probably won't turn a profit for years.
我的儿子今后几年将就读于剑桥。
My son will be up at Cambridge in the next few years.
从我们上次相遇后，几年时间已经过去了
Years had lapsed since we last met.
退休后的几年里，他还同很多老同事保持着联系，但随着时间的推移，他们的联系就一个一个地中断了。
For some years after his retirement he kept up with a number of his old workmates,but as time went by he dropped them one by one.
众广义院议员兄含信（又称国会议员）选出后任期两年。
The member of the house of representative(call congressmen)is elected for two years.
在他严重车祸之后，约翰又活了几年。
After his severe accident,John lived on for several years.
他大学毕业后开始任神职,两年后成为一名牧师。
When he graduated from the university he joined the church and two years later became a priest.
他们两人交了几年朋友以后终于结婚了。
The two eventually paired off after having been friends for several years.

in the past years过去的几年
in the following years以后的几年

过去的几年：years past
以后的几年：years in future

in the past years过去的几年
in the following years以后的几年

过去的几年in the past few years
以后的几年in the following years