Sumario es un gran resumen pero estoy harta de publicarlos y responder a la misma pregunta

PERSONAS PRESNT PAST PARTICIPIO
I (yo) am was been
SINGULAR is was been
PLURAL are were been


PASSIVE VOICE: to be+participio

3º columna de los irregulares/ed

Buy-bought-bought

Forget-forgot-forgotten

Paly-Played-Played

Eat-ate-eaten



ACTIVE: Putown Berbenerow bought a barbie for his monkey yesterday

PASSIVE:A barbie was bought for his monkey yesterbay by Putown Berbenerow

ACTIVE: They ate apples on the park one year ago

PASSIVE: The apples were eaten on the park one year ago

ACTIVE: The teacher send exercises from the worbuk for homework to her students

PASSIVE: The exercises from the workbook are sent for homework to her students by the teacher

ACTIVE: Francisco Franco died the 20th of November of 1975

PASSIVE: The 20th of November of 1975 Francisco Franco were dead.

ACTIVE: She brush her teeth every morning at 8 o´clock

PASSIVE: Her teeth are brushed every morning at eight o´clock

ACTIVE: We must write some letters for him

PASSIVE: Some letter must be written for him

ACTIVE: Terrerito Pito eats pipas with cover

PASSIVE: Pipas with cover are eaten by Terrerito Pito

ACTIVE: Ascensión doesn´t use smartphones at classroom

PASSIVE: Smartphones at classroom aren´t being used by Acensión