Catching fish is one of the oldest pastimes.

what part of speech is fish in the sentence.

i think it's noun.

6 answers

Yes, it's a noun. It's serving as the direct object of the gerund "catching."
Large fish swim swiftly in the sea.

Large is an adjective in this sentence right?
Yes.
Right.
Catching fish is one of the oldest pastimes.

( is )in the sentence is a preposition
correct
Nope.

Is is always a verb.