After VERSE 2, count to 3 then enter to the PRE-CHORUS in the 4th count. Then go back to the CHORUS part. But in the second play, hold B(A string, 2nd fret) when Freddie says "Now...!" (Before entering the bridge section where Brian joins the song)
Play this part after the bridge ends : G|-------|-------|-------|-------|-------|-------|-------|-------------|-------------| D|-------|-------|-------|-------|-------|-------|-------|-------------|-------------| A|-2-0-2-|-------|-------|-2-2-0-|-2-0-2-|-------|-------|-2--2--2-2-0-|-2--2--2-2-0-| E|-------|-3-2-3-|-5-3-5-|-------|-------|-3-2-3-|-5-3-5-|-------------|-------------|