They lay in the sun for half an hour.
Отрицательное предложение.
Общий вопрос.
Ответ.
Специальный вопрос.

1)They don’t lay in the sun for half an hour.

2)Do they lay in the sun for half an hour?

3)Yes, they do.

4)Where do they lay for half an hour?

They didn't lie in the sun for half an hour.

Did the lie in the sun for half an hour?

Yes,they did.

Where did they lie for half an hour?