권했고

In a sentence

• 그는 나에게 한국 음식을 먹어보라고 권했고, 나는 그 제안을 받아들였다.

  He recommended me to try Korean food, and I accepted his suggestion.

  권했고 is from 권하다, meaning 'to recommend or suggest', and here it is used in past tense to indicate an action of recommending.

• 친구는 내가 이 책을 읽어보라고 권했고, 나는 흥미를 느껴 읽기 시작했다.

  My friend suggested that I read this book, and I found it interesting and began reading.

  권했고, a past tense form of 권하다, emphasizes that the suggestion or recommendation had occurred.

• 의사는 내게 건강을 위해 규칙적인 운동을 하라고 권했고, 나는 결심을 하고 실행에 옮겼다.

  The doctor advised me to exercise regularly for my health, and I made up my mind and acted on it.

  Here, 권했고 portrays that the action of advising or recommending was done by the doctor in the past.