Present participle; Past participle - greening - greened Present - green - green - greens - green - green - green Past - greened - greened - greened - greened - greened - greened Future - will green - will green - will green - will green - will green - will green Present conditional - would green - would green - would green - would green - would green - would green Present Perfect - have greened - have greened - has greened - have greened - have greened - have greened Past Perfect - had greened - had greened - had greened - had greened - had greened - had greened Future Perfect - will have greened - will have greened - will have greened - will have greened - will have greened - will have greened Past conditional - would have greened - would have greened - would have greened - would have greened - would have greened - would have greened Imperative - - - green - - - - - - - -