스트레칭을

In a sentence

• 나는 매일 아침 스트레칭을 해요.

  I do stretching every morning.

  Here, '스트레칭을' refers to the activity of stretching, used as the object of the verb '하다' (to do).

• 운동 후에 스트레칭을 하는 것이 중요합니다.

  It is important to do stretching after exercising.

  In this case, '스트레칭을' again signifies the act of stretching, emphasizing its importance as a follow-up to physical activity.

• 그는 스트레칭을 너무 좋아해서 매번 오래 해요.

  He likes stretching so much that he does it for a long time every time.

  Here, '스트레칭을' represents the activity of stretching, forming the object of the verb '좋아하다' (to like) and '하다' (to do).