Present participle; Past participle - concretizing - concretized Present - concretize - concretize - concretizes - concretize - concretize - concretize Past - concretized - concretized - concretized - concretized - concretized - concretized Future - will concretize - will concretize - will concretize - will concretize - will concretize - will concretize Present conditional - would concretize - would concretize - would concretize - would concretize - would concretize - would concretize Present Perfect - have concretized - have concretized - has concretized - have concretized - have concretized - have concretized Past Perfect - had concretized - had concretized - had concretized - had concretized - had concretized - had concretized Future Perfect - will have concretized - will have concretized - will have concretized - will have concretized - will have concretized - will have concretized Past conditional - would have concretized - would have concretized - would have concretized - would have concretized - would have concretized - would have concretized Imperative - - - concretize - - - - - - - -