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Grammar Guide

TOEFL Subject-Verb Agreement: Rules for Build a Sentence

Subject-verb agreement is one of the most critical—and most tested—TOEFL grammar skills[4] in the TOEFL 2026 Build a Sentence task[1]. The verb must match the subject in number: singular with singular, plural with plural[5]. Get it wrong, and you get zero points[2]. Master this essential grammar rule to improve your TOEFL writing score.

Writing30 Team
9 min read
Singular
He/She/It + verb-s

"The student works hard."

Plural
They/We + verb (no -s)

"The students work hard."

Watch: Subject-Verb Agreement Explained

Complete guide to matching subjects with correct verb forms

Why Subject-Verb Agreement Is Critical

In the TOEFL 2026 format, Build a Sentence often includes both singular and plural verb forms among the scrambled words (e.g., "was" and "were"). Choosing the wrong one means zero points for that item. You must correctly identify the subject and match it with the right verb form.

The Basic Rule

Subject-verb agreement is simple in principle: the verb must agree with its subject in number. Singular subjects take singular verbs; plural subjects take plural verbs.

The Golden Rule

Singular subject = verb with -s (works, runs, is, has)
Plural subject = verb without -s (work, run, are, have)

Singular Examples

  • The student works hard.
  • She is studying.
  • He has finished.
  • The tour guide was helpful.
  • My brother lives in Paris.

Plural Examples

  • The students work hard.
  • They are studying.
  • We have finished.
  • The tour guides were helpful.
  • My brothers live in Paris.

Be Verb Forms

SubjectPresentPast
Iamwas
He/She/It (singular)iswas
You/We/They (plural)arewere

Finding the True Subject

The hardest part of subject-verb agreement is identifying the true subject. Don't be fooled by words that come between the subject and verb!

Key Strategy: Ignore the Middle

Words between the subject and verb (especially prepositional phrases) do NOT affect the verb choice. Find the main noun and match the verb to it.

Prepositional Phrases to Ignore

Example 1:

"The group of students is working."

Subject = group (singular) → verb = is

Example 2:

"The results of the experiment are surprising."

Subject = results (plural) → verb = are

Example 3:

"One of the books is missing."

Subject = one (singular) → verb = is

Wrong
  • "The group of students are studying."
  • "One of my friends have a car."
  • "The quality of these products are excellent."
Correct
  • "The group of students is studying."
  • "One of my friends has a car."
  • "The quality of these products is excellent."

Tricky Subjects

Some subjects look plural but are actually singular, or vice versa. These commonly appear in Build a Sentence items.

Subjects with Relative Clauses (who/that/which)

When a relative clause (who, that, which) comes between the subject and main verb, the main verb must agree with the main subject, not a noun in the relative clause.

"The tour guides who showed us around were fantastic."

Main subject = tour guides (plural) → main verb = were

"The student who studies hard succeeds."

Main subject = student (singular) → main verb = succeeds

"The food that we ordered was delicious."

Main subject = food (singular) → main verb = was

Special Cases

Always SINGULAR:

  • • News is on TV
  • • Mathematics is difficult
  • • Physics requires practice
  • • Economics studies money
  • • The United States is large

Always PLURAL:

  • • The police are coming
  • • People are waiting
  • • Scissors are sharp
  • • Pants are too long
  • • Glasses are on the table

Indefinite Pronouns

Indefinite pronouns (everyone, someone, nobody, etc.) are a common source of errors. Most are singular, even when they seem to refer to multiple people.

The Everyone Rule

Words ending in -one, -body, or -thingare always SINGULAR.

Indefinite Pronoun Chart

Singular (-one):

  • • everyone is
  • • someone has
  • • anyone wants
  • • no one knows

Singular (-body):

  • • everybody is
  • • somebody has
  • • anybody wants
  • • nobody knows

Singular (other):

  • • each is
  • • either works
  • • neither wants
  • • every student has
Wrong
  • "Everyone are invited."
  • "Nobody want to leave."
  • "Each student have a book."
Correct
  • "Everyone is invited."
  • "Nobody wants to leave."
  • "Each student has a book."

Collective Nouns

Collective nouns refer to groups of people or things. In American English, they're typically treated as singular.

Common Collective Nouns (Singular)

Groups:

  • • group is
  • • team plays
  • • family lives
  • • class studies

Organizations:

  • • committee decides
  • • company produces
  • • government announces
  • • university offers

Other:

  • • audience watches
  • • crowd cheers
  • • jury decides
  • • staff works

Note: In British English, collective nouns can take plural verbs when emphasizing individual members ("The team are arguing"). However, for TOEFL, follow American English conventions: collective nouns take singular verbs.

Agreement in Build a Sentence

In Build a Sentence, you'll often see both singular and plural verb forms among the word choices. Here's how to handle this:

Subject-Verb Agreement Strategy

Step 1: Find the subject

Identify the main noun that will perform the action

Step 2: Determine singular or plural

Is it one thing (singular) or multiple things (plural)?

Step 3: Choose the matching verb

Select was/is/has for singular; were/are/have for plural

Step 4: Ignore distractors

Prepositional phrases and relative clauses don't change the rule

Example: Build a Sentence with Agreement

Context:

"What was the highlight of your trip?"

Scrambled Words:

werethewasold cityshowed us aroundwhotour guidesfantastic

Analysis:

  • • Subject = "tour guides" (PLURAL)
  • • We have both "was" (singular) and "were" (plural)
  • • Plural subject → need "were"
  • • Discard "was" as a distractor

Correct Answer:

"The tour guides who showed us around the old city were fantastic."

Practice Examples

Test your subject-verb agreement skills with these Build a Sentence style exercises. For more comprehensive TOEFL grammar practice, see our TOEFL writing templates.

Practice 1

Context: "How is the class going?"

everyoneistheenjoyingarecourse
Reveal Answer

"Everyone is enjoying the course."

Why "is"? "Everyone" is always singular.

Practice 2

Context: "What happened to the documents?"

ofonetheisfilesmissingare
Reveal Answer

"One of the files is missing."

Why "is"? Subject is "one" (singular), not "files."

Practice 3

Context: "How are the new employees?"

thestaffisarefriendlyverynew
Reveal Answer

"The new staff is very friendly."

Why "is"? "Staff" is a collective noun (singular in American English).

Practice 4

Context: "What did you think of the food?"

wethatthewasfoodordereddeliciouswere
Reveal Answer

"The food that we ordered was delicious."

Why "was"? Subject is "food" (singular). The relative clause "that we ordered" doesn't change agreement.

Common Errors to Avoid

Subject-verb agreement errors are among the top 10 grammar mistakes that cost TOEFL points. Watch out for these common patterns.

Error 1: Matching Verb to Nearest Noun

Wrong

"The group of students are studying."

Correct

"The group of students is studying."

The subject is "group" (singular), not "students."

Error 2: Using Plural with Everyone/Everyone

Wrong

"Everyone have their own opinion."

Correct

"Everyone has their own opinion."

"Everyone" is always singular, even though it refers to many people.

Error 3: Wrong Verb After Relative Clause

Wrong

"The tour guides who helped us was fantastic."

Correct

"The tour guides who helped us were fantastic."

The main verb must agree with "guides" (plural), not "us."

Error 4: Collective Nouns with Plural Verbs

Wrong

"The committee are meeting tomorrow."

Correct

"The committee is meeting tomorrow."

In American English, collective nouns take singular verbs.

Quick Reference: Subject-Verb Agreement

Singular Verbs (is/was/has/-s)

  • • He, she, it
  • • One of the...
  • • Everyone, somebody, each
  • • Collective nouns (group, team)
  • • News, mathematics

Plural Verbs (are/were/have/no -s)

  • • They, we, you
  • • Plural nouns (students, guides)
  • • Both, few, many, several
  • • People, police
  • • Scissors, pants, glasses

Practice Subject-Verb Agreement

Get instant AI feedback on agreement and all grammar patterns for TOEFL 2026.

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References & Further Reading

  1. 2026 TOEFL Format RevealedTOEFL Resources Blog (Accessed: January 2026)
  2. TOEFL iBT Test Content and StructureETS Official Website (Accessed: January 2026)
  3. Subject-Verb AgreementPurdue Online Writing Lab (OWL) (Accessed: January 2026)
  4. Subject-Verb Agreement RulesGrammarly (Accessed: January 2026)
  5. Subject and Verb AgreementEnglishClub (Accessed: January 2026)

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subject verb agreementtoefl grammartoefl 2026build a sentencesingular pluralenglish grammar