Ado, ido, so, to, cho.
Mi mama había limpiado.
Pasado perfecto
Had + sujeto+ v.p.p
Formula (affirmative)
Formula (question)
¿Mi primo se había ido a Europa a estudiar?
I had paid for my Netflix subscription.
Ya me había quedado dormido antes de las 10.
I had already fallen asleep before 10.
All pronouns.
The HAD auxiliary is used with the pronouns:
Past perfect
Talk about an action that began in the past and ended in the past.
Had you forgotten all my problems?
Had we ____ lent money __ ___ many times?
¿Nosotros habíamos hablado por más de dos horas?
Sujeto + hadn´t + v.p.p
Había tomado todas sus tierras.
Si hubiera estudiado habría aprobado el examen.
David había robado la tienda.
We hadn’t prepared at all before we took that test.
Formula (negative)
My mom had cleaned.
No nos habíamos preparado en absoluto antes de tomar esa prueba.
Had we looked everywhere for the keys?
Had / to you
Se usan verbos en pasado participio cuando terminan en:
If she had studied she would have passed the exam.
I had taken all of their lands.
Had my cousin gone to Europe to study?
¿Nosotros habíamos buscado en todas partes las llaves?
At this time only the auxiliary is used:
Had
Sujeto + had + v.p.p
¿Yo había olvidado todos mis problemas?
Had we talked for more than two hours?
David had stolen in the store.
What is the past perfect used for?