关于同位语的标点的一个问题?比如说I,astheoldeststudentinthisclass,should.还是Iastheoldeststudentinthisclass,should.还是Iastheoldeststudentinthisclassshould.

Question

关于同位语的标点的一个问题?
比如说
I,as the oldest student in this class,should.
还是 I as the oldest student in this class,should.
还是I as the oldest student in this class should.

Answer 1

1.第一种正确.
如果是较为复杂的同位语,最好用逗号和句子其他成分隔开.
2.另：楼主的这个句子从语法上说并不是同位语,必须改成：
I,the oldest student in this class,should.