벌써(beol-sseo, beolsseo)
Indicates something happened earlier than expected
When to use
early completion, expressing surprise, emphasizing current time
The nuance
Used when something happened earlier than expected at past or present time, often expressing surprise or slight shock.
이미(i-mi, imi)
Indicates that something is already completed and unchangeable
When to use
completed fact, objective statement, unchangeable state
The nuance
Used to objectively state that something was completely finished in the past, with minimal emotional nuance, suitable for factual statements.
벌써부터(beol-sseo-bu-teo, beolsseobuteo)
Indicates something has started or is expected to start even before the actual event
When to use
future expected action, pre-event feeling, preparation or worry
The nuance
Used when an action or feeling appears before the event starts at future or present time, often implying expectation, worry, or preparation.