小学英语 Unit5 Lesson 2 It's not your bag课件2Lesson2It'snotyourbagWhoseisit?chaircrayonsscissorsdiarytowelstoothbrushkeystrousersglasses名词性物主代词mineyourshishersitsoursyourstheirs单数复数名词性的物主代词在用法上相当于省略了中心名词的 --'s属格结构,Jack'scap 意为 ThecapisJack's.Hiscap 意为 Thecapishis.Thisismycat.Thecatismine.Thoseareh...