We thank you for your letter DATED January 3.这里的dated是过去分词么 是过去分词在里边做宾语补语么 还是过去分词做定语.
问题描述：
We thank you for your letter DATED January 3.
这里的dated是过去分词么 是过去分词在里边做宾语补语么 还是过去分词做定语.
答
dated January 3 为过去分词词组,（由于表示被动含义,故用过去分词）作后置定语,意义相当于一个定语从句,可转换成We thank you for your letter that/which was dated January 3.此规则是英语里一个很常见的语法现象...