The only French city she enjoyed was Paris这句话属于什么句型 我看不懂

主系表.was系动词.paris宾语.she enjoyed 是修饰the only French city的.主语从句吗、。？不是从句。主语从句应该是把一个句子里的宾语或者主语摘掉再加上what/whom之类或者把一整个句子前面直接加that。或者为防止头重脚轻而采用it's xx that...这个句子就是普通的主系表。