Present participle; Past participle - echoing - echoed Present - echo - echo - echoes - echo - echo - echo Past - echoed - echoed - echoed - echoed - echoed - echoed Future - will echo - will echo - will echo - will echo - will echo - will echo Present conditional - would echo - would echo - would echo - would echo - would echo - would echo Present Perfect - have echoed - have echoed - has echoed - have echoed - have echoed - have echoed Past Perfect - had echoed - had echoed - had echoed - had echoed - had echoed - had echoed Future Perfect - will have echoed - will have echoed - will have echoed - will have echoed - will have echoed - will have echoed Past conditional - would have echoed - would have echoed - would have echoed - would have echoed - would have echoed - would have echoed Imperative - - - echo - - - - - - - -