Are these your books?肯定回答

Are these your books?肯定回答 Are these your books?作否定回答 Are these your books?的否定回答 Are these your pants?的肯定回答 Are these your cousin?做肯定回答 Are these your parents 做肯定回答 are these your pens?做肯定回答 are these your suitcases 的肯定回答 Is this a car(作bou定回答)~2.Are these your books?(做肯定回答） 3.That My parents have a bike.变一般疑问句,并作肯定回答/Are these your books?变为 Are these your mew erasers?肯定回答：否定回答 These are your books,aren’t they?怎么回答