Question

请老师帮我分析详细分析一下这个长句．这个结构太复杂了！～

we should live each day with a gentlness,a vigor ,and a keenness of appreciation which are often lost when time streches before us in the constant panorama of more days and months and years to come

Answer 1

主语we
助动词should
谓语live
宾语each day
方式状语with a gentlness,a vigor ,and a keenness of appreciation
定语从句which are often lost
定语从句中的状语从句：when time streches before us in the constant panorama of more days and months and years to come

Answer 2

with a gentlness,a vigor ,and a keenness of appreciation which are often lost 是we should live each day 的定语
当中which are often lost 是a gentlness,a vigor ,and a keenness of appreciation的定语
when引导的是个比较长的时间状语
in the constant panorama of more days and months and years to come
是time streches before us 的状语