Present participle; Past participle - regrouping - regrouped Present - regroup - regroup - regroups - regroup - regroup - regroup Past - regrouped - regrouped - regrouped - regrouped - regrouped - regrouped Future - will regroup - will regroup - will regroup - will regroup - will regroup - will regroup Present conditional - would regroup - would regroup - would regroup - would regroup - would regroup - would regroup Present Perfect - have regrouped - have regrouped - has regrouped - have regrouped - have regrouped - have regrouped Past Perfect - had regrouped - had regrouped - had regrouped - had regrouped - had regrouped - had regrouped Future Perfect - will have regrouped - will have regrouped - will have regrouped - will have regrouped - will have regrouped - will have regrouped Past conditional - would have regrouped - would have regrouped - would have regrouped - would have regrouped - would have regrouped - would have regrouped Imperative - - - regroup - - - - - - - -