This was during a time when my painting artistic expression was drawing,usually with crayons.句子成分分析
问题描述：
This was during a time when my painting artistic expression was drawing,usually with crayons.句子成分分析
答
this 指代事件
was during a time 时间从句
when 先行词
my painting artistic expression 主语
was be动词
drawing
usually with crayons 频率副词+表语从句