ell it, please.Р5Р1、一个电子游戏?2、在学校图书馆?3、向某人要某物?4、一些钥匙一串钥匙? 5、在7E教室里?6、给某人发邮件邮箱是......? 打电话给某人? 拨打电话号码......? 打电话给某人,电话号码是…?8、学生证身份证Рputer gameРin the school libraryРask sb.(某人) for sth.(某物)Рsome keysРa set of keysРin Classroom 7EРe-mail sb. at +邮箱地址Рcall sbРcall +电话号码Рcall sb at + 电话号码Рschool ID cardРID cardР主格人称代词Р宾格人称代词Р物主代词Р形容词性Р名词性РIРyouРheРsheРmeРyouРhimРherРmyРmineРyourРyoursРhisРhisРherРhersРen.Р主格人称代词Р宾格人称代词Р物主代词Р形容词性Р名词性РitРweРyouРtheyРusРyouРthemРyourРitsРourРoursРyoursРtheirРtheirsРitРitsР使用名词性物主代词应注意:?1.Mine=my book, 以免名词重复.?This is her book._____ is on the desk.?2.名词性物主代词后不能再接名词.РMineР名词性物主代词=形容词性物主代词+名词Р1.单数名词词尾加’s, 复数名词如果词尾没有s,也要加’s。?the boy's bag 男孩的书包?Mike‘s book 迈克的书?the children's room 孩子们的房间Р名词所有格Р2.若名词已有复数词尾s,只加’?the students’ bags 学生们的书包?the teachers’ reading-room 教师阅览室