he had the house painted blue when they moved in,___?

问题描述:

he had the house painted blue when they moved in,___?
did he
had they
didn't they
hadn't they

did not they?
首先用否定.
此处虽然有had,但had 在这里是实义动词,并非过去完成时里的助动词.即have sth done.