Horror Story

One day, in Ins Montbui when the pupils were un class, the windows and the door opened. The pupils were very scared and the Potatoe teacher turned into horrible monster. Marta and Ana were very scared and tried  escape trough the window but the Potatoe caught and brought in class.While the Potatoe left class others marched trough the window but other teacher saw and and they return to class and the Potatoe was very angry and started breaking things.
After an hour was becoming the teacher of english and horrible monster disappeared but is was too late because two students they had already disappeared.