CEUET Language Proficiency — Error IdentificationCheat Sheet
One-page cheat sheet for CEUET Language Proficiency — Error Identification. Every formula, definition, and key fact you need for this chapter, condensed to a single printable page. Designed for the final review session before the CEUET 2026.
Exam context
Centro Escolar University runs the Centro Escolar University Entrance Test on Q3–Q4 2026. Its Language Proficiency section sits under a "Core" weighting, and Error Identification is the 4th chapter in the 7-chapter CEUET Language Proficiency rotation. The CEUET passing mark is Competitive overall score, and the most recent 2026 paper drew about a meaningful share of questions from Language Proficiency.
Error Identification - Cheat sheet
Your last-minute revision companion for Error Identification - master the 9 key error types and test-taking strategies
Sections
Section Title
The 9 Error Types to Check
Important Facts
- Always read the ENTIRE sentence before choosing an answer
- Option E (No Error) is correct about 20% of the time - don't avoid it
- Collective nouns (team, family, group) are usually singular
- Each, every, either, neither take singular verbs
- Compound subjects joined by 'and' are plural
- Subjects separated by 'or/nor' match the closer subject
Key Definitions
Term
Subject-Verb Agreement
Example
The dogs ARE barking (plural subject + plural verb)
Definition
The verb must match the subject in number (singular/plural)
Term
Pronoun Agreement
Example
Maria brought HER book (feminine singular)
Definition
Pronouns must agree with their antecedents in number and gender
Term
Parallelism
Example
I like running, swimming, and BIKING (not 'to bike')
Definition
Items in a series must have the same grammatical structure
Term
Idiom
Example
Different FROM (not 'different than')
Definition
Fixed expressions that must be used word-for-word correctly
Diagrams To Know
- Error identification flowchart
- Common error types hierarchy
Section Title
Verb Agreement Rules
Important Facts
- Indefinite pronouns: somebody, everyone, each = SINGULAR
- Neither...nor: verb agrees with the CLOSER subject
- Prepositional phrases don't affect subject-verb agreement
- Inverted sentences: verb still agrees with the subject
- Gerunds as subjects are always SINGULAR
Key Definitions
Term
Collective Noun Rule
Example
The team IS winning (one unit acting together)
Definition
Treat as singular when acting as one unit
Term
Compound Subject Rule
Example
John and Mary ARE coming
Definition
Two subjects joined by 'and' = plural verb
Section Title
Pronoun Errors
Important Facts
- Who = subject form, Whom = object form
- Its = possessive, It's = it is
- They/their cannot refer to singular nouns
- Reflexive pronouns need a clear antecedent in same sentence
Key Definitions
Term
Antecedent
Example
Maria lost HER keys (Maria = antecedent, her = pronoun)
Definition
The noun that a pronoun replaces or refers to
Term
Case Error
Example
Between you and ME (not 'I')
Definition
Wrong form of pronoun (I/me, who/whom, etc.)
Section Title
Common Preposition Pairs
Important Facts
- Differ FROM, different FROM
- Independent OF (not 'from')
- Comply WITH (not 'to')
- Capable OF (not 'to')
- Consist OF (not 'in')
- Rely ON (not 'in')
Key Definitions
Term
Idiomatic Preposition
Example
Different FROM (not 'than' or 'with')
Definition
Specific preposition required with certain words
Section Title
Synonyms and Antonyms Strategy
Important Facts
- Identify part of speech first (noun, verb, adjective)
- Eliminate look-alike/sound-alike distractors
- Use context clues from the sentence
- Determine if word is positive or negative
- Substitute each option to test meaning
Key Definitions
Term
Synonym
Example
Happy = joyful, glad, cheerful
Definition
Word with same or similar meaning
Term
Antonym
Example
Happy ≠ sad, miserable, gloomy
Definition
Word with opposite meaning
Must Remember
- Read the ENTIRE sentence before answering
- Check each underlined portion systematically
- Option E (No Error) appears in about 20% of questions
- Subject-verb agreement: identify the true subject, ignore prepositional phrases
- Pronoun agreement: check number, gender, and case
- Parallelism: items in series must have same structure
- Common idioms: different FROM, comply WITH, consist OF
- For synonyms/antonyms: check part of speech first
- Eliminate sound-alike distractors in vocabulary questions
- When in doubt, substitute options back into the sentence
Last Minute Tips
- If you can't find an error after checking all 9 types, choose E (No Error)
- Don't change an answer just because it 'sounds weird' - verify the actual error
- In synonym questions, eliminate options that are the wrong part of speech immediately
- For pronoun errors, always identify the antecedent first
- Trust your first instinct if you've applied the rules correctly
Comparison Tables
Rows
Values
- Its
- Possessive (belonging to it)
- The dog wagged its tail
Property
Its
Values
- It's
- It is/It has
- It's raining outside
Property
It's
Values
- Who
- Subject form
- Who is coming?
Property
Who
Values
- Whom
- Object form
- To whom did you speak?
Property
Whom
Columns
- Correct Form
- Meaning
- Example
Table Title
Its vs It's and Common Confusions
Rows
Values
- Singular
- Always singular verb
- Each student HAS a book
Property
Each/Every
Values
- Singular
- Singular verb
- Neither option IS good
Property
Either/Neither
Values
- Plural
- Plural verb
- Tom and Jerry ARE friends
Property
Compound with AND
Values
- Usually Singular
- Singular when acting as unit
- The team IS winning
Property
Collective nouns
Columns
- Type
- Rule
- Example
Table Title
Singular vs Plural Subjects
Previous chapter
Sentence Improvement & Correct Usage
Next chapter
Vocabulary — Synonyms, Antonyms & Analogy
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