when did you start wroking? I started work when I was twenty-two.why第一句start 用动名词而后句过去为什么第一句是动名词，第二句式动词原型。
问题描述：
when did you start wroking? I started work when I was twenty-two.why第一句start 用动名词而后句过去
为什么第一句是动名词，第二句式动词原型。
答
When did you start wroking?的wroking是宾补.
I started work when I was twenty-two.的work是宾语.