Possible agreement error: singular noun + plural verb

Collective nouns-group, team, committee-can be one unit or a collection of individuals. In formal American English, treat them as singular (the group is, its). In casual speech and many British varieties, plural agreement (the group are, their) is common. Below are quick fixes, rewrite patterns, and many examples for work, school, and casual contexts.

Short answer

In formal American English treat "the group" as singular: use singular verbs and pronouns (the group is ... its ...). If you mean the people inside the group, make the people the subject (The students in the group have ... their ...).

"The group of students has submitted its report." - formal American (preferred).
Informal/British: "The group of students have submitted their report." - conversational, not ideal for formal writing.
When you mean individuals, rewrite: "The students in the group have submitted their reports."

Core grammar: treat collective nouns as units in formal writing

Collective nouns name collections treated as a single entity. In formal American usage, match verb and pronoun to that unit (singular). When you mean members individually, make the members the grammatical subject and use plural agreement.

Subject = collective noun (the group) → singular verb (has/is) and singular pronoun (its).
If you mean the people inside the group, make them the subject: "The students in the group have ...".
British or casual contexts often allow plural agreement, but prefer singular in formal documents.

Right: The group of volunteers has appointed its leader.
Wrong: The group of volunteers have appointed their leader.

Real usage and tone: pick based on audience

Use singular agreement in reports, academic writing, and client-facing communication. In conversation, news reporting, and many British contexts, plural agreement is common when the speaker emphasizes members rather than the unit. When clarity matters, rewrite.

Formal American: "The group is meeting; its chair will open the session."
Casual/British: "The group are meeting; their chair will open things up."
If unsure in formal writing, prefer singular or rewrite to name the members.

Work (formal): The group of engineers has delivered its feasibility study.
Casual (spoken/British): The group of engineers are excited about their ideas.

Common mistake patterns and quick fixes

Two frequent errors: (1) a plural verb after a singular collective noun, (2) a plural pronoun (their/them) referring to a singular collective noun. These happen when your eye lands on the plural noun after "of" (students, employees).

Quick test: swap the collective noun with "it" - if it still reads naturally, use singular agreement.
If you mean individual members, rewrite so those members are the grammatical subject.
When editors expect British usage, check style notes before switching to plural agreement.

Wrong: The group of designers are presenting their mockups to the client tomorrow.
Right: The group of designers is presenting its mockups to the client tomorrow.
Wrong: The group of interns were unsure about their assignments.
Right: The group of interns was unsure about its assignments.

Rewrite patterns you can paste

Pick a template that matches your meaning and paste it into your sentence. Each pattern removes ambiguity.

Unit (formal): "The group has [verb] its [noun]."
Members (clear): "The [members] in the group have [verb] their [noun]."
Plural groups: "Several groups of [members] have [verb] their [noun]."

Original: The group of students have submitted their essays. - Unit
rewrite: The group of students has submitted its essays.
Original: The group of students have submitted their essays. - Members
rewrite: The students in the group have submitted their essays.
Original: The group of students have submitted their essays. - Plural groups: Several groups of students have submitted their essays.
Original: The group of employees updated their handbook. - Unit: The group of employees updated its handbook. - Members: The employees in the group updated their handbook.
Original: The group of players are picking their teams. - Unit: The group of players is picking its team. - Members: The players in the group are picking their teams.

Examples to copy: clear wrong/right pairs (work, school, casual)

Use these as templates. Each wrong line shows a common error; each right line fixes verb and/or pronoun agreement or offers a clear rewrite when the members are intended.

Work: use singular agreement in memos and client text; rewrite when discussing individual employees.
School: use singular for group projects in formal reports; use plural for individual students' actions.
Casual: plural agreement is frequent, but prefer clarity when writing.

Work - Wrong: The group of analysts have finalized their report.
Work - Right: The group of analysts has finalized its report.
Work - Wrong: The group of interns were confused about their schedules.
Work - Right: The group of interns was confused about its schedule.
Work - Rewrite: The interns in the group were confused about their schedules.
School - Wrong: The group of students have turned in their lab reports.
School - Right: The group of students has turned in its lab reports.
School - Wrong: The group of classmates were proud of their project.
School - Right: The group of classmates was proud of its project.
School - Rewrite: The classmates in the group were proud of their project.
Casual - Wrong: The group of friends are arguing about where to eat; their plans keep changing.
Casual - Right: The group of friends is arguing about where to eat; its plan keeps changing.
Casual - Rewrite: The friends in the group are arguing about where to eat; their plans keep changing.
General - Wrong: The group of researchers are revising their hypothesis.
General - Right: The group of researchers is revising its hypothesis.
General - Rewrite: The researchers in the group are revising their hypothesis.

Try your own sentence

Test the whole sentence, not just the phrase. Context often makes the correct agreement clear.

Fix your sentence: checklist and worked example

Checklist: identify the grammatical subject; decide whether you mean the unit or the members; match verb and pronoun; if ambiguous, rewrite so the members are the subject.

Step 1: Find the subject (look before the verb).
Step 2: Ask: do I mean the unit or the individuals?
Step 3: Match verb and pronoun (singular for unit, plural for individuals).
Step 4: If unclear, rewrite: "The [members] in the group [verb]...".

Original (ambiguous): The group of volunteers have their schedules posted online.
Fixed (unit): The group of volunteers has its schedule posted online.
Clear rewrite (members): The volunteers in the group have their schedules posted online.

Memory trick and quick rules

Keep two simple checks in mind: swap with "it" and decide whether you mean the unit or the individuals.

Swap-with-it test: Replace "the group" with "it." If the sentence still sounds right, use singular agreement.
If you mean the members, rewrite so the members are the subject: "The students in the group ...".
Prefer singular agreement in formal American writing; in informal British or spoken English plural agreement is common but check your audience.

Quick test: The group of volunteers has its leader → try it: It has its leader. Sounds natural → singular is correct.

Hyphenation, spacing, and punctuation notes

Do not hyphenate "group of" phrases; normal spacing applies. Punctuation around the "of" phrase doesn't change agreement but can affect clarity.

Write: "the group of students" (three words). Do not write "group-of-students."
Avoid inserting commas between a collective noun and its "of" phrase (don't write "group, of students").
If a long modifier follows, consider reordering: "The students in the group" often reads clearer.

Usage: Correct spacing: The group of volunteers, who arrived early, had its leader greet them.

Similar mistakes to watch for

Number agreement errors also occur with titles, measurement phrases, and appositives.

Titles/committees: In formal American writing, use singular: "The committee has reached its decision."
"A number of" vs "the number of": "A number of students are absent." vs "The number of students is increasing."
Appositives: Make the verb agree with the main subject, not the appositive: "My team, a group of designers, is ready."

Wrong: The committee have made their decision.
Right: The committee has made its decision.
Number phrase: A number of students are absent. / The number of students is increasing.

FAQ

Is "The group of students have finished" correct?

In formal American English, no. Use "The group of students has finished" or rewrite to "The students in the group have finished." In casual British English you may hear "have," but prefer singular for formal writing.

Should I use "their" or "its" after "the group of employees"?

If you mean the group as one unit, use "its." If you mean the employees individually, rewrite the sentence so they are the subject and use "their." Example: "The group of employees has updated its policy." vs "The employees in the group have updated their policy."

How can I check a sentence quickly?

Use the swap-with-it test: replace the collective noun with "it." If the sentence still makes sense, use singular forms. If not, rewrite so the individuals are the subject.

Does British English allow "the group are"?

Yes. British English commonly permits plural agreement with collective nouns when the emphasis is on members. For formal American writing, prefer singular agreement.

When should I rewrite instead of changing the verb?

Rewrite when your meaning focuses on individuals (different actions, individual possessions, or varied behavior). Use the members rewrite: "The [members] in the group have..." to make plurality explicit.

Want a quick second pair of eyes?

If you're unsure about a sentence, paste it into a grammar checker that flags agreement and pronoun issues and offers rewrite suggestions.

A quick check can catch when "group" should be singular and suggest a clear rewrite to avoid ambiguity.