What is the infinitive phrase in this sentence. Dianne ran away to join circus.?

The infinitive phrase in the sentence "Dianne ran away to join the circus" is "to join the circus".

Here's why:

* Infinitive: The word "to" followed by a verb (in this case, "join").

* Phrase: A group of words that act as a single unit, and in this case, the phrase modifies the verb "ran away."

Let me know if you'd like to practice with more sentences!