Ⅲ.凡不能用’s 属格的情况可用 of 属格表示所属关系。

　　the City of New York. a map of China.

　　特别是下列情况要用of 属格：

　　⑴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.

　　⑵所修饰的名词前有数量词时，

　　a play of Comrade Li’s. some friends of my brother’s .

　　⑶所修饰的名词前有一个指示代词时，

　　that performance of the teachers’ .

　　Ⅳ.双重所有格：

　　当of前面的名词有不定冠词、指示代词、疑问代词、不定代词或数词如 a, an, this, that, these, those, two, three, four, any, some, several, no, few ,another等修饰时，用双重所有格，双重所有格只用于表示人的名词并且都是特指的。

　　a poem of Lu Xun’s . a friend of his/hers .

　　Which novel of Dicken’s are you reading ?

　　some friends of my brothers’ .

　　5.几种特殊情况：

　　the key to the door. keys to the exercises.

　　notes to the text answers to the question

　　tickets for the film//movie

　　a check for $1500. anyone else’s book.

　　the monument to the people’s heroes.

　　the entrance to the station//cinema

　　在现代英语中of属格大都可用’s 所有格代替。

　　相关练习：

　　1---I feel tired. I have so much work to do and don’t have much time for myself,