Present participle; Past participle - tillering - tillered Present - tiller - tiller - tillers - tiller - tiller - tiller Past - tillered - tillered - tillered - tillered - tillered - tillered Future - will tiller - will tiller - will tiller - will tiller - will tiller - will tiller Present conditional - would tiller - would tiller - would tiller - would tiller - would tiller - would tiller Present Perfect - have tillered - have tillered - has tillered - have tillered - have tillered - have tillered Past Perfect - had tillered - had tillered - had tillered - had tillered - had tillered - had tillered Future Perfect - will have tillered - will have tillered - will have tillered - will have tillered - will have tillered - will have tillered Past conditional - would have tillered - would have tillered - would have tillered - would have tillered - would have tillered - would have tillered Imperative - - - tiller - - - - - - - -