PAST PERFECT

Form of Past Perfect Simple

	Positive	Negative	Question
no differences	I had spoken.	I had not spoken.	Had I spoken?

Tempo verbal formado pelo auxiliar to have + past participle do verbo principal.  

Expressa uma acção que aconteceu antes de outra no passado simples (de duas ações passadas é a que acontece em primeiro lugar). É comum vir acompanhado de conjunções como before, after, when:

 

Use of Past Perfect

• action taking place before a certain time in the past
  (putting emphasis only on the fact, not the duration)
  Example: Before I came here, I had spoken to Jack. Type III (condition that was not given in the past) 
  Conditional Sentences type III
• Example: If I had seen him, I would have talked to him.

Signal Words

• already, just, never, not yet, once, until that day (with reference to the past, not the present)
• If-Satz Typ III (If I had talked, …)

EXERCISES: 

http://www.englisch-hilfen.de/en/exercises/tenses/past_perfect_simple_past.htm