一段大学英语课文句子分析Sittingatatablewithwritingpaperandmemoriesofthingseachhaddone,Itriedcomposinggenuinestatementsofheartfeltappreciationandgratitudetomydad.这个句子中memoriesofthingseachhaddone是

　　一段大学英语课文句子分析

　　Sittingatatablewithwritingpaperandmemoriesofthingseachhaddone,Itriedcomposinggenuinestatementsofheartfeltappreciationandgratitudetomydad.

　　这个句子中memoriesofthingseachhaddone是什么成分,如果是状语怎么会有动词