Are these your pants?的肯定回答

Are these your pants?的肯定回答 are these your suitcases 的肯定回答 如何否定回答--Are these your baby pants 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 books?肯定回答 Are these pants black?(改为肯定句) Are these your mew erasers?肯定回答：否定回答 these are your baby pants. 什么意思? These are your baby pants.汉意 Are these your sisters?（作肯定回答）