'이' is mainly a subject particle attached to nouns, marking the subject in a sentence, similar to 'the' or 'this' in English.
Nuances
- Subject particle for nouns with final consonant
- Clearly marks the subject
- Sometimes adds emphasis
When to use
daily conversation, business meeting, writing documents
In context
'이' is a subject particle attached to nouns ending with a consonant (batchim). It marks the subject of the sentence and functions as a case particle. For example, '책이' (the book) uses '이' because '책' ends with a consonant.
