A common grammar/usage error is a faulty subject-verb match. This lesson and the previous lesson offer some guidelines to avoid this problem. In the example below, please note the distance between the subject (accompanying person) and the verb (emerge). 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. There are two types of sentences that make it difficult to match subject-verb: in sentences like this, it can be difficult to remember what topic you started with when you get to the verb. Make sure your verb matches the right word. .