El Pluscuamperfecto de Subjuntivo

The pluperfect subjunctive is formed with the past subjunctive of haber + the past participle of the verb you would like to use. There are two kinds of endings, one for -ar verbs and one for those ending in -er or -ir.

ojo2.gif - 639 BytesThe past participle always ends in "o". You don't have to match it with the subject.
 
  

Infinitive ending in -ar Infinitive ending in -er or -ir
hablar comer vivir
yo hubiera habl ado com ido viv ido
hubieras habl ado com ido viv ido
él, ella, Ud.  hubiera habl ado com ido viv ido
nosotros/ as  hubiéramos habl ado com ido viv ido
vosotros/ as  hubiérais habl ado com ido viv ido
ellos, ellas, Uds.  hubieran habl ado com ido viv ido
  The following verbs and those derived from them have some irregularity:  
abrir abierto opened
cubrir cubierto covered
decir dicho said
escribir escrito written
freír frito written
hacer hecho done
morir muerto died
poner puesto put, set
resolver resuelto resolved
romper roto broken
satisfacer satisfecho satisfied
ver visto seen
volver vuelto returned
  As you can see, there are also irregular past participles in English. For more information on past participles click here . Some examples of verbs derived from the above infinitives are: descubrir, contradecir, describir, deshacer, componer, devolver  etc.