Present participle; Past participle - treating - treated Present - treat - treat - treats - treat - treat - treat Past - treated - treated - treated - treated - treated - treated Future - will treat - will treat - will treat - will treat - will treat - will treat Present conditional - would treat - would treat - would treat - would treat - would treat - would treat Present Perfect - have treated - have treated - has treated - have treated - have treated - have treated Past Perfect - had treated - had treated - had treated - had treated - had treated - had treated Future Perfect - will have treated - will have treated - will have treated - will have treated - will have treated - will have treated Past conditional - would have treated - would have treated - would have treated - would have treated - would have treated - would have treated Imperative - - - treat - - - - - - - -