用过去分词提问的句子怎么回答?

题目

用过去分词提问的句子怎么回答?
怎么变疑问句?否定句?

答案

变疑问句就是 疑问词+一般疑问句 / 变否定句即在助词后直接加否定词not
例如:I had gone home last night.
When had you gone home?
I had not gone home last night.