"How much is this picture?"和"How much for this picture"有区别么?

都是“这幅画多少钱”的意思。第一句主谓宾齐全,正过来是 this picture is how much。第二句用介词for, for后面就是目的状语,原句少了主语和谓语,应还原为How much should you charge for this picture 或者 How much should I pay for this picture 。