A/V-았/었어요: 토끼는 아주 빠르게 뛰었어요.
Use -았어요 / -었어요 to talk about a completed action in the past. It is very common in simple stories and daily conversation. You can reuse it to describe what happened: "토끼는 아주 빠르게 뛰었어요." and "거북이는 천천히 걸었어요.".
토끼는 아주 빠르게 뛰었어요.
The rabbit ran very quickly.
