The non-finite verb would be “meaning” and I THINK it’s a Gerunds type of non-finite verb.
I tried to help, I’m sorry if it’s wrong.
Answer:
Mommas concerns I hope this helps
Noun phrase because I know and done this before
I would believe it’s D because you’re explaining what fish reproduction
The sentence that uses a subjective pronoun correctly is the first one - Laura and I have written an original play for this year's festival.
The second sentence is incorrect because the word him is not subjective, and neither is her in the third sentence, or them in the last one.