Present participle; Past participle - supervening - supervened Present - supervene - supervene - supervenes - supervene - supervene - supervene Past - supervened - supervened - supervened - supervened - supervened - supervened Future - will supervene - will supervene - will supervene - will supervene - will supervene - will supervene Present conditional - would supervene - would supervene - would supervene - would supervene - would supervene - would supervene Present Perfect - have supervened - have supervened - has supervened - have supervened - have supervened - have supervened Past Perfect - had supervened - had supervened - had supervened - had supervened - had supervened - had supervened Future Perfect - will have supervened - will have supervened - will have supervened - will have supervened - will have supervened - will have supervened Past conditional - would have supervened - would have supervened - would have supervened - would have supervened - would have supervened - would have supervened Imperative - - - supervene - - - - - - - -