Present participle; Past participle - stuttering - stuttered Present - stutter - stutter - stutters - stutter - stutter - stutter Past - stuttered - stuttered - stuttered - stuttered - stuttered - stuttered Future - will stutter - will stutter - will stutter - will stutter - will stutter - will stutter Present conditional - would stutter - would stutter - would stutter - would stutter - would stutter - would stutter Present Perfect - have stuttered - have stuttered - has stuttered - have stuttered - have stuttered - have stuttered Past Perfect - had stuttered - had stuttered - had stuttered - had stuttered - had stuttered - had stuttered Future Perfect - will have stuttered - will have stuttered - will have stuttered - will have stuttered - will have stuttered - will have stuttered Past conditional - would have stuttered - would have stuttered - would have stuttered - would have stuttered - would have stuttered - would have stuttered Imperative - - - stutter - - - - - - - -