주어 used to 동사원형 : 예전에는 ~ 했어

It used to take me almost all day

I used to live here

I used to play soccer on a professional team

I used to eat a ramen a day

I used to smoke a lot

I used to volunteer at a nursing home

I used to go to church every Sunday

I can't believe your're an English teacher

I used to hate English, but for some reason, I started to like it so much

참고 서적 : 영어회화의 결정적 패턴 (www.yes24.com/Product/Goods/74400061?scode=032&OzSrank=1)