单数句变复数句的问题this is his case.变复数句后本该为:these are their cases.但是有的学生却是这样写的:these are his cases.人称代词不做变化对吗 但是他们刚上初一到底该怎么给他们说呢

问题描述:

单数句变复数句的问题
this is his case.变复数句后本该为:these are their cases.
但是有的学生却是这样写的:these are his cases.
人称代词不做变化对吗 但是他们刚上初一
到底该怎么给他们说呢

你也是老师吧?我觉得,作为初一的学生,应该教会他们用第一种方法解题,也就是要求他们在练习中学会单词的“一一对应”关系.
祝你好运!