if i have any further news ,you will be the first people (to know).为什么用不定式作定语呢

if i have any further news ,you will be the first people (to know).为什么用不定式作定语呢
if i have any further news ,you will be the first people (to know).为什么用不定式作定语呢

if i have any further news ,you will be the first people (to know).为什么用不定式作定语呢
这是一个很常见的用法~都约定俗成了
be the 序数词 + 名词 + to do
其实这里不定式的作用就和一个定语从句一样
第一个【知道的】人
LZ是觉得应该用什么呢..

因为这里用了序数词first来修饰people.