Identity / Classification
Copular clause
Predicate nominal
Classification
What is it? Who is who?
core
basic
Scene core
Ý nghĩa
A relation that identifies, names, classifies, or equates one participant with another role, class, or label.
Cách nhận biết
Ask whether the sentence says that X is Y or belongs to a class.
Ví dụ
Từ
doctor|teacher|friend|problem
Cụm từ
my brother is a doctor|this is a mistake
Câu
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.
Góc nhìn theo ngôn ngữ
Trong ngôn ngữ của Bạn
Vietnamese (standard)
Mức độ thể hiện
strong
Tầm quan trọng
Identity and classification commonly use là, while some informal or contextual noun predicates may omit it.
Anh ấy là bác sĩ.
he is doctor
Trong ngôn ngữ đang học
Arabic (Modern Standard)
Mức độ thể hiện
strong
Độ khó
Identity and classification are often expressed as nominal sentences without present-tense copula.
أحمدُ طبيب.
Ahmad doctor.
Vấn đề thường gặp của người học
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.