Question

como es la estructura del past perfect en pregunta?

Answer 1

Estructura:

Auxiliar “had” + sujeto + pasado participio + complemento + ?

Answer 2

La estructura para interroacion:
question in the past perfect tense is had + [subject] + [past participle].

Had Tootles caused trouble in other neighborhoods before he struck ours?
What had they said that made him so angry?
Why had he agreed to work for that salary?
How much had he drunk before you got to him?