第1个回答 2009-04-10
want to do sth
need to do sth
help[to]do sth
would like to do sth
enjoy doing sth
practice doing sth
had better do sth.
would rather do sth
go on doing/to do
prefer doing sth.
like doing sth.
like to do sth.
enjoy doing sth.
forget doing/to do
stop doing/to do