Present participle; Past participle - groining - groined Present - groin - groin - groins - groin - groin - groin Past - groined - groined - groined - groined - groined - groined Future - will groin - will groin - will groin - will groin - will groin - will groin Present conditional - would groin - would groin - would groin - would groin - would groin - would groin Present Perfect - have groined - have groined - has groined - have groined - have groined - have groined Past Perfect - had groined - had groined - had groined - had groined - had groined - had groined Future Perfect - will have groined - will have groined - will have groined - will have groined - will have groined - will have groined Past conditional - would have groined - would have groined - would have groined - would have groined - would have groined - would have groined Imperative - - - groin - - - - - - - -