Understanding the teaching of progressive sanctification

Three ways Christians are called to be holy: [1]POSITIONAL SANCTIFICATION 1 Peter 2:9-10 [2]ULTIMATE SANCTIFICATION 1 Cor 15: 50-54, Rev 21:3-4 [3]PROGRESSIVE SANCTIFICATION Rom 6:19, 2 Cor 7:1, 1 Peter 1:14-16, Phil 2:12-13, Hebrews 11:32-38, Hebrews 12: 1-2, 2 Cor 3:18