主语从句用It+be+.+that从句的几种用法?
问题描述：
主语从句用It+be+.+that从句的几种用法?
It+be+形容词+that引导的从句 举一句子 It+be+名词+that引导的从句 举一句子 It+be+过去分词+that引导的从句 举2句子 "It is .that."以这形式的强调句型举两句子
答
It was greatful that you have helped me.It would be a problem that the world is becoming hotter and hotter.It is said that President Hu will come to ** tomorrow.It is reported that there is a hurricane on the way.It is me that answer your quetion.It is BeiJing that held the 2008 Olympic Games.