这个句子中谁是主语?谓语?介宾从句又充当什么成份?

题目

这个句子中谁是主语?谓语?介宾从句又充当什么成份?
Here has been some dispute about who wrote the play.
原来about who wrote they play 是修饰dispute 那么它是dispute 的定语，这么说对么？

答案

以here, there开头的句子,如果主语是名词,其谓语动词要放到主语之前,即：Here/There+谓语动词+主语（名词）.若主语是代词,则不完全倒装,即：Here/There+代词+谓语动词.例： Here you are! Here is the book for you ...