Present participle; Past participle - developing - developed Present - develop - develop - develops - develop - develop - develop Past - developed - developed - developed - developed - developed - developed Future - will develop - will develop - will develop - will develop - will develop - will develop Present conditional - would develop - would develop - would develop - would develop - would develop - would develop Present Perfect - have developed - have developed - has developed - have developed - have developed - have developed Past Perfect - had developed - had developed - had developed - had developed - had developed - had developed Future Perfect - will have developed - will have developed - will have developed - will have developed - will have developed - will have developed Past conditional - would have developed - would have developed - would have developed - would have developed - would have developed - would have developed Imperative - - - develop - - - - - - - -