Answer:
Noun "We"
Verb "decided"
Prepositional Phrase "to take the ferry"
Prepositional Phrase "to the island"
Step-by-step explanation:
When you look at the sentence "We decided to take the ferry to the island." you should focus on only one word at a time. "We" is a noun because it refers to the person speaking. "decided" is a verb because it is describing what happened. "to take the ferry" is a Prepositional phrase because it starts with the word "to". The word "to" alone is not a Prepositional phrase but it is a preposition. "to the island" is a prepositional because it starts with the word "to". there fore it is a prepostional phrase