enninaivugalin epathivu common chord pattern

Common chord progressions in major keys are:

• I - IV - V
• I - vi - IV - V
• ii - V - I

In the key of F, for example, this represents the chord progressions: 

• F - Bb - C
• F - Dm - Bb - C
• Gm7 - C7 - Fmaj7

Common chord progressions in minor keys are:

• i - VI - VII
• i - iv - VII
• i - iv - v
• i - VI - III - VII
• ii - v - i

In the key of Emin for example, the above represents the chord progressions:

• Em - C - D
• Em - Am - D
• Em - Am - Bm
• Em - C - G - D
• F#m7b5 - Bm - Em