britain was the first country in the word to have a free health system能改成用定语从句修饰country的为什么这里用不定式做定语

问题描述:

britain was the first country in the word to have a free health system能改成用定语从句修饰country的
为什么这里用不定式做定语

Britain was the first country in the world that has a free health system

britain was the first country in the word who has a free health system

不定式作定语通常表示一个将来的动作,有时也可以表示某一过去的特定动作.Britain was the first country that/which had a free health systemTHAT 和 WHICH 都可以引导 因为COUNTRY无生命 不能用WHO 或者WHOM时态要...