I had lunch at half past twelve 是不是主系表结构?
问题描述：
I had lunch at half past twelve 是不是主系表结构?
答
不是 典型的主谓宾结构 主系表的三要素是 :主语 + 系动词 (am / is / are) + 表语
句子中 主语是 I 谓语是 had 宾语是 lunch at half past twelve 是时间状语