By Adverbs, Singular verbs

I think the answer to your original question, Magda, is that if you want to keep your original sentence, just change "is" to "are". The thing is, it's an unusual sentence, so Grammar Geek gave you a more common one. I don't think many native English speakers would know with 100% certainty which...

Thanks, Marius. I will keep this rule in mind. What I am puzzled by, however, is the fact that either of the examples you gave me doesn't refer exactly to the sentence I gave.In your first example, we deal with proper names, no articles there, and in the second one, with one noun in plural and...

Hi Magda, Technically, you should use "are" because you have two things there. But it may sound a little off, because the noun that is right next to the verb is singular. To make it both sound correct as well as be correct, you could rewrite: "He doesn't even know what adjectives and adverbs are."

Hi,I have got a problem with such a sentence: "... he even doesn't know what an adjective and adverb is." Should I use the singular or plural verb?Thank you.