it is/was ...that 是强调句,可以强调除了表语以外的其他句子成分 比如I met Li Ming at the railway station yesterday.强调主语：It was I that (who) met Li Ming at the railway station yesterday.强调宾语：It...我是在六级的听力里面看到的啊它用的是动词的原形啦也许后面是个从句 或者是个句号 另外开始了一句 都指不定