【iwasshockedwheniheardthenewsthathisfatherdiedyesterday这句子有错误吗?前面有was,yesterday应该是过去的过去才对吧?】

　　iwasshockedwheniheardthenewsthathisfatherdiedyesterday这句子有错误吗?

　　前面有was,yesterday应该是过去的过去才对吧?