Present participle; Past participle - excavating - excavated Present - excavate - excavate - excavates - excavate - excavate - excavate Past - excavated - excavated - excavated - excavated - excavated - excavated Future - will excavate - will excavate - will excavate - will excavate - will excavate - will excavate Present conditional - would excavate - would excavate - would excavate - would excavate - would excavate - would excavate Present Perfect - have excavated - have excavated - has excavated - have excavated - have excavated - have excavated Past Perfect - had excavated - had excavated - had excavated - had excavated - had excavated - had excavated Future Perfect - will have excavated - will have excavated - will have excavated - will have excavated - will have excavated - will have excavated Past conditional - would have excavated - would have excavated - would have excavated - would have excavated - would have excavated - would have excavated Imperative - - - excavate - - - - - - - -