It is so great for us to finally have a chance to meet in person.这是一个简单句吗?for后面的成份是不是在补充说明前面的it?
老师回复问题
同学你好,“it”在这里是作为形式主语的,该句是一个形式主语的句子,it并无实际语义,只是为满足语法上的需要,避免句子头重脚轻。该句真正的主语是后面的不定式形式“to finally have a chance to meet in person”,可以理解为“to finally have a chance to meet in person is so great for us”。