have begun 和have been on的区别

题目

have begun 和have been on的区别
KID1412621hh：那个“The film has been on twenty minutes.”不用加“FOR”吗？

答案

have begun强调动作
have been on强调状态
have begun不能用于现在完成时中,而have been on行.
例如：The film has been on for twenty minutes.