estar instead of ser (identity)
One of 124 rules YabLab tracks in Spanish writing.
Mi hermana está profesora de inglés.
Mi hermana es profesora de inglés.
estar instead of ser (identity)
Grammar shows how words depend on one another. A correct form must express the intended person, number, gender, case, time or degree and agree with the rest of the sentence.
- Find the head
- Start with the controlling word The subject controls the verb; a noun can control its article, adjective or pronoun.
- Read the context
- Choose the intended meaning Time, quantity, identity and comparison determine which grammatical form is possible.
- Check agreement
- Match every dependent form Person, number, gender and case must remain consistent across the phrase or clause.
What YabLab does with this mistake
- Catches it right as you write — comments, email, docs.
- Explains the why in your language, not just the fix.
- Helps you practice it until it is gone for good.