Answer - Infinitive
A verb that starts with "to" is in an infinitive verb form. Typically, an infinitive can function as adverbs, adjectives or as nouns; it usually does not function as a verb. Also, an infinitive <span>has no inflection binding it to a particular subject or tense.</span>
1. The Shepherds’ Swains shall dance and sing
2. thy mind may move
3. Melodious birds sing Madrigals
