How about是口語中常用的句型,在一般情況下不能單獨使用,一定要有上文,即在描述了某一事物之后,轉向另一事物時才可以用。這一句型常常用在以下場合:向?qū)Ψ教岢鼋ㄗh或請求、征詢對方的看法或意見、詢問天氣或身體狀況、作為承接上下文的轉折語。

how about“你認為...怎樣”,表示建議等,后接動詞ing或名詞 。但how about后面多跟動詞ing(即:動詞現(xiàn)在分詞) how about doing sth。
功能一:當對方談論的事情不明確,需要詢問清楚時,可用這一句型。如:
I'd like a cup of tea. How about you?
功能二:向?qū)Ψ教岢鼋ㄗh或請求,相當于句型Would you like...? 語氣很委婉。如:
How about having some bread?=Would you like some bread?
功能三:寒暄時用作承接上下文的轉折語。如:
I'm a teacher. How about you?
功能四:詢問天氣或身體等狀況。如:
1. How about the weather in your city?
2. How about your father?
功能五:征求對方的看法或意見。如:
How about this car?