求高人分析此英语句子He became interested in two theories that possibly explained how cholera killed people.
问题描述：
求高人分析此英语句子
He became interested in two theories that possibly explained how cholera killed people.
答
that 引起的是定语从句。替代先行词two theories在从句possibly explained how cholera killed people.中做的是主语。
他对两个可能解释霍乱是如何杀死人们的理论很感兴趣。
答
He主语
became系动词
interested in 表语
two theories介词宾语
that possibly....定语从句修饰theories
答
He主语 became谓语 interested 表语in two theories介宾 that possibly explained how cholera killed people.（that引导同位语从句） 【希望帮助到你,若有疑问,可以追问~~~祝你学习进步,更上一层楼!(*^__^*)】...