Present participle; Past participle - abbreviating - abbreviated Present - abbreviate - abbreviate - abbreviates - abbreviate - abbreviate - abbreviate Past - abbreviated - abbreviated - abbreviated - abbreviated - abbreviated - abbreviated Future - will abbreviate - will abbreviate - will abbreviate - will abbreviate - will abbreviate - will abbreviate Present conditional - would abbreviate - would abbreviate - would abbreviate - would abbreviate - would abbreviate - would abbreviate Present Perfect - have abbreviated - have abbreviated - has abbreviated - have abbreviated - have abbreviated - have abbreviated Past Perfect - had abbreviated - had abbreviated - had abbreviated - had abbreviated - had abbreviated - had abbreviated Future Perfect - will have abbreviated - will have abbreviated - will have abbreviated - will have abbreviated - will have abbreviated - will have abbreviated Past conditional - would have abbreviated - would have abbreviated - would have abbreviated - would have abbreviated - would have abbreviated - would have abbreviated Imperative - - - abbreviate - - - - - - - -