Aren, or aen, eco-aco-co are case terminations; tcea-cea marks the verbal noun.
In some verbs the root itself, without any addition, is the verbal noun.
The inflected verb is reducible to five tenses, with an imperative, two participles, and a verbal noun or infinitive.
When a verbal noun in -ing is preceded by an article or any other adjective, it cannot take an object.
From nearly every English verb there may be formed a verbal noun in -ing.
The possessive case of a noun or pronoun may be used to limit a verbal noun in -ing.
The so-called imperfect subjunctive turns out to be a verbal noun with a preposition.
Good examples from Khmer (Cambodgian) are tmeu “one who walks” and daneu “walking” (verbal noun), both derived from deu “to walk.”
To set forth the various uses of the verbal noun here would carry us beyond our limits.
This exceptional use of the verbal noun occurs again in my hernyng 'what I yearn for', a 22; my couaytyng 'what I covet', a 23.