-을수록

V/Adj/이다,아니다 + ㄹ/을수록 This indicates that a situation or degree is gradually intensifying. (the more~, the more~)

마실수록 더 목이 마르는 것 같아요.

The more I drink, the more thirsty I feel.

벼는 익을수록 고개를 숙인다.

Rice plants bow their heads the more they ripen.

(It's a Korean proverb meaning that the more knowledge and experience one has, the more humble they become.)

갈수록 한국어가 어려워져요.

As time goes by, Korean is getting more difficult.

(’갈수록’ originally came from the phrase ‘시간이 갈수록 (as time goes by)’, and it has become established as a fixed expression on its own.)

• It is also commonly used in the form of '-으면 -을수록'.

공부하면 공부할수록 어려워진다. The more you study, the more difficult it becomes.

어리면 어릴수록 더 유연하다. The younger you are, the more flexible you are.

• Tense: always base form