精选优质文档-倾情为你奉上2014-2015初中英语形式主语和形式宾语专项练习(有答案)形式主语或形式宾语指的是:当不定式(短语)、动名词(短语)或从句在某个句子中作主语或宾语时,为保持句子结构前后平衡,避免头重脚轻,因此常用it作形式主语或形式宾语置于句首或句中动词之后,而将真正的主语放在句尾。此时it只起先行引导作用,本身无词义。主要有:一、it作形式主语It 作形式主语的常见句型: It + be + 形容词 + to do sth. / doing / that .e.g. It is very important to learn a foreign language. (学一门外语非常重要。)It is useless crying over the spilt milk. (覆水难收。)It was really surprising that she married a man like that.(她嫁给那样的男士真让人惊讶。) It + be +名词词组 + doing / that .e.g. I