what about和how about區(qū)別：

　　what about和how about在表請(qǐng)求的問(wèn)句中是一樣的，后跟動(dòng)詞的ing形式，而how about you和what about you,則是用于省略的問(wèn)句中。

　　例如:

　　-- Rose,what about going swimming?

　　-- good idea!but i'm afraid not.i have to do my homewerk.

　　-- how about you? tim.