since the Internet came into being people's lives at home have changed这是一个定语从句吗

问题描述:

since the Internet came into being people's lives at home have changed这是一个定语从句吗

不是,你可以这样分析:Since the Internet came into being, people's lives at home have changed.
自从网络产生,人们在家里的生活就改变了.(since 引导的是时间状语从句)