Составить 2 предаточных предложения на тему рождество в великобритании! нужно сегодня! буду

Ну не бывает придаточного предложения бывает только придаточная часть
People in Great Britain celebrate Christmas when it`s 25 december (when its 25dec это придаточная часть)
Britain people has tradition to celebrate Christmas being with family but American has the opposite one

Christmas is a great holiday which is widely celebrated in Great Britain.
Christmas is a family holiday when people stay at home with their families and have a special Christmas dinner.