Demander is the infinitive, or basic, form of the verb that means 'to ask.

What verb is followed by demander?

Demander is a regular -ER verb. It follows the standard verb conjugation rules of similar words like déjeuner (to have lunch), durer (to last), and countless other verbs.

Is Ranger an irregular verb?

Ranger is a spelling change verb and that does make it a little bit of a challenge. ... Other than that minor difference, ranger is conjugated like a regular -er verb.