1.We didn't eat any hamburgers for lunch.
Did you eat any hamburgers for lunch?
Yes,we did.
No,we didn't.
2.Simon and his father didn't play table tennis yesterday.
Did simon and his father play table tennis yesterday?
Yes,they did.
No,they didn't.
3.Helen couldn't read and write by herself.
Could Helen read or write by herself?
Yes,she could.
No,she couldn't.