We hope, the creatures thought, "it will not be too difficult to make repairs."  
The creatures thought about making repairs and how difficult it might be.
The beasts couldn't think about anything but food.
His son had carefully preserved the letter according to them.
He thought I was brilliant.
A man is fixing the projector for a group of people in a conference room.
They are so anxious to get it, that they will not give thought to that.
A dog is chasing a squirrel.
El Nino rains and mild temperatures will encourage pollen production in plants.