Present participle; Past participle - accessioning - accessioned Present - accession - accession - accessions - accession - accession - accession Past - accessioned - accessioned - accessioned - accessioned - accessioned - accessioned Future - will accession - will accession - will accession - will accession - will accession - will accession Present conditional - would accession - would accession - would accession - would accession - would accession - would accession Present Perfect - have accessioned - have accessioned - has accessioned - have accessioned - have accessioned - have accessioned Past Perfect - had accessioned - had accessioned - had accessioned - had accessioned - had accessioned - had accessioned Future Perfect - will have accessioned - will have accessioned - will have accessioned - will have accessioned - will have accessioned - will have accessioned Past conditional - would have accessioned - would have accessioned - would have accessioned - would have accessioned - would have accessioned - would have accessioned Imperative - - - accession - - - - - - - -