The English sentence "Neither Kyle not his brother are interested in bask" does indeed show the correct subject-verb agreement. For further advice on grammatical matters, try the "Grammarly" website.
The simple subject of the sentence in the question is brother.
You write it "My brother and I" My brother and I.
Does your brother work in a hospital? is the correct sentence.
His older brother
The sentence I beseech thy forgiveness brother is not grammatically correct.
brother
To break up with your best friend's brother do this. Talk to the brother about this. Tell him that you are not interested in it anymore.
I think this jacket is your brother's.
For the sentence:"When Ben met his brother at the airport, he waved and smiled."Answer It is not clear whether the antecedent of he is Ben or his brother.(Apex)
brother
i can tell if it my brother cause i renowned my brother.
Brother