I found a book on the desk.这里的on the desk.做什么成分

I put the book on the desk.句中的on the desk做什么成分, I found a book on the desk .的各个句子成分 book.i.a.the.on.desk.found 连词成句 i have a book on the desk iI found a book on the desk.（on the desk作状语）.on the desk作状语修 I have a book on the desk .的同义词 a book under the desk on the floor,on the floor修饰desk还是什么? The book on the desk he found the book on the desk 句子成分分析 clapped a book on the desk. is there a book on the desk? _____ a book on the desk.