Present participle; Past participle - enlightening - enlightened Present - enlighten - enlighten - enlightens - enlighten - enlighten - enlighten Past - enlightened - enlightened - enlightened - enlightened - enlightened - enlightened Future - will enlighten - will enlighten - will enlighten - will enlighten - will enlighten - will enlighten Present conditional - would enlighten - would enlighten - would enlighten - would enlighten - would enlighten - would enlighten Present Perfect - have enlightened - have enlightened - has enlightened - have enlightened - have enlightened - have enlightened Past Perfect - had enlightened - had enlightened - had enlightened - had enlightened - had enlightened - had enlightened Future Perfect - will have enlightened - will have enlightened - will have enlightened - will have enlightened - will have enlightened - will have enlightened Past conditional - would have enlightened - would have enlightened - would have enlightened - would have enlightened - would have enlightened - would have enlightened Imperative - - - enlighten - - - - - - - -