You worry too much.
(넌 걱정을 너무 한다.)
→ 부사 too much는 동사(worry)수식한다.
I’m much too tired.
(너무 많이 피곤하다.)
I’m tired. < I’m too tired. < I’m much too tired.
I’m too tired. (너무 피곤하다.) = I’m feeling pretty tired. (꽤 피곤하다.)
I’m much too tired. = I’m feeling completely exhausted. (완전히 탈진한 기분이다.)