请问spend主语必须是人么?In the past few years the factory ____ a lot of money improving its working conditions.主语是factory,为什么还用has spent.那就是说spend主语也不一定必须是人,只要满足 spend in doing sht 花费XX

请问spend主语必须是人么?
In the past few years the factory ____ a lot of money improving its working conditions.
主语是factory,为什么还用has spent.那就是说spend主语也不一定必须是人,只要满足 spend in doing sht 花费XX做某事 的条件,主语也可以是物?

可以是人或者团体,总之是要和人有关的主语

私以为可以。
但此处的factory也带有人的性质吧。