用名代:mine,yours,his,hers,its,ours,yours,theils各造句两答:s hers.those cakes are hers.I have a dog.this ball is its.these bags are ours.your bags are over there,these are ours.are these pens yours?No,they are theirs.名词性物主代词和形容词性物主代词的区别在于:形代后有名词,例如your book,名代后没有名词,它自己已经是一个名词。