Large is a noun. Fish is noun. Swim is a verb, it can also be a noun. Swiftly is an adjective, it qualifies a noun. "In" is an irregular verb. "The" is a preposition. Sea is a noun.
Answer is conjunctions. Adjectives describe something and nouns are a person place or thing.
12 less than twice a number
12 stays the same
every time you say less you put it at the end of the problem
twice a number is *2n
ok now 2n-12 is the correct answer
