一、小学英语形容词性物主代词
1、形容词性物主代词8个：
My your his her its our your their
我的你的他的她的它的我们的你们的他(她、它)们的
2、形容词性物主代词的特点：
1)译成汉语都有"的" eg:my 我的 their 他们的
2)后面加名词：eg:my backpackhis name
3)前后不用冠词 a an the
This is a my eraser(错误)
That is your a pen(错误)
It's his the pen(错误)
3、I(物主代词)my you(物主代词)your he (物主代词)her we (物主代词) our 注：在变物主代词时，把原题所给的词加上的，再译成单词就可以了。
二、小学英语名词性物主代词
1、名词性物主代词和形容词性物主代词一样有8个：
Mine yours his hers its ours yours theirs
我的你的他的她的它的我们的你们的他(她、它)们的
2、 名词性物主代词的特点：
1)译成汉语都有"的"
2)后面不加名词
3)名词性物主代词=形容词性物主代词+名词
Eg:1、the pen is mine 钢笔是我的(mine=my pen)
三、小学英语单数的句子变成复数的句子
把单数的句子成复数的句子很简单：变法是把能变成复数的词变成复数，但a或an要把去掉。特殊疑问词、形容词、国家及地点通常不变。
Eg:把下列句子变成复数
1, I have a car ----we have cars
2, He is an American boy. ----They are American boys
3, It is a car ----They are cars
4,This is an eraser ----These are erasers
5,That is a backpack -----Those are backpacks
6,I'm an English teacher ------We are English teachers
7,It's a new shirt---- They are new shirts
8,He's a boy ----They are boys
9,She's a singer ------They are singers
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