Pentecostals believe that Spirit baptism will be accompanied by the physical evidence of speaking in tongues (glossolalia). According to Pentecostal biblical interpretation, the Gospel of John 20:22 shows that the disciples of Jesus were already born again before the Holy Spirit fell at Pentecost.
Besides, what are the 7 signs of the Holy Spirit?
The seven gifts of the Holy Spirit are wisdom, understanding, counsel, fortitude, knowledge, piety, and fear of the Lord. While some Christans accept these as a definitive list of specific attributes, others understand them merely as examples of the Holy Spirit’s work through the faithful.