I suggest that more canteen be built and a mechanism of competition be introduced among them.

问题描述:

I suggest that more canteen be built and a mechanism of competition be introduced among them.

你好没问题suggest that + 主语 (should) + 动词原形          (should)可以省略所以你看到从句中谓语是 be built & be introduced  (就是省略了should)~~~~~~~~~~~~~~~~~~~~~...