介词（for at on in about等） 后面用doing的形式
what about /how about + doing
why not + do
would you like to do
make sb.do something
let sb.do someting
see/listen sb.doing sth.
enjoy doing
like/hate doing
practise doing
be supposed to do 介词（for at on in about等） 后面用doing的形式
what about /how about + doing
why not + do
would you like to do
make sb.do something
let sb.do someting
see/listen sb.doing sth.
enjoy doing
like/hate doing
practise doing
be supposed to do