예전에 ~하곤 했어요(지금은 아니예요)
I used to live in Daegu.
I used to love working in this office, but not any more.
The atmosphere has become much too tense since the layoffs.
I used to know how to tie a tie but I've forgotten.
It's because you've been wearing clip-ons for too long.
I used to be so tired all the time but since I started working out, now I feel full of energy. 운동을 시작하고부터는 기운이 넘치는 것 같아요
Wow, you look better too!
와, 보기에도 더 좋아 보여요
This place used to be crowded on Sundays.
Bananas used to be expensive in Korea.
There used to be so many trees on this mountain.
I'm not what I used to be.
난 이제 예전의 나가 아니다
Mary is not what she used to be.
The economy isn't like what it used to be.