名词所有格名词所有格它主要包括's 所有格、of 所有格和双重所有格三种表现形式。
A. 's 所有格的用法1. 表示有生命的东西的名词末尾加’s。
例如：Jim's bed, the man's wife,children's toys, the fox's tail2. 以-es或-s结尾的名词末尾加"'s"。
例如：the students' books,Teachers' Day, my boss' office, a girls' dormitory3. 有些表示时间、距离、度量衡、价值、自然现象、国家、城镇等无生命东西的名词，也可以加's 构成所有格。
例如：today's newspaper, five minutes' walk，表示两者共同拥有的人或物（共有）时，只需要后一个名词加's（或'）即可。
如果表示两者各自的所属关系（各自所有），则每个名词词尾都加上's（或’）。
例如：Joa n and Jan e's roo m（房间属二人共同所有）Joan's and Jane's room（指Joan禾口Jane各自的房间）an hour and a half's walk （步行一个半小时的路程）4. 's 所有格所修饰的词的省略现象（1）表示诊所、店铺或某人的家等地点名词，其名词所有格后的被修饰语常常省略。
例如：I met her at the doctor's（office ）．我在诊所遇见了她。
He has gone to the tailor's（shop）.他至U服装店去了。
She went to Mr . Black's （house）yesterday.她昨天到布莱克先生家去了（2）名词所有格所修饰的词，如果前面已经提到过，往往可以省略，以免重复。
例如：Whose pen is this? It's Tom's.这是谁的钢笔？是汤姆的。
The bike is not mi ne, but Wang Pi npi n's.这辆自行车不是我的，是王品品的。
B. of 所有格的用法:of 所有格由of 加名词构成,其用法归纳如下：1. of 所有格一般用于无生命的东西的名词中。
例如：a map of the world,the story of a hero, the windows of the room, the title of the film2. 用于名词化的词。
例如：the sticks of the blind 盲人的拐杖3. 修饰词较多时也可用of 所有格。
例如：the very long and graceful tail of the black cat 黑猫的又长又美的尾巴4. 表示有生命的东西的名词,有时也可以用of 所有格。
例如：the children of the family 那家的孩子们5. 某些of所有格和's所有格可以互换。
the son of a poor peasant = apoor peasant's son 一个贫农的儿子6. 某些of 所有格和's 所有格互换,有时含义却不相同,请比较下面的例子：an old woman's story （一个老妇人讲自己的身世）the story of an old woman （别人讲一个老妇人的身世）7. 起修饰作用的名词，如不表示所有关系，通常不用' s。
例room number，tooth brushC. 双重所有格及其用法's所有格和of所有格两种所有格形式结合在一起，构成"of+所有格" 形式，即双重的所有格。
它通常表示部分观念，即全体中的一部分，在意义上与"one of..."相似，它主要修饰of短语之前的那个名词。
此外，双重所有格与指示代词连用时，常带有感情色彩，如赞赏、不满、厌恶等。
它的主要形式如下：1. 名词+ of+名词性物主代词。
例如：a good friend of mine 我的一个好朋友an interesting story of his 他的有趣的经历2．名词+ of+'s 所有格。
例如：He is a friend of my sister's （= one of my sister's friend^ 他是我姐姐的一个朋友Look at that long nose of Jack's看杰克的那个长鼻子。
（感情色彩）试比较：a picture of Xiao Zhang 小张（本人）的照片a picture of Xiao Zhang's 小张（所拥有的照片中）的一张照片3．不定冠词、数词、某些不定代词（some，any，many，no，few等）以及which 等限定词，一般不与形容词性物主代词或's 所有格等一起放在名词前修饰名词，而采用of 所有格或双重所有格形式。
例如：most of the students 学生中的大多数three of them 他们中的三个人I have read some books of hi．s 我读过他的一些书Which book of Qiong Yao's have you read ?你读过琼瑶的哪一本书？'s 所有格、of 所有格和双重所有格三者之间的细微区别请仔细比较下面三句话：1．She is Mary's brother's friend．2．She is a friend of Mary's brother．3．She is a friend of Mary's brother's．1 句用的是's 所有格，侧重说明她和Mary 的哥哥是朋友关系，突出friend 一词。
2 句用的是of 所有格，侧重说明她和Mary 的哥哥是朋友关系，强调突出了Mary's brother。
3 句用的是双重所有格，侧重说明Mary 哥哥的朋友不止是一个，她只是其中的一个。
用所给词的适当形式填空：1.March 8th is __________Day. (woman).2. ____________________Taking twenty (分钟) exercise every day is good for yourhealth.3. _____________________ The shop sells 妇( 女) handbags.4. ______________________________________ Teachers in western countries have a __________________________ (三个月的) holiday in a year.5.I ' ll give my English teacher a card for ___________ Day. (teacher)6.It ' s only ten __________ waolmk ftrhe station to the hotel. (minute)7.It ' s an ___________ (hour) ride from here to the museum.选择填空：1．How' s Joy ' s skirt?--- Her skirt is more beautiful than ______ .A.her sister 's and BK.aht e r sister and KateC.her sister and KateD.h'er s sister ' s and Kate 's2．This is _____ room. The twin sisters like it very much.A.Lucy 's and LilyB.Lu'cy s' s and LilCy .Lucy and Lily3．In _____ time, those mountains will be covered with trees, too.A.few yearsB.a few years 'C.a few yearD.a fewyear 's4．We will have a __________ holiday after the exam.A. two mon thB. two -monthC. two mon th 'D. two -mon ths 5．Did you hear the _________ report?A. policemenB. policemen 'C s.policemens D' . policemens 6．It ' s about __________ walk from my home.A. ten minuteB. ten minutes C' .ten minute 'D.s ten minutes 7．This is my dress. That one is _____________ .A. MaryB. Mary 'sC. sisterD. mother8．Every morning Mr. Smith takes a ______ to his office.A. 20 minutes walkB. 20 minute ' ws alkC. 20-minutes walkD.20-minute walk9．Where is __________ sweater ? I can ' t see it.A. LucyB. LucysC. Lucy 's10．________ mothers made them have piano lessons.A. Peter and AnneB. Peter ' s and AnneC. P'e s ter ' s and AnneD.Peter and Anne 's11．The room on the right is _____ .A. herB. sheC. Lucy 'D s. Lucy12．We' ll have a ___________ holiday. What about going to the WestLake?A. two daysB. two-dayC. two-daysD. two-days '13．The market isn ' t far from here. It ' s only ____________ bicycle ride.A. half an hoursB. h'alf an hour 'sC. half an hourD. an hour and a half14．Where' s your father ? At _________ .A. Mr Green 'sB. Mr. GreenC. the Mr. Green 's15 ．The twin brothers always put small presents in__________ s tockings on Christmas Day.A. each other 'B.s each otherC. each othersD. each others '16．My father will have a _______ holiday next mont h. He ' ll take meto Qingdao.A. ten daysB. ten days C'. ten-days D. ten day 's17．Where have you been these days?I have been to Bei Daihe with a friend ________ .A. in ChineseB. of JapanC. of American 'D.s from Canada 18．When we saw the film Hero, I sat between Ted and Ben. That is to say my seat was between ___________ .A. Ted and BenB. Ted ' s and BenC. Ted and Ben 'D.s Ted ' s and Ben 's19．It is said that SARS has killed more than _____________ people worldwide.A. three hundredsB. three hundreds 'C. three hundred 'D s. three hundred20．Kate won the _____ race in the summer sports meeting.A. 100-metreB. 100-metresC. 100 metreD. 100 metre 's 21．Whose bike is it ? It ' s _____________ .A. JohnB. John 'sC. Johns 'D. Johns22．I ' ll give you _______ to finish the work. OK.A. two week ' s timeB. two weeks ' timeC. two week timeD. two weeks time23． ______ desk is the cleanest in the classroom.A. Ann ' s and TomB. Ann andTom'sC. Ann and TomD. Ann ' s and Tom 's24．My pen is black. _______ is blue.A. KatesB. KateC. Kate 's25．Is this your room? No, it ' s __________ room.A. the childrenB. the children 'sC. of the childrenD. the childrens '26．Who is the man in the blue car? He is ________ father.A. Kate 's and MaryB. 'Ka s te and Mary 'sC. Kate and MaryD. of Kate and MaryAnswers:1－5 DCBBB 6－10 BBDCB 11－15 CBBAA 16－20 BDDDA 21－26 BBBCBB1.Wome'n s2. minutes '3. wome4n. th're s e months 5'. Teachers 6'. minutes '7. hour 's。