When at the beach, Carina is often applying sunscreen so that she will not go home with burning skin.

Which statement correctly describes the verb function in this sentence?

1. The word “is” is a verb that functions as a verb, and “applying” is a verb that functions as a noun.
2. The word “applying” is a verb that functions as a noun, and “go” is a verb that functions as a verb.
3. The word “applying” is a verb that functions as a verb, and “burning” is a verb that functions as an adjective.
4. The word “go” is a verb that functions as a verb, and “burning” is a verb that functions as a noun.