PAST SIMPLE.

 Affirmative.

I/He/She/It/We/You//They +pas simple.
  ej: They moved tos Spain last year.

Negative.

I/He/She/It/We/You/They +did´not (didn´t) +infinitivo.
   ej: I didn´t enjoy the film.

Interrgative.

Did + I/he/she/it/we/you/they +infinitivo?
   ej: Did she meet her friends?