If Pentecostalism was true, the Church would have had the gifts all along. Jesus said the gates of hell will not prevail against it. If only one person had the gifts today, it would be headline world wide news. And millions of sufferers from around the world would be thronging him or her.
Do a search on Wm. Seymour and Azusa Street. That's where American Pentecostalism came into being.
There have been gifts all along. Some gifts are rater than others.
If you were interested you could go to web pages that list examples from the men some call church fathers of references to spiritual gifts in their day. I gave read plenty of accounts od medieval miracles as well-- St. Martin Tours, St. Patrick, St. Columba for example. Since Jesus called casting out demons in his name a miracle I should include St. Gregory 'apostle of Armenia' to the lost
Historians accept two documents as being written by St. Patrick. He was kidnapped by the Irish as a slave. One document tells of his seeing a vision that helped him escape Ireland. The other tells of his hearing a supernatural voice telling him to return.
Augustine recorded numerous healings of his day, also.
Paul lists teaching, giving, and serving among the gifts. Look up charismata (gift) and grace and how grace is used in gift passages. The gift of teaching is God's grace working through the individual to teach others. The alternative would be teaching from ones own human wisdom and strength. Is that your experience as you type your posts.
Sometimes people throng a teacher with grace to teach. Sometimes not. There are all throngs at healing crusades.
There are many news people who still hold to a modernist philosophy. If you tell them you saw an obvious healing in front of their own eyes they would not want to investigate. Would you or would you dismiss it our of hand?