it s完全形式是it is。It's= it is。
1、It is said that
该句型中的it是形式主语,真正的主语是that引导的主语从句。该结构常译为“据说……”。
例句:It is said that he has come to Beijing.
(翻译:据说他已经到北京了。)
完全形式是it is,意思是它是,例如:
1.It is a highly complex piece of legislation.它是一项非常复杂的法规。
2.It is listed among the ingredients on the package.它是包装盒标明的成分之一。
3.I was just thinking what a long way it is.我刚才在琢磨路途太远了。