The infinitive of a verb is treated almost exactly like a noun.
From jamar, the infinitive of "to eat," the regular conjugation should be jame, "I have eaten."
This was lost before -an of the infinitive, contraction and compensatory lengthening being the result.
The infinitive Mood has the Signs to, about; as to love, about to love.
The soldiers were compelled to desertion: preferably with the infinitive, compelled to desert.
The rest as the pluperfect of gwîl, or of menny, to will, with the infinitive.
Do not split the infinitive unless by so doing you express your idea more accurately.
And the rest as the subjunctive or imperfect of gwîl with the infinitive.
When we can choose, it is generally better to use the verb in the infinitive than in the participial form.
(in, not) An infinitive is that verb which is not limited by person and number.
"simple, uninflected form of a verb," 1510s (mid-15c. as an adjective), from Late Latin infinitivus "unlimited, indefinite," from Latin infinitus (see infinite). "Indefinite" because not having definite person or number.
The simple or dictionary form of a verb: walk, think, fly, exist. Often the word to marks a verb as an infinitive: “to walk,” “to think,” “to fly,” “to exist.”