Have you turned off the oven?
No, I haven't
Did Ann water them?
No, she didn't
Did Scott mop it?
No, he didn't
Did Carol feed her?
No, she didn't
Have Chris and Tim gone shopping?
Yes, they have
Did you tell her the good news?
Yes, I did
Did Sam call the repairman?
Yes, he did
Did Bill set the table?
Yes, he did