he和she是宾格,意思是,他和她.做主语,通常放在句首.He lves me.或She loves me.
him是宾格,放在动词后面.意思是他或者她.I love him.
his和her是形容词性物主代词,放在名词前面.意思是他的,或者她的.his book或者her book
his 也是名称性物主代词,经常放在句末.one friend of his相当于 one his friend.
初一,要好好学哦,特别是语法、词性.