Present participle; Past participle - moistening - moistened Present - moisten - moisten - moistens - moisten - moisten - moisten Past - moistened - moistened - moistened - moistened - moistened - moistened Future - will moisten - will moisten - will moisten - will moisten - will moisten - will moisten Present conditional - would moisten - would moisten - would moisten - would moisten - would moisten - would moisten Present Perfect - have moistened - have moistened - has moistened - have moistened - have moistened - have moistened Past Perfect - had moistened - had moistened - had moistened - had moistened - had moistened - had moistened Future Perfect - will have moistened - will have moistened - will have moistened - will have moistened - will have moistened - will have moistened Past conditional - would have moistened - would have moistened - would have moistened - would have moistened - would have moistened - would have moistened Imperative - - - moisten - - - - - - - -