Most nonfinite verbs found in English are infinitives, participles and gerunds. The non-finite forms of verbs are participles, infinitives, supines, gerunds and gerundives. For perfect progressive infinitives, participles and gerunds, see . These include the infinitive, supine, gerunds, and participles. The two most common forms of verbal nouns are infinitives and gerunds. Enclitic pronouns are used with infinitives, gerunds, and positive imperatives. Clitics precede most conjugated verbs but come after infinitives, gerunds, and positive imperatives. They are distinct from verbal noun, gerunds and infinitives. Such VNs are generally non-finite verb forms, such as gerunds and infinitives. Infinitives/gerunds of verbs are in class 15. Parallelism can be achieved by converting both terms to gerunds or to infinitives. To make it parallel, the sentence can be rewritten with all gerunds or all infinitives. With infinitives and gerunds, enclitization is often, but not always, mandatory. The first nonparallel example has a mix of gerunds and infinitives. Converbs, like gerunds and verbal adverbs, are very numerous in Tsez.