Final answer:
In the given sentences, performing functions as the object of a preposition (OP), planning and singing as the subject (S), advertising as the predicate nominative (PN), and harmonizing as the direct object (DO). There is no gerund in the third sentence.
Step-by-step explanation:
Identifying gerunds and their function in sentences involves recognizing the -ing form of verbs serving as nouns. Below are the identified gerunds and their functions, using the abbreviations: S for subject, PN for predicate nominative, DO for direct object, or OP for object of a preposition.
- Roberto's chorus finds pleasure in performing. (OP)
- Planning began months ago for their concert. (S)
- Now the chorus is practicing daily. (None)
- They practice harmonizing over and over. (DO)
- Their other important job is advertising. (PN)
- Singing is something the whole community can enjoy! (S)