Fill in the Blanks The notions of PPerf and PPConOnline version Fill in the gaps in the notions of the Past Perfect and Past Perfect Continuous by Asiya Karmanova 1 ing form analytical have Indefinite be auxiliary participle to to interrogative Perfect notional 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 .