An infinitive phrase starts with an infinitive and includes other modifiers or objects. Like infinitives themselves, infinitive phrases can act in three different capacities:
Nouns
Adjectives
Adverbs
Examples:
1. To dance beneath the stars with her is Jared's only goal.
2. Collum likes to meditate after a stressful day.
3. he best book to help you understand fairy tales is titled Once Upon a Time.