Present participle; Past participle - braining - brained Present - brain - brain - brains - brain - brain - brain Past - brained - brained - brained - brained - brained - brained Future - will brain - will brain - will brain - will brain - will brain - will brain Present conditional - would brain - would brain - would brain - would brain - would brain - would brain Present Perfect - have brained - have brained - has brained - have brained - have brained - have brained Past Perfect - had brained - had brained - had brained - had brained - had brained - had brained Future Perfect - will have brained - will have brained - will have brained - will have brained - will have brained - will have brained Past conditional - would have brained - would have brained - would have brained - would have brained - would have brained - would have brained Imperative - - - brain - - - - - - - -