Expresses change of state (becoming) or passive voice. Very common pattern in Korean. Attached to descriptive verbs (adjectives) to show gradual change, or to action verbs to show passive meaning.

• •Change of state: "날씨가 추워져요" (The weather is getting cold)
• •Gradual change: "점점 예뻐졌어요" (She gradually became prettier)
• •Passive: "문제가 해결되어져요" (The problem gets solved)