“It is time that we began our class,”said the teacher.请问为什么是虚拟语气?
问题描述：
“It is time that we began our class,”said the teacher.请问为什么是虚拟语气?
答
it be time that结构,是该.的时候了,这个句型一定要用虚拟语气,that后引导的从句里要用一般过去时.