he insisted that we ___(be)back before 10o'clock

问题描述:

he insisted that we ___(be)back before 10o'clock

就用be
insist后的that从句谓语动词有两种情况
insist表“坚持要求”时,用should do,should可以省略.这是虚拟语气.
表坚持说时,该用什么就用什么.