Simplify the following text for a Grade 8 native English-speaking person.
Original: The original liturgy has since been adapted and used by other churches all over the world . Lessons and Carols most often occur in Anglican churches , but also in some Roman Catholic , Lutheran parishes , and Presbyterian institutions .
Simplified: The service is now used by other churches all over the world , not just in Anglican churches , but also in some Roman Catholic and Lutheran churches .