Explanation of the grammatical function lesson on the auxiliary verbs "kana" and its sisters, from the "My Eternal Language" textbook for the first intermediate grade, first semester, 1446 AH. The auxiliary verbs "kana" and its sisters - My Eternal Language 1 - First Intermediate. Grammatical function: The auxiliary verbs "kana" and its sisters 1 - Arabic Language - First Intermediate. Explanation of the grammatical function lesson from Unit Two, Proper Nouns, on the auxiliary verbs "kana" and its sisters, from the "My Eternal Language" textbook for the first intermediate grade, first semester.