Present participle; Past participle - treeing - treed Present - tree - tree - trees - tree - tree - tree Past - treed - treed - treed - treed - treed - treed Future - will tree - will tree - will tree - will tree - will tree - will tree Present conditional - would tree - would tree - would tree - would tree - would tree - would tree Present Perfect - have treed - have treed - has treed - have treed - have treed - have treed Past Perfect - had treed - had treed - had treed - had treed - had treed - had treed Future Perfect - will have treed - will have treed - will have treed - will have treed - will have treed - will have treed Past conditional - would have treed - would have treed - would have treed - would have treed - would have treed - would have treed Imperative - - - tree - - - - - - - -