(으)ㄹ 때
때 expresses the time when an action or state occurs or its duration. When following g a noun, 때 is used, and when following a verb, - ㄹ 때 is used when the stem ends in a vowel or ㄹ, and -을 때 is used when the stem ends in a consonant.
Example:
1. 방학 때 아르바트를 해요. 췄휩 I work a time job during vacation.
2. 4살 때 사진이에. This is a picture of me when I was 4 years old.
3. 시험 볼 때 옆 사람의 시험지를 보지 마세요.
Don’t look at your neighbors’ answer sheets when taking the test.
4. 20살 때 첫 데이트를 했어요. My first date was s 20 years old.
5.초등학교 때 친구들을 지주 만나요. I often meet your friends from elementary school.