其实,你给的这三个表达都是英语中经常用来表达【观点、看法、见解】的常用形式.
例如：
How about buying a new coat for yourself?
=What about buying a new coat for yourself?
=How do you like buying a new coat for yourself?
=What do you think of buying a new coat for yourself?
换句话说,这几个都是【表达 观点、看法、见解】的【交际功能项目】.