Present participle; Past participle - strumming - strummed Present - strum - strum - strums - strum - strum - strum Past - strummed - strummed - strummed - strummed - strummed - strummed Future - will strum - will strum - will strum - will strum - will strum - will strum Present conditional - would strum - would strum - would strum - would strum - would strum - would strum Present Perfect - have strummed - have strummed - has strummed - have strummed - have strummed - have strummed Past Perfect - had strummed - had strummed - had strummed - had strummed - had strummed - had strummed Future Perfect - will have strummed - will have strummed - will have strummed - will have strummed - will have strummed - will have strummed Past conditional - would have strummed - would have strummed - would have strummed - would have strummed - would have strummed - would have strummed Imperative - - - strum - - - - - - - -