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Subject–verb agreement — ACT practice questions

Subject–verb agreement on the ACT English test covers matching a verb to the true grammatical subject in number, even when extra words intervene. A student must locate that subject, ignore nearby nouns that are not it, and select a singular or plural verb that fits the sentence. Items typically sit inside a passage with an underlined verb or clause, and the prompt asks for the option that is grammatically acceptable or that fits the wording already on the page. Answer choices usually offer leaving the original wording plus competing verb forms. Frequent traps include prepositional phrases, compound subjects, inverted order after there, and relative clauses that hide the real subject.

  • Section: English 50 questions on the paper
  • 51 practice questions in the app

Sample questions

The Archive Goes to the Story

[1] The Larkspur Oral History Archive once recorded every interview in a quiet room at city hall. [2] Later, it added a mobile recording van that travels to libraries and senior centers. [3] The studio produces cleaner audio, whereas the van reaches speakers who cannot easily travel downtown.1 [4] Before each trip, a coordinator calls the host site to confirm parking access, electrical outlets, and the number of scheduled speakers. [5] Technicians secure the microphones in padded cases and test the van's battery so a weak power supply will not interrupt an interview.

The range of neighborhoods the van can visit allow2 the archive to document more voices. At a typical stop, staff reserve forty-five minutes for each speaker and leave time between appointments to label files and reset equipment. Interviewers invite residents to share personal recollections remembered from earlier decades3. They begin with broad prompts about work, school, celebrations, and changes on a familiar street, then ask follow-up questions when a speaker mentions a person or place. The van travels to familiar community spaces. Recording interviews in a booth lined with acoustic panels.4 It also carries a compact editing desk, and supplies5 headphones for the interviewer and speaker.

Archivists interview residents with handwritten question lists6 who cannot travel downtown. Before a conversation begins, a technician records ten seconds of room tone and adjusts the microphone until both voices remain clear. A set of monitoring headphones are7 stored beside each microphone. During recording, the interviewer notes the time of names or events that may need spelling checks later. The van's exterior is painted dark blue.8 Each recording receives their9 own file number before staff members create a searchable summary. Back at city hall, staff copy the audio to two storage drives, verify the speaker's release form, and add keywords for neighborhoods, occupations, and dates. Researchers can then locate related interviews without listening through every file.

The studio remains useful for speakers who prefer its controlled setting, and the van extends the archive beyond city hall. Together,10 the two spaces let the archive preserve clear recordings without limiting whose memories can be included.

Question 1

Which choice makes the sentence most grammatically acceptable?

  1. ANo Change
  2. Bhave allowed
  3. Callows
  4. Dwere allowing
Show answer

Answer: C — allows

The subject's head noun is the singular word "range"; "neighborhoods" appears inside a prepositional phrase. The singular verb "allows" is required.

Question 2

Which choice best fits the sentence as written?

  1. ANo Change
  2. Bhave been
  3. Cis
  4. Dwere
Show answer

Answer: C — is

The subject is the singular noun phrase "A set of monitoring headphones," not the plural noun "headphones." The singular verb "is" agrees with "set."

Practice 51 Subject–verb agreement questions in the app

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