名词的所有格:1、s 所有格:1)构成:A. 一般词尾+ s.:the teachers office, Xiao Lis sisters husbands mother.B. 以 s 结尾的复数名词只+ : workers rest room.C. 不以s结尾的复数名词加s: childrens toys.D. 复合名词只在最后一个词的后面加 s: my sister-in-laws brother.E. 表示一同所有些几个名词,只在最后一个词的后面加s: This is Tom, James and Dicks room.F. 表示每个所有关系的几个名词,在每一个名词后分别加s:Jennys, Jeans and Marys rooms face to the south.G. 名词短语只在最后一个词后加 s: a quarter of an hours talk.2)使用方法:A. 名词所有格主要用于表示有生命的名词,表示所属关系: Lei Fengs dairy.B. 用于表示时间的名词: todays paper. an hours drive. Fridays work.C. 用于表示地理、国家、城市等名词: the countrys plan. the farms fruit. Chinas population.D. 用于表示由人组成的集体名词: our partys standE. 用于表示度量、价值的名词: two dollars worth of books. a pounds weight.2、of所有格:1)凡不可以用s 属格的状况可用 of 属格表示所属关系:the City of New York. a map of China.2)下列状况一般要用of 属格:A. 当名词有较长的定语时:the name of the girl standing at the gate.Have you read the articles of the students who were with us yesterday.