He wanted to write a book on this subject.句子成分划分?

He wanted to write a book on this subject.句子成分划分? He wrote a book on this subject last year.划分句子成分? He wanted to bought a new book. A book was written on the subject.He has written a book on t _______ no exercise-book, he had to write on a piece of pape 1._______ no exercise-book,he had to write on a piece of pap 1.I wanted to have a word with him last night.(划分句子成分) Bring me a book.划分句子成分 this the best book on the subject to appear this year this book is()on the subject.A.the much best B,much the best This is the best book ____ on the subject There is a book on the desk怎样划分句子成分?是主谓宾还是主系表?请详解,