sat语法题——时态
问题描述：
sat语法题——时态
Some of the workers who resent the supervisor's authourity would probably feel uncomfortable if they were to acquire the independence that they demand.
不应该是demanded吗?为什么是一般现在时
答
虚拟语气中的假设是发生在现在的 所以定语从句中的失态就是现在时