It（was suggested） that the foofball match be put off because of the weather.
问题描述：
It（was suggested） that the foofball match be put off because of the weather.
括号部分为什么不是suggested或者suggests?
答
it是形式主语,真正主语是that引导的从句.主语和suggest为被动关系.又因为所叙述的是过去的事,所以用was suggested.