The Pluperfect Tense

Question 1

What do you use this tense for?

Answer 1

A compound tense used to talk about what ‘had’ happened
Europa había acordado incrementar el uso de biocombustibles
Europe had agreed to increase the use of biofuels

Question 2

How do you form this tense?

Answer 2

The imperfect tense of the auxiliary verb haber (había, habías, había, habíamos, habíais, habían) + the past participle
Se había acostado - he had gone to bed
No longer habíamos visto - we hadn’t seen him