We are decorating our Christmas Tree.
It's correct.
They is having Christmas dinner now.
They ARE having Christmas dinner now.
She am not singing a Christmas song!
She IS not singing a Christmas song!
My family is watching a Christmas film now?
IS my family watching a Christmas film now?
Santa Claus and elves are preparing presents for children.
It's correct!
Look! Christmas Tree are shining now!
Look! Christmas Tree IS shining now!
Santa doesn't feeding a reindeer at the moment.
Santa ISN'T feeding a reindeer at the moment.
Santa is tired. She is sleeping.
Santa is tired. HE is sleeping.
