Identity / Classification
Copular clause
Predicate nominal
Classification
What is it? Who is who?
core
basic
Scene core
Значение
A relation that identifies, names, classifies, or equates one participant with another role, class, or label.
Как распознать
Ask whether the sentence says that X is Y or belongs to a class.
Примеры
Слова
doctor|teacher|friend|problem
Фразы
my brother is a doctor|this is a mistake
Предложение
She is a doctor.
Visual guide
Basic shape
Identity/class frame: X = Y She = a doctor person = class/role Meaning: X belongs to Y
Compare shape
Same link, different marking: [She] [is] [a doctor] [She] [doctor] zero BE [She] [doctor-CASE] Marking changes; X = Y stays.
Разбор по языкам
В вашем языке
Russian
Выраженность
strong
Важность
Identity uses zero copula in the present; past/future often use быть.
Она врач.
She doctor.
В изучаемом языке
Arabic (Modern Standard)
Выраженность
strong
Сложность
Identity and classification are often expressed as nominal sentences without present-tense copula.
أحمدُ طبيب.
Ahmad doctor.
Типичная трудность
Learners may overuse هو or miss how definiteness changes identity meanings.
Same block, different coding
Both languages use this block strongly, but they signal it differently. Focus on form changes, not only meaning.