used to/didn't use to/ never used to

used to + V

1. 긍정문
   
• When Jim and Ray lived in Switzerland, they used to ski a lot. They don't ski much anymore.
• I used to worry about my future. Nowadays I just try to enjoy life. 
  
  
  
2. 부정문 didn't use to/ never used to 로 쓴다.
   
• I didn't use to listen to classical music, but I enjoy it now. 클래식 음악을 듣지 않았었지만 지금은 즐긴다. 
• Cindy never used to read the newspaper, but now she reads it everyday. 
  
  
  
3. 의문문은 didn't use to?로 쓴다. 
• Did you use to eat at Harvey's Restaurant in college?  대학 때 Harvey's 레스토랑에서 식사 했었니? 
  Yes, I miss that place. 
  
  
4. 지금은 더 이상 사실이 아니지만, 과거에는 사실이었던 일에 대해 말할 때도 used to + V를 쓴다. 
• That bookstore used to be on Carson Street, but it moved. (과거에는) 서점이 Carson거리에 있었다. (지금은 아니다.) 
• I didn't use to like mushrooms, but now I think they're tasty. (과거에는) 버섯을 좋아하지 않았다. (지금은 아니다.)
• This desk used to belong to my grandfather. He gave it to me last year as a gift. 
• Did you use to have a dog? Yes but it was a long time ago. 
  
  
  
5. used to와 과거 시제, 현재시제는 다음과 같은 의미 차이가 있다.
   
• I used to work out at the fitness center three times a week. I'm too busy these days. 
  (과거엔 일주일에 세 번씩 헬스클럽에서 운동했지만 지금은 아님)
  I worked out at the fitness center three times last week. (지난 주에 세번 헬스 클럽에서 운동했음. 현재는 그러한지 알 수 없음) 
  I work out at the fitness ceneter three times a week. (현재 일주일에 세 번씩 헬스클럽에서 운동함)
  
  
  
6.  "used to +동사원형"과 "be used to+ -ing"의 의미 차이에 주의한다. be used to+ ing는 ~하는데 익숙하다라는 의미이다. 
• I always used to cook for my wife, but now she cooks for me. (과거에는 아내를 위해 요리했으나 지금은 아님)
  I always cook for my wife, so I'm used to cooking. (요리하는 데 익숙함)  
• I used to wake up early, but these days I usually sleep until noon. 
  I always wake up at 5 o'clock, so I'm used to waking up early. 
  
  
  
  
• Alison travels a lot for her job, so she's used to flying in airplanes. 
• It's past midnight. Aren't you sleepy? No. I'm used to staying up late. 
• What's that girl's name? I used to know it, but I forgot. It's Kendall. 
                                     알고 있었는데......