I was able to ~ 나 ~ 할 수 있었어

I was able to fall asleep

I was able to get a refund

I was able to pass the exam

I was able to complete the course

참고 서적 : 해커스톡 해커스톡 왕초보 영어회화 10분의 기적 : 기초패턴으로 말하기