Present participle; Past participle - irritating - irritated Present - irritate - irritate - irritates - irritate - irritate - irritate Past - irritated - irritated - irritated - irritated - irritated - irritated Future - will irritate - will irritate - will irritate - will irritate - will irritate - will irritate Present conditional - would irritate - would irritate - would irritate - would irritate - would irritate - would irritate Present Perfect - have irritated - have irritated - has irritated - have irritated - have irritated - have irritated Past Perfect - had irritated - had irritated - had irritated - had irritated - had irritated - had irritated Future Perfect - will have irritated - will have irritated - will have irritated - will have irritated - will have irritated - will have irritated Past conditional - would have irritated - would have irritated - would have irritated - would have irritated - would have irritated - would have irritated Imperative - - - irritate - - - - - - - -