Present participle; Past participle - climbing - climbed Present - climb - climb - climbs - climb - climb - climb Past - climbed - climbed - climbed - climbed - climbed - climbed Future - will climb - will climb - will climb - will climb - will climb - will climb Present conditional - would climb - would climb - would climb - would climb - would climb - would climb Present Perfect - have climbed - have climbed - has climbed - have climbed - have climbed - have climbed Past Perfect - had climbed - had climbed - had climbed - had climbed - had climbed - had climbed Future Perfect - will have climbed - will have climbed - will have climbed - will have climbed - will have climbed - will have climbed Past conditional - would have climbed - would have climbed - would have climbed - would have climbed - would have climbed - would have climbed Imperative - - - climb - - - - - - - -