The pluperfect subjunctive is used in
three main ways:
To express subjectivity in the past after the same verbs,
impersonal expressions, and conjunctions as the
present subjunctive. For the pluperfect subjunctive to be needed, the
verb in the main clause has to be in one of the following tenses/moods:
preterite, imperfect, or conditional.
Quería que tú lo hubieras hecho.
I wanted you to do it.
Fue una lástima que no hubiera podido venir.
It was too bad that he couldn't come.
Estaba triste de oír que su padre hubiera muerto.
It was sad to hear that his father had died.
To express a wish, after ojalá que, that something had
happened differently in the past.
The pluperfect subjunctive is a compound verb
formed with the imperfect subjunctive of
the auxiliary verb haber + the
past participle of the main verb. Remember that the imperfect subjunctive
has two sets of conjugations, thus the pluperfect subjunctive has two sets of