He didn't buy anything yesterday.怎样变为被动语态.
如果变为:Anything wasn't bought by him yesterday.觉得别扭.
如果变为:Nothing was bought by him yesterday.原句子的结构变了.怎么变好呢?
Thankssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss.for your help!