Present participle; Past participle - bickering - bickered Present - bicker - bicker - bickers - bicker - bicker - bicker Past - bickered - bickered - bickered - bickered - bickered - bickered Future - will bicker - will bicker - will bicker - will bicker - will bicker - will bicker Present conditional - would bicker - would bicker - would bicker - would bicker - would bicker - would bicker Present Perfect - have bickered - have bickered - has bickered - have bickered - have bickered - have bickered Past Perfect - had bickered - had bickered - had bickered - had bickered - had bickered - had bickered Future Perfect - will have bickered - will have bickered - will have bickered - will have bickered - will have bickered - will have bickered Past conditional - would have bickered - would have bickered - would have bickered - would have bickered - would have bickered - would have bickered Imperative - - - bicker - - - - - - - -