It took more than……

问题描述:

It took more than……
It took more than building supplies to construct these energh-saving houses.It took brains,too.
这个句子里 为什么用took 不用 take?

take这里是“使用,耗费”的意思,指建筑这些环保节能房屋耗费的不只是建筑材料,还有人们的智慧.显然,房子已经盖好了,所以耗费当然是过去的事了,因而用过去式took.