在高中英语北师大版教材上发现这个句子:
It is December that we are going away.
教材解释的是it 引导分裂句可以把新信息和已知的信息联系起来,it在这里指的是时间,那that在这里是什么从句呢?
It is December that we are going away.= It is (in) December that we are going away.
【说明】 It is ... that 是一种强调结构,这里被强调的成分是时间状语 (in) December。