Perhaps this book will prove to be of use to you in your studies的语法

题目

Perhaps this book will prove to be of use to you in your studies的语法

答案

意思是
可能这本书对你的学习有帮助
第三人称book做主语,prove to be 做谓语,可能证明.
of use 就是useful的变形,in your studies 在你的学习中