Present participle; Past participle - companioning - companioned Present - companion - companion - companions - companion - companion - companion Past - companioned - companioned - companioned - companioned - companioned - companioned Future - will companion - will companion - will companion - will companion - will companion - will companion Present conditional - would companion - would companion - would companion - would companion - would companion - would companion Present Perfect - have companioned - have companioned - has companioned - have companioned - have companioned - have companioned Past Perfect - had companioned - had companioned - had companioned - had companioned - had companioned - had companioned Future Perfect - will have companioned - will have companioned - will have companioned - will have companioned - will have companioned - will have companioned Past conditional - would have companioned - would have companioned - would have companioned - would have companioned - would have companioned - would have companioned Imperative - - - companion - - - - - - - -