3. If a compound subject contains both a singular and plural noun or a pronoun connected by or by or nor, the verb must correspond to the part of the subject closer to the verb. Rule 10. The word has been replaced, was in sentences that express a wish or contradict the fact: examples: I would like it to be Friday. She asked him to raise his hand. Have you ever wondered why it is said to be very pretty and not very pretty? The answer lies in grammatical rules of concordance or subject-verb. The basic rule is that the singular obstruction must correspond to singular nouns, while the plural obstruction must correspond to plural nouns. What is a name? It is a word for people, places, events, things or ideas. 4. Is not a contraction of no and should only be used with a singular subject.