Present participle; Past participle - christening - christened Present - christen - christen - christens - christen - christen - christen Past - christened - christened - christened - christened - christened - christened Future - will christen - will christen - will christen - will christen - will christen - will christen Present conditional - would christen - would christen - would christen - would christen - would christen - would christen Present Perfect - have christened - have christened - has christened - have christened - have christened - have christened Past Perfect - had christened - had christened - had christened - had christened - had christened - had christened Future Perfect - will have christened - will have christened - will have christened - will have christened - will have christened - will have christened Past conditional - would have christened - would have christened - would have christened - would have christened - would have christened - would have christened Imperative - - - christen - - - - - - - -