By Plural subject, Whom

Hi, Abbie, It may be unlikely that you, or anyone else for that matter, would have an occasion to use such a sentence, but let's look at it carefully anyway. There is John, whom I haven't seen in years, and Fred, my once-best friend, sitting on a park bench. If we remove the non-restrictive...

The question here concerns subject-verb agreement. Almost always the the verb agrees with the subject in number. We say "Homer rides into town" and "John and Homer ride into town." In the first sentence the 3rd person singular verb "rides" agrees with the singular subject "Homer," and in the...