Present participle; Past participle - grieving - grieved Present - grieve - grieve - grieves - grieve - grieve - grieve Past - grieved - grieved - grieved - grieved - grieved - grieved Future - will grieve - will grieve - will grieve - will grieve - will grieve - will grieve Present conditional - would grieve - would grieve - would grieve - would grieve - would grieve - would grieve Present Perfect - have grieved - have grieved - has grieved - have grieved - have grieved - have grieved Past Perfect - had grieved - had grieved - had grieved - had grieved - had grieved - had grieved Future Perfect - will have grieved - will have grieved - will have grieved - will have grieved - will have grieved - will have grieved Past conditional - would have grieved - would have grieved - would have grieved - would have grieved - would have grieved - would have grieved Imperative - - - grieve - - - - - - - -