Indicative ich hatte gekauft wir hatten gekauft subjunctive ich hätte gekauft wir hätten gekauft The existing participle (Partizip I) as well as earlier participle (Partizip II) are applied in lieu of conjugated verbs or adjectives. Participle II is utilized to variety compound tenses and also the passive variety in German. https://goldmnzenverkaufen97531.wikigdia.com/6298556/a_review_of_kaufen