she is thta first to come to school.she is the first to come to school.其中to come 是什么用法?

问题描述:

she is thta first to come to school.
she is the first to come to school.
其中to come 是什么用法?

她是第一个去学校的
the first to do sth
第一个做什么的

目的状语

已经有be动词is了,出现第二个动词用TO连接,可以表目的也可以是宾补

是宾语补足语,补充说明是什么的“第一个”