Subject-Verb Agreement in English Grammar

The question requires us to choose the correct verb to complete the sentence: "The ways in which this game can be played ________ potentially infinite." To answer this correctly, we must apply the rules of subject-verb agreement.

Identifying the Subject of the Sentence

The first step in ensuring correct subject-verb agreement is to identify the main subject of the sentence. In complex sentences, sometimes words or phrases come between the subject and the verb, which can be confusing. Let's break down the sentence:

• The sentence is: "The ways in which this game can be played ________ potentially infinite."
• The central subject of this sentence is the noun "ways".
• The phrase "in which this game can be played" is a prepositional phrase or a relative clause that modifies "ways". It describes what kind of ways are being discussed but does not change the number of the actual subject, which remains "ways".
• Since "ways" is a plural noun, the verb that follows it must also be in its plural form.

Applying Subject-Verb Agreement Rules to Options

Now, let's evaluate each option based on the plural nature of the subject "ways":

• Option 1: "is"
  • "Is" is a singular verb. It would be used if the subject were singular (e.g., "The way is..."). Since our subject "ways" is plural, "is" is incorrect.
• Option 2: "is being"
  • "Is being" is a singular verb phrase in the present continuous tense. It denotes an ongoing action for a singular subject. This does not fit the context, as the sentence describes a general characteristic or state of "ways," not an ongoing action.
• Option 3: "are"
  • "Are" is a plural verb. It correctly agrees with the plural subject "ways". This option describes the general state or characteristic of the "ways" as "potentially infinite."
• Option 4: "are being"
  • "Are being" is a plural verb phrase in the present continuous tense. While "are" agrees with the plural subject, the continuous aspect "being" implies an action that is currently in progress. The sentence describes the inherent nature of the "ways" (potentially infinite), not something that is actively "being" infinite at this very moment. Therefore, the simple present "are" is more appropriate than the continuous "are being."

Based on subject-verb agreement and the appropriate tense for describing a general state or characteristic, the plural verb "are" is the most suitable choice.

Complete and Correct Sentence

By selecting "are", the grammatically correct sentence becomes:

"The ways in which this game can be played are potentially infinite."

This sentence correctly demonstrates subject-verb agreement, where the plural subject "ways" is matched with the plural verb "are".