Задайте общий вопрос и все виды специальных вопросов к предложению: in the winter, many people skate on frozen ponds and skating rinks.

Do many people skate on frozen ponds and skating rinks in winter?

How many people skate on the frozen ponds and skating rinks in winter?

Where do many people skate in winter?

When do people skate on the frozen ponds and skating rinks?

What ponds do people skate in winter?

What do people do in winter?