This is in C major by the way so it would go
I - C Major
IV - F major
ii - D minor
V - G major
vi - A minor
III - E major
II - D major
iv - F minor
bVI - A flat major
bVII - B flat major
Then back to I ( C major ) but it goes to Csus4 aka C F G first to give an even better resolution, that was just a quick summary