Refers to book, and memorises: Mein Bruder hat Ihren Herrn Vater nicht gesehen, als er gesternin dem Laden des deutschen Kaufmannes war.
I gathered as soon as I received the despatch that for some reason or other Fisch von Gestern was anxious to see me, having, as I instantly inferred, something to say to me.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "gestern" in a variety of sentences. We hope that you will now be able to make sentences using this word.