I’ll return the book to you tomorrow .to you 是什么成分?

I’ll return the book to you tomorrow .to you 是什么成分? Must I return the book to you tomorrow?肯定以及否定回答分别是什么? Lily said,"I'll return the book to you as soon as I finish r --When shall I return the book to you? I'm sorry.I forget (return)the book to you yesterday.return的 I can't( )the book to you tomorrow. Must I return the book to you right now?No,you needn’t.You m I’ll lend you money _______ you promise to return it by the 你应该在两星期侯吧这本书还给图书馆.You'll ( ) ( ) to return the book to the l _____ you return the book by Saturday,I will lend it to you. i forgot to return the book to you yesterday 回答a that is ok — I'm afraid I can't return the book to you before Friday.