Lesson 4. She has been waiting for an hour.
현재완료진행 : have been [~ing '동작 생생하게']
=> for, since, How long과 함께 자주 사용
We have been saving a lot of money since last year.
We want to buy a new house.
How long have you been attending the art school?
=> 현재완료진행을 쓰지 않고 현재완료로 써도 된다.
0
