Present participle; Past participle - differing - differed Present - differ - differ - differs - differ - differ - differ Past - differed - differed - differed - differed - differed - differed Future - will differ - will differ - will differ - will differ - will differ - will differ Present conditional - would differ - would differ - would differ - would differ - would differ - would differ Present Perfect - have differed - have differed - has differed - have differed - have differed - have differed Past Perfect - had differed - had differed - had differed - had differed - had differed - had differed Future Perfect - will have differed - will have differed - will have differed - will have differed - will have differed - will have differed Past conditional - would have differed - would have differed - would have differed - would have differed - would have differed - would have differed Imperative - - - differ - - - - - - - -