Present participle; Past participle - adding - added Present - add - add - adds - add - add - add Past - added - added - added - added - added - added Future - will add - will add - will add - will add - will add - will add Present conditional - would add - would add - would add - would add - would add - would add Present Perfect - have added - have added - has added - have added - have added - have added Past Perfect - had added - had added - had added - had added - had added - had added Future Perfect - will have added - will have added - will have added - will have added - will have added - will have added Past conditional - would have added - would have added - would have added - would have added - would have added - would have added Imperative - - - add - - - - - - - -