NexoChoosing meaning
SER vs. ESTAR
Choose the verb from the claim the sentence makes—not from a permanent-versus-temporary shortcut.
Use ser to establish identity, classification, origin, relationships, and event details. Use estar to present a state or locate an identified person, place, or thing. Read the complete sentence, name its job, and only then choose the form that matches the subject.
The mental model
Ask what the sentence is trying to establish.
What or who is it? Where is it from?
Use ser to establish identity, place someone or something in a category, describe a relationship, or state origin.
How is it? Where is it?
Use estar to present a state or locate an identified person, place, or thing.
The subject does not choose the verb. The claim does. The same person can be a student, at home, and tired in three different sentences.
Decision routine
Do not stare at the blank. Read beyond it.
Take in the complete sentence
Include the subject, the words after the verb, and any context around it.
State the job in plain English
Is this identity, classification, origin, a state, the location of a person or thing, or an event detail?
Select the verb family
Ser carries identity, classification, origin, relationships, and event details. Estar carries states and ordinary location.
Conjugate for the subject
Only after meaning is settled should you choose soy, eres, es, somos, son—or estoy, estás, está, estamos, están.
A precise boundary
People and things are located with estar. Events take place with ser.
This is a narrow distinction about what is being located—not a return to the permanent-versus-temporary shortcut.
Where is this identified place?
An office is a place that has a location, so locate it with estar.
Where or when does it take place?
A meeting or class is an event, so use ser for where or when it occurs.
Check the idea
Name the claim before the verb.
Elena worked for twelve hours. Complete: Elena ___ cansada. Does the sentence classify Elena or describe her state?
Reveal the answer
Cansada tells how Elena is after a long day. That state uses estar, and está matches the singular subject Elena.
Learn it in context