句子成分分析Ontheotherhand,happinessisadeepfeelingofjoythatoftenlastsalongtime.分析句子成分（主语谓语状语定语什么的,从句的也要）

Question

句子成分分析
On the other hand ,happiness is a deep feeling of joy that often lasts a long time.分析句子成分（主语谓语状语定语什么的,从句的也要）

Answer 1

On the other hand ,happiness is a deep feeling of joy that often lasts a long time.分析句子成分（主语谓语状语定语什么的,从句的也要）
状语：on the other hand(另一方面)
主语：happiness (幸福)
系动词：is (是)
表语：a deep feeling of joy( 一种深度愉快/喜悦/高兴)
修饰表语的定语从句：that often lasts a long time (经常能持续很长一段时间)
定语从句语法结构分析
主语：that 指代前面表语所指内容
状语：often (经常)
谓语：lasts(持续)
状语：a long time(很长一段时间)