Questions & Answers about geongangi jungyohaeyo.
The 이 here is the subject particle:
• Nouns ending in a consonant take 이 as the subject marker.
• If 건강 ended in a vowel, you’d use 가 (e.g. 아이 → 아이가).
중요해요 is the polite present form of the descriptive verb (형용사) 중요하다 (“to be important”). In Korean:
• Descriptive verbs end in -다 in the dictionary form.
• They behave like verbs in conjugation but carry adjectival meaning.
- Drop the dictionary ending -다: 중요하-
- Change 하 to 해 (regular 하-verb change)
- Add the polite ending -요
Result: 중요하- 해
- 요 = 중요해요
- 해
• The ending (해요체) is polite/casual speech used in everyday conversation with strangers or acquaintances.• ending (합니다체) is more formal/polite and often used in presentations, news broadcasts, or when speaking to superiors.So is the formal equivalent.