Question

How to write a horror story introduction .

Answer 1

Primero, debes aprender de los Narrative tenses. 

Estos son:

Past simple: Usado para hablar de acción importantes, main events.
Past continuous: Usado para crear ambiente o describirlo, background.
Past perfect: Usado para referirse a acciones que suceden antes que los main events.
Past perfect continuous: Usado para hablar de acciones que se repiten antes de los main events.

Un ejemplo.

I was walking to my home when I saw my door open. The house was empty, the robbers had already gone. The watchman was sleeping when I went to talked to him. No one had been watching out my house!