Question

Caracteristile timpurilor past perfect simplu si continuous.

Answer 1

Past Perfect Simple: Exprimam actiuni incheiate la un moment dat in trecut. 
                               S + had + V - Pentru verbe regulate adugam ed la sfarsit 
                                                  - Pentru verbele neregulate scriem forma de participiu 

Past Perfect Continous: S + had + been + ing  
                                  Exemeplu: You had been playing tennis. 
Pentru intrebari pui "Had" in fata. 

Answer 2

Past Perfect Simpe
Actiune trecuta , anterioara altei actiuni trecute , ajunge in trecut 
A : S+had+Verb (forma a 3a)
I had done my homework before you came .
N: S+had not (hadn't)+V(forma a 3a)
I: Had+S+V(forma a 3a)
Past Perfect Continous
Incepe in trecut si depaseste momentul la care ne raportam 
cubinte ceie : for , since
A; S+Have+been+vb+ing
N: S+hadn't+been+vb+ing
I: Had+S+been+vb+ing