Present participle; Past participle - erecting - erected Present - erect - erect - erects - erect - erect - erect Past - erected - erected - erected - erected - erected - erected Future - will erect - will erect - will erect - will erect - will erect - will erect Present conditional - would erect - would erect - would erect - would erect - would erect - would erect Present Perfect - have erected - have erected - has erected - have erected - have erected - have erected Past Perfect - had erected - had erected - had erected - had erected - had erected - had erected Future Perfect - will have erected - will have erected - will have erected - will have erected - will have erected - will have erected Past conditional - would have erected - would have erected - would have erected - would have erected - would have erected - would have erected Imperative - - - erect - - - - - - - -