新概念第三册第二课中第一句强调vicar一直都在筹资,为什么要用现在进行时呢?最好学过的朋友来回答我吧

新概念第三册第二课中第一句强调vicar一直都在筹资,为什么要用现在进行时呢?最好学过的朋友来回答我吧
Our vicar is always raising money for one cause or another, but he has never managed to get enough money to have the church clock repaired.
这里强调动作持续进行,为什么不用现在完成进行时: Our vicar has always been raising money for one cause or another,
谢谢啦!^_^