He never could find out what was "going on" to bring so many folks into town.
"You will find out what I am going to do," said Ben, grimly.
But I tell you, I am trying to find out what the matter is that you need my help in.
No one can find out her trouble and no one seems to be able to comfort her.
Tell me what it is, or I'll go and find out, and spoil the fun.