Сязыком. оксвардский учебник, 2 издание пример: the girls/wearing/jeans? are the girls wearin jeans? yes,they are. 1. the dog/sitting down? (не сидит, как написать ответ и вопрос) 2.the girls/standing up? (да, ответ и вопрос) 3. they/drinking? (нет, ответ вопрос) 4.the sun/shining (да, вопрос) 5.the girls/chatting/on their mobiles? (нет, вопрос и ответ)
Are the girls standing up? Yes, the are.
Are the drinking? No, they aren't.
Is the sin shining? Yes, it is.
Are the girls chatting on their mobile phones? No, they aren't.