Present participle; Past participle - exhausting - exhausted Present - exhaust - exhaust - exhausts - exhaust - exhaust - exhaust Past - exhausted - exhausted - exhausted - exhausted - exhausted - exhausted Future - will exhaust - will exhaust - will exhaust - will exhaust - will exhaust - will exhaust Present conditional - would exhaust - would exhaust - would exhaust - would exhaust - would exhaust - would exhaust Present Perfect - have exhausted - have exhausted - has exhausted - have exhausted - have exhausted - have exhausted Past Perfect - had exhausted - had exhausted - had exhausted - had exhausted - had exhausted - had exhausted Future Perfect - will have exhausted - will have exhausted - will have exhausted - will have exhausted - will have exhausted - will have exhausted Past conditional - would have exhausted - would have exhausted - would have exhausted - would have exhausted - would have exhausted - would have exhausted Imperative - - - exhaust - - - - - - - -