No matter what dinomination you're from, they're will still be some legalistic people in the church, but from my point of view (As a Pentecostal myself) to be a true pentecostal you should go to the laws of God, not the laws of man, unless of course the laws of man are intune with the laws of God!
Pentecostals follow the church calendar.
Pentecostals do believe in cremation.
No, Pentecostals are not perverted. Why would you ask such a question?
Most Pentecostals do wear earrings.
Pentecostals do decorate Christmas trees.
Pentecostals worship the Father, Son, and Holy Ghost.
Pentecostals do not believe in the Economic Trinity.
Generally speaking, pentecostals do not perform confirmations.
Pentecostals do express themselves through dance.
Pentecostals do believe in the virgin Mary as she was the mother of Jesus.
Hebrew Pentecostals do not believe in abusing their wives.
Pentecostals believe that "In the beginning God created the heavens and the earth." Genesis 1:1