【正文】
1. 作主語(1) It is no good/ no use/ a waste of time/ money/ fun /useless/ nice/ boring/ foolish doing sthIt is no use crying over spilt milk.It will be nice meeting them here again.It is fun doing shopping in small markets.Note: It is important/ necessary/ essential/ impossible (for sb) to do sth(2) There is no good/no use/ point (in ) doing sthThere is no good (in) doing so much homework every day without thinking.There is no point such a simple text sometimes.NOTE: There is no need to do sth There is no need to take