Представьте, что ваши друзья (ваши родственники) не знают, как британцы отмечают

К примеру:

The 25th of December is Christmas Day.

English people send greetings cards to ail their relatives and friends.

Also people buy a Christmas tree and decorate it.

On Christmas Eve people put their present under the tree.

When children go to bed, they put their stockings near their beds.

At night Father Christmas comes and puts presents into the childrens stockings.

Every year there is a very big Christmas tree in the centre of London, in Trafalgar Square.

In the evening before Christmas people come to look at that tree.

The shops are very busy on Christmas because people want to buy presents for their families and friends.

People open their presents on Christmas morning. For Christinas dinner people eat turkey and the Christmas pudding.

The day after Christmas is Boxing Day.

People usually visit their relatives and friends.