"is this coat yours?No,it's not mine."此句中为什么要用yours和mine?

来源：学生作业帮编辑：搜狗做题网作业帮分类：英语作业时间：2024/04/28 22:27:25

yours,mine为名词性物主代词,名词性物主代词相当于一个形容词性物主代词+一个名词.
Is this coat yours?的肯定句为:This coat is mine.=This coat is my coat.但是,这句中出现两次coat,因此,我们不用形容词性物主代词,而改用名词性物主代词.
再问：此句中没有两个coat 呀麻烦再具体一点
再答：如果不用名词性物主代词,就应该写成,This coat is my coat.但是,这句中出现两次coat,因此,为了避免重复我们不用形容词性物主代词,而改用名词性物主代词.
再问：你确定？

"is this coat yours?No,it's not mine."此句中为什么要用yours和mine? this coat is not mine but yours whose pen is this?is it yours?no it's not mine.maybe it's() 王老师,Excuse me .Is this ( yours) (你的) hat?No,it's not mine.(我 —Is this coat _____? —Yes,it's _____. A.yours;mine B.your;my It is not yours,it is mine. John,is this computer game yours?No,it is not mine.Ask the t 1.Whose bike is it ( )(your/yours) NO,it's not( )(my/mine) ( Is this watch yours?No,mine is new._____Betty.I think it's h Is this hat like yours?No.It's()mine.A.different from B.diff is this coat yours?no,mine is hanging there behind the door ——Is this coat yours?——No,mine __there behind the door.