剑桥KET语法：用 's 表示名词所有格

　　名词的所有格主要用来表示名词与名词之间的所属关系，中文可以翻译为“…… 的”。's所有格主要表示有生命的事物的所有格。

　　1、不 以 s 结尾的名词后面加's

　　boy→boy's Mary→Mary's children→children's

　　2、以 s 或 es 结尾的名词后面加'

　　boys→boys' teachers→teachers' ladies→ladies'

　　3、并列名词的所有格

　　在并列的几个名词后面同时加上's, 表示物体分别属于某人；在并列的几个名词的最后 一个名词后加's, 表示物体为几个人共同拥有，如：

　　Lily and Lucy's bedroom

　　莉莉和露西共同拥有一间卧室

　　Lucy's and Lily's bedrooms

　　露西和莉莉两个人各有一间卧室

　　4、复合名词或短语的所有格

　　在复合名词或短语中， 's加在最后一个词的词尾，如：

　　a month and a half's vacation 一个半月的假期

　　1单项选择：请从下列选项中选出正确的选项。

　　1.That Ferrari isn't my car.It's___________

　　A.the car of Sean B.Sean's car C.Seans'car

　　2.—Is this a photo of your house?

　　—No,it's my___________

　　A.parents'house B.parent's house C.parents house

　　3.—Whose is this jacket?

　　—It's___________

　　A.my B.mine C.mine jacket

　　4.They aren't coming to our house.We're going to___________

　　A.their B.their's C.theirs

　　5.Excuse me,I'm looking for ___________ .

　　A.men's jeans B.mens'jeans C.mens's jeans

　　6.Shall I give the cat___________?

　　A.it's food B.its food C.its'food

　　7.These are my boots and those are ___________

　　A.yours B.your C.your's

　　8. Don't use that toothbrush.It's ___________

　　A.Jakes' B.Jake's C.the toothbrush of Jake

　　2用括号内所给单词的所有格形式填空。

　　1. It is ___________ (Lucy)school bag.

　　2. What's the ___________(girl)name?

　　3.My grandmother is my ___________ (father)mother.

　　4. This is ___________ (John and Mike)bike.

　　5. ___________(Lucy and Lily)mothers went shopping together yesterday.

　　6.It's my___________(sister)jacket.

　　7. She is ___________(Jane)teacher.

　　8. This is ___________(Mike)football.

　　9.Today is my ___________ (mother)birthday.