Pentecost was the beginning in redemptive history of that specific function or activity of the Holy Spirit ... namely the speaking with tongues, related to this work of the Spirit?

Once you speak in tongues, pray that you interpret so ... as follows “Dear Heavenly Father I thank you for the gift of the Holy Spirit. As your child I now receive Him by faith to come and ...

(Matthew 28:19–20) The Holy Spirit came to the apostles in the form of tongues of fire that rested on each of them without burning them. The apostles then discovered that they could speak in ...