1.Mary likes to make a snowman. - Does Mary like to make a snowman ?
2.Ann likes to skate.3.We like to sledge. - Does Ann like to skare ?
4.They play snowballs every winter. - Play they snowballs every winter ?
5.You can ski in January. - Can you ski in January ?
6.It is snowy in winter. - Is it snowy in winter ?
Думаю что так надо