1. Couldn’t they be caught by their masters?
Who couldn’t be caught by masters?
They could not be caught by their masters, could they?
Couldn’t they be caught by their masters or parents?
Why couldn’t they caught by their masters?
2. Do you want them to have their freedom?
Who wants them to have freedom?
I want them to have their freedom, don’t I?
Do you want them to have freedom or unfreedom?
What do you want them to have?
3. Did Brown’s grandfathers fight in ...?
Who did fight in ...?
When did Brown’s grandfathers fight?
Brown’s grandfathers fought in the..., did they?
Did Browns grandfathers or father fight in..?