Completar frases The notions of PPerf and PPConVersión en línea Fill in the gaps in the notions of the Past Perfect and Past Perfect Continuous por Asiya Karmanova 1 have participle Indefinite be to auxiliary interrogative analytical form Perfect notional ing to The Past Perfect is an form which is built up by means of the verb in the Past and the of the notional verb . The same auxiliary is used to form the and negative forms . The Past Perfect Continuous is an analytical form which is built up by means of the auxiliary verb in the Past and the - of the verb .