Life doesn't require that we （be） the best,only that we try our best.为什么用be
问题描述：
Life doesn't require that we （be） the best,only that we try our best.为什么用be
答
require 后的宾语从句用 should 型虚拟语气,而should一般省略而直接用动词原形.例：
The boss required that she (should) keep it a secret .老板要求她对此事保密.
He required the work not be done in a haste
类似的动词还有：demand、request、suggest等