Pronoun-Antecedent Agreement and Ambiguous Reference Resolution

ACCUPLACER ESL Language Use Study Guide Exam

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1 Chapter 1: Overview, Test Mechanics & Sentence Basics

Current Exam Facts & Format Essential Sentence Components: Subjects, Predicates, and Clauses Identifying and Fixing Sentence Fragments, Run-On Sentences, and Comma Splices

2 Chapter 2: Nouns, Pronouns, and Agreement

Noun Categories, Pluralization Rules, and Count vs. Non-Count Nouns Pronoun Cases: Subjective, Objective, Possessive Pronouns vs. Possessive Adjectives Pronoun-Antecedent Agreement and Ambiguous Reference Resolution

3 Chapter 3: Verbs and Tense Mechanics

Subject-Verb Agreement Rules, Intervening Phrases, and Compound Subjects Primary Verb Tenses: Simple, Progressive, Perfect, and Perfect Progressive Tenses Irregular Verb Forms, Active vs. Passive Voice, and Modal Auxiliary Verbs

4 Chapter 4: Adjectives, Adverbs, and Modifiers

Adjective vs. Adverb Distinctions, Usage Rules, and Sentence Placement Comparative and Superlative Formations, Irregular Modifiers, and Usage Constraints Misplaced and Dangling Modifiers: Identification, Traps, and Revision Strategies

5 Chapter 5: Coordination, Subordination, and Sentence Combining

Coordinating Conjunctions (FANBOYS), Correlative Conjunctions, and Compound Sentence Construction Subordinating Conjunctions, Complex Sentences, and Punctuation Rules Advanced Sentence Combining: Transitions, Conjunctive Adverbs, and Relative Clauses

6 Chapter 6: ESL Grammar Traps, Prepositions, and Exam Strategies

Preposition Selection for Time, Place, Movement, and Dependent Preposition Phrases Common ESL Challenges: Articles (a/an/the), Negation, and Word Order Exam-Day Strategies: Analyzing Fill-in-the-Blank and Sentence-Combining Items

Pronoun-Antecedent Agreement and Ambiguous Reference Resolution

Key Takeaways Explain This Topic AI

A pronoun must agree with its antecedent in person (1st, 2nd, 3rd), number (singular, plural), and gender.

Singular indefinite pronouns (everyone, everybody, anyone, each, neither, either) take singular verbs and require consistent singular reference (for example, his or her or standard singular their ), while SANAM pronouns (some, any, none, all, most) depend on the noun in the modifying prepositional phrase.

Antecedents joined by and take plural pronouns, whereas antecedents joined by or or nor require the pronoun to agree in number with the nearer antecedent.

Ambiguous reference occurs when a pronoun could refer to more than one preceding noun; resolution requires replacing the ambiguous pronoun with an explicit noun or restructuring the clause.

Pronouns become unclear when more than one antecedent is possible or when the intended antecedent is only implied; a summary noun can clarify a pronoun that refers to a whole idea.

Last updated: August 2026

Fundamentals of Pronoun-Antecedent Agreement

An antecedent is the noun, noun phrase, or pronoun to which a subsequent pronoun refers. For a sentence to be grammatically clear and correct, pronoun choices must maintain a consistent person (first, second, or third), match the antecedent's number , and identify the intended referent without an unsupported shift. Singular they/their is standard when a singular person's gender is unknown, irrelevant, or nonbinary.

Indefinite Pronoun Antecedents: Agreement Rules

Indefinite pronouns do not refer to a specific person or thing. These agreement patterns are part of the noun-and-pronoun content area in the official Language Use blueprint.

Always Singular Indefinite Pronouns

The following indefinite pronouns are grammatically singular and require singular verbs. They may take a singular pronoun such as he or she or the now-standard singular they :

everyone, everybody, everything
someone, somebody, something
anyone, anybody, anything
no one, nobody, nothing
each, every, either, neither, one
Examples

Specified referent: Each of the female researchers presented her findings at the symposium.

Gender-Neutral Singular Antecedents: When the gender of a singular antecedent is unknown or non-specific, standard academic English permits singular their or his or her :

Every student must bring his or her ID card to the exam. OR Every student must bring their ID card to the exam.

Neither of the candidates has completed his or her application.

Always Plural Indefinite Pronouns

The following indefinite pronouns are always plural and require plural pronouns:

both, few, many, several

Example: Several of the doctors offered their services free of charge.

Variable Indefinite Pronouns (SANAM Rule)

The pronouns Some, Any, None, All, Most (remembered by the acronym SANAM ) can be singular or plural depending on the object of the preposition that follows them:

Plural Context: Some of the documents lost their formatting during transfer. ( documents is plural count → \rightarrow → plural pronoun their ).

Singular Context: Some of the water lost its clarity due to contamination. ( water is non-count mass → \rightarrow → singular pronoun its ).

Plural Context: All of the students completed their exams.

Singular Context: All of the equipment retained its protective coating.

Compound Antecedents and Agreement

When antecedents are joined by conjunctions, apply the following rules:

Antecedents Joined by And

Two or more antecedents joined by and form a compound subject and take a plural pronoun :

Dr. Aris and her research assistant published their paper in June.

Exception: If the compound subjects refer to the same single person or entity, use a singular pronoun:

Our trusted advisor and mentor delivered his keynote address.

Antecedents Joined by Or or Nor

When singular antecedents are joined by or , either...or , or neither...nor , use a singular pronoun :

Neither Mark nor Steven brought his computer to the meeting.

When a singular antecedent and a plural antecedent are joined by or or nor , the pronoun must agree with the nearer antecedent :

Neither the principal nor the teachers could find their schedule. ( teachers is closer → \rightarrow → plural their ).

Neither the teachers nor the principal could find her schedule. ( principal is closer → \rightarrow → singular her ).

Ambiguous Pronoun Reference and Resolution

Ambiguous reference occurs when a pronoun could logically refer to more than one preceding noun, leaving the reader uncertain of the sentence's meaning.

Identifying Ambiguous Reference

Ambiguous: When Ms. Davis spoke to Dr. Ellis, she was concerned about the clinical trial results. (Who was concerned—Ms. Davis or Dr. Ellis?)

Ambiguous: Take the battery out of the laptop and charge it . (What should be charged—the battery or the laptop?)

Strategies for Resolving Ambiguous Reference

Replace the pronoun with the explicit noun:

Clear: When Ms. Davis spoke to Dr. Ellis, Ms. Davis was concerned about the clinical trial results.

Restructure the sentence to clarify the actor:

Clear: Concerned about the clinical trial results, Ms. Davis spoke to Dr. Ellis.

Rephrase the object and verb structure:

Clear: Remove the battery from the laptop and charge the battery .

Whole-Idea and Implied Reference

Pronouns such as this, that, which, and it can refer to an idea or situation, but a summary noun is often clearer when the scope could be misunderstood.

Referring to a Whole Situation

Grammatical but broad: The company increased prices by 20 percent and reduced customer support staff, which angered the board of directors.

Analysis: The supplementary which clause refers to the preceding situation, not to one noun. This use is grammatical, but the intended scope may be clearer with a summary noun.

Clear summary noun: The company increased prices by 20 percent and reduced customer support staff, a strategy that angered the board of directors.

Clear new sentence: These actions angered the board of directors.

Implied / Missing Antecedent Errors

An implied reference error occurs when a pronoun refers to a noun that is suggested by the context but not explicitly written in the sentence:

Unclear agent: In the patient's medical handbook, they recommend taking the medication with food.

Analysis: The sentence never identifies who they are.

Revision: The patient's medical handbook recommends taking the medication with food.

Faulty: Because Arthur is an expert accountant, he spends most of his time doing it .

Analysis: It refers to the implied activity of accounting, but the noun accounting does not exist in the sentence.

Revision: Because Arthur is an expert accountant, he spends most of his time doing accounting work .

Avoiding Inappropriate Shifts in Pronoun Person

Maintaining consistent perspective is essential in academic writing. A common ESL error tested on the exam is shifting inappropriately between second person ( you ) and third person ( one , a student , they ):

Faulty Shift: When a student enters college, you must learn to manage your time effectively.

Analysis: Shifts from third-person singular ( a student ) to second-person ( you/your ).

Correct (Consistent Third Person): When a student enters college, they must learn to manage their time effectively.

Correct (Plural Third Person): When students enter college, they must learn to manage their time effectively.