who / which / that / whose / where / when: elige según el antecedente y decide si la información identifica o añade.
Relativos
- who = personas · which = cosas · that = ambos (solo defining)
- whose = posesión · where = lugar · when = momento
Defining frente a non-defining
- Defining: identifica, sin comas, admite that, relativo objeto omitible
- Non-defining: información extra, entre comas, sin that, nunca se omite
Errores frecuentes
- «My mother, that is a teacher» ✗ → who is a teacher.
- «The film which I saw it» ✗ → The film which I saw.
- Confundir whose (posesión) y who’s (who is).