What kind of phrase is to unpack immediately?

The phrase "to unpack immediately" is a verb phrase that functions as an imperative.

Here's why:

* Verb phrase: It's made up of the verb "to unpack" and the adverb "immediately," which modifies the verb.

* Imperative: It expresses a direct command or instruction. The phrase is telling someone to unpack something right away.

Let me know if you'd like to explore other types of phrases!