Going to the Hospital

Changing the intonation makes the -세요 [se-yo] sentence into a question.

• 공부하세요. [gong-bu-ha-se-yo] Please study.
• 공부하세요? [gong-bu-ha-se-yo?] Are you studying?

Forming a polite past tense question

Step 1: Drop the 세요? [se-yo?]. 읽으세요? [il-geu-se-yo?] Are you reading? → 읽으 [il-geu]

Step 2: Add -셨어요? [syeo-sseo-yo?]. 읽으 [il-geu] → 읽으셨어요? [il-geu-syeo-sseo-yo?]

공부하셨어요? [gong-bu-ha-syeo-sseo-yo?]
Did you study?

• Step 1: 공부하세요? [gong-bu-ha-se-yo?] Are you studying? → 공부하 [gong-bu-ha]
• Step 2: 공부하 [gong-bu-ha] → 공부하셨어요? [gong-bu-ha-syeo-sseo-yo?]

뭐 하셨어요? [mwo ha-syeo-sseo-yo?]
What did you do?

• 뭐 [mwo] means "what"
• 하셨어요? [ha-syeo-sseo-yo?] means "Did you do it?"

뭐 드셨어요? [mwo deu-syeo-sseo-yo?]
What did you eat?

• Honorific form of 먹다 [meok-da] is 드시다 [deu-si-da] 'to eat'
• 드세요 [deu-se-yo] means "Please eat."

잘 지내셨어요? [jal ji-nae-syeo-sseo-yo?]
How have you been?

• Step 1: 잘 지내세요? [jal ji-nae-se-yo?] Are you doing all right? → 잘 지내 [jal ji-nae]
• Step 2: 잘 지내 [jal ji-nae] → 잘 지내셨어요? [jal ji-nae-syeo-sseo-yo?]

주무셨어요? [ju-mu-syeo-sseo-yo?]
Did you sleep well?

• Honorific form of 자다 [ja-da] is 주무시다 [ju-mu-si-da] 'to sleep'
• 주무세요 [ju-mu-se-yo] means "Please sleep."

• A: 선생님! 주말에 뭐 하셨어요?
  What did you do during the weekend?
• B: 주말에 롯데월드에 갔어요. [ju-ma-re rot-de-wol-deu-e ga-sseo-yo]
  I went to Lotte World during the weekend.
• A: 오…
  Oh!
• B: 주말에 뭐 하셨어요? [ju-ma-re mwo ha-syeo-sseo-yo?]
  What did you do during the weekend?
• A: 저는 주말에 친구를 만났어요.
  I met my friends during the weekend.