Past perfect.

Estructura de la forma afirmativa.

Sujeto + had+ participio del verbo que se conjuga:

I had worked ( Yo había trabajado) / I´d worked

You had worked/ you´d worked

he had worked/ he´d worked

etc...

Estructura de la forma negativa.


Sujeto + had+ not + participio pasado del verbo que se conjuga.


I had not worked / I hadn´t worked


you had not worked / you hadn´t worked


he had not worked / he hadn´t worked

Estructura de la forma interrogativa:

had+ sujeto+ participio pasado del verbo que se conjuga.

had I worked?

had you worked?

had he worked?