Present participle; Past participle - sticking - stuck Present - stick - stick - sticks - stick - stick - stick Past - stuck - stuck - stuck - stuck - stuck - stuck Future - will stick - will stick - will stick - will stick - will stick - will stick Present conditional - would stick - would stick - would stick - would stick - would stick - would stick Present Perfect - have stuck - have stuck - has stuck - have stuck - have stuck - have stuck Past Perfect - had stuck - had stuck - had stuck - had stuck - had stuck - had stuck Future Perfect - will have stuck - will have stuck - will have stuck - will have stuck - will have stuck - will have stuck Past conditional - would have stuck - would have stuck - would have stuck - would have stuck - would have stuck - would have stuck Imperative - - - stick - - - - - - - -