Present participle; Past participle - berthing - berthed Present - berth - berth - berths - berth - berth - berth Past - berthed - berthed - berthed - berthed - berthed - berthed Future - will berth - will berth - will berth - will berth - will berth - will berth Present conditional - would berth - would berth - would berth - would berth - would berth - would berth Present Perfect - have berthed - have berthed - has berthed - have berthed - have berthed - have berthed Past Perfect - had berthed - had berthed - had berthed - had berthed - had berthed - had berthed Future Perfect - will have berthed - will have berthed - will have berthed - will have berthed - will have berthed - will have berthed Past conditional - would have berthed - would have berthed - would have berthed - would have berthed - would have berthed - would have berthed Imperative - - - berth - - - - - - - -