Did the children play outside?
Yes, they did / No, they didn't - краткие ответы
Yes, they played outside / No, they didn't play outside / No, they didn't play outside.
Did we like pizza very much?
Yes, we did / No, we didn't
Yes, we liked pizza very much / No, we didn't like pizza very much.
Принцип, думаю, понятен - остальное решишь сам. Важно, чтобы ты умел.