Do not think that you are betraying your mistress's secrets. 
Do you think  you're not betraying her secrets?
You kept her secrets well.
They're only going to get complaints or lawsuits filed.
A repairman fixes the bulldozer.
The dog sits peacefully on a chair.
I didn't care if I found a restroom.
The project deals with advanced flue gas desulfurization.
A Man is painting a wall.