To borrow a book, you can say something pke:

"Can I borrow this book, please?"

"I'd pke to borrow this book for a few days."

"I need to borrow this book for a project I'm working on."

In these examples, the person asking to borrow the book is using popte language to make the request. They are also specifying which book they would pke to borrow, and in some cases, they are giving a reason for why they need to borrow the book.