Columbia subject headings:
Coptic language--Tense.
Egyptian language--Grammar.
Egyptian language--Tense.
Grammar, Comparative and general--Tense.
Harvard subject headings:
Coptic language--Tense.
Egyptian language--Grammar
Egyptian language--Tense.
Grammar, Comparative and general--Tense.
Princeton subject headings:
Egyptian language--Semantics.
Egyptian language--Syntax.
Egyptian language--Verb.