I saw advertisment in the newspaper which be adv

问题描述:

I saw advertisment in the newspaper which be adv
I saw advertisment in the newspaper
which be advertised from chinese
teacher yeaterday 这个句子是对的吗?语法是对的吗?如果错,错在哪儿

be 变成was, 后面时间状语是yesterday, 要主谓一致,时态一致.