about doing sth
How about doing sth.
about doing sth
dream about doing sth.
How about doing sth?What about doing sth?
be serious about doing sth.
what about+doing sth吗
What about sb/sth doing sth?
What about/ how about doing sth
be worried doing sth 还是be worried about doing sth
What about doing sth?的doing sth做主语吗?
about to do sth.和about doing sth.一样吗
how about doing sth.还是how about do sth.?