Have you seen my wallet? No, ...
I haven't.
Is David studying French? Yes, ...
he is.
Did it rain yesterday? No, ...
it didn't.
Do you like Indian food? Yes, ...
I do.
Have you ever been to Prague? Yes, ...
I have.
Are you having a good time? No, ...
I'm not.
Does Mary work here? No, ...
she doesn't.
Was Tom bothering you? No, ...
he wasn't.
