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Common Grammar Mistakes Quiz

Common Grammar Mistakes Quiz - Free Errors Grammar Test - FreudlyTake a free common grammar mistakes quiz to practice and sharpen your common grammar mistakes skills. Quick, no sign-up needed. Start now!en
A focused 16-question assessment takes about 10 minutes; the common grammar mistakes quiz checks how confidently you handle frequent issues in everyday English. Your result highlights rules you already use well and areas needing review, offering a practical starting point for more accurate writing and editing.
Questions: 1610 minutes
Common Grammar Mistakes Quiz: situation and reply bubbles
July 22, 2026July 22, 2026Material has been updatedJuly 22, 2026Material has been published
8,039 views
743 completions
645 likes
Daniel HallPsychologist · Test reviewer
645 likes
Scale Explorer

How the Scales are Structured

Common Grammar Mistakes KnowledgeCGMK
Measures how well you recognize and correct common everyday English grammar errors across core rules and usage patterns.
example score7/16
7/16Developing accuracyexample score
0 – 6Foundations to review
7 – 12Developing accuracy
13 – 16Strong command
A score of 7 indicates developing accuracy, meaning you catch many common mistakes but may benefit from targeted editing practice to improve consistency.
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DATA-BASED USER COHORTS

Who Usually Takes This Test?

Students and exam takers
41%OF USERS
They use it to spot common errors that can lower grades or test scores in essays, reports, and timed writing.
Job seekers and professionals
34%OF USERS
They want to polish emails, resumes, and workplace documents by catching mistakes in punctuation, agreement, and word choice.
Everyday English learners
25%OF USERS
They take it to quickly check their grammar basics and learn which topics need more practice for clearer communication.
BASED ON AGGREGATED, ANONYMIZED DATA FROM TENS OF THOUSANDS OF FREUDLY USERS.
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See How You Compare

Once you complete the test, your results are compared with real-world data from people in your country.
Below is a preview of how scores are typically distributed across each scale.
Shaded area — where most people score
Dot — the average
You — your score lands on each curve after the test— your score, after the test
Common Grammar Mistakes KnowledgeCGMK
You?
Average9.5
Typical rangeTypical6.8 – 12.2
Possible0 – 16
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SAMPLE QUESTIONS

Example Questions From the Test

    • Walking through the park, the flowers looked especially bright.
    • Walking through the park, Maya noticed the bright flowers.
    • While driving to work, the rain began to fall.
    • After reading the report, several errors were obvious.
    • If I had known about the event, I would have attended.
    • If I had knew about the event, I would attend.
    • If I would have known about the event, I attended.
    • If I knew about the event, I would have attended.
    • Each of the students has submitted the assignment.
    • Each of the students have submitted the assignment.
    • Each of the student have submitted the assignment.
    • Each of the students were submitting the assignment.
WHAT THE TEST MEASURES

Common Grammar Mistakes Quiz - Description and methodology of the test

For learners, writers, and editors, the common grammar mistakes quiz offers a practical check of everyday rule knowledge. It focuses on sentence-level decisions that influence clarity in ordinary writing. In practical terms, the common grammar errors quiz shows how reliably respondents recognize errors rather than measuring broad language ability. The result points to strengths and gaps that can shape focused practice.

What This Assessment Explores

The questions sample rule knowledge in edited English. They ask respondents to notice an error, choose a correction, or apply a rule in an everyday context. The emphasis is sentence-pattern accuracy rather than vocabulary breadth or conversational fluency.

Its coverage reflects the most common grammar mistakes tested by this quiz, especially areas affecting clarity and correctness:

  • Modifier placement and completeness show whether an opening phrase connects to the right subject and forms a full thought.
  • Verb forms and agreement show whether tense, auxiliaries, and subjects work together.
  • Clauses and punctuation show whether independent ideas are joined and marked clearly.
  • Word choice, possessives, comparisons, and pronouns show whether fine distinctions fit context.

Common Grammar Mistakes Knowledge (0-16) summarizes performance across these areas. Foundations to review (0-6) calls for core-rule practice; Developing accuracy (7-12) indicates partial control; Strong command (13-16) indicates accurate handling of most tested patterns.

Methodology and Evidence Base

Each item presents a prompt with four answer choices and one best response. The situations involve editing, workplace communication, and everyday usage; the options distinguish correct forms from plausible errors. This multiple-choice design samples recognition and application on selected examples rather than extended writing or spontaneous speech.

Currie and Chiramanee (2010) provide the closest methodological reference: item format can affect measurement of language-structure knowledge. This questionnaire is conceptually consistent with that perspective, not an adaptation of their study. Huddleston and Pullum support distinctions involving agreement, clause structure, pronoun case, and possessives. Purpura supports viewing grammar as knowledge applied to meaningful use. These sources explain the judgment areas but do not establish norms for this questionnaire.

The result from this grammar mistakes assessment gives a snapshot of current rule recognition, not a complete measure of English proficiency. Selected answers are aggregated into the displayed total, and the band describes success on the tested patterns. No independent norming or validation sample is stated, so interpretation remains descriptive; attention and familiarity with examples can also affect performance.

Literature:
  • Currie, Michael, and Thanyapa Chiramanee. The effect of the multiple-choice item format on the measurement of knowledge of language structure. Language Testing, 27(4), 471-491, 2010. 10.1177/0265532209356790
  • Huddleston, Rodney, and Geoffrey K. Pullum. The Cambridge Grammar of the English Language. Cambridge University Press, 2002. 10.1017/9781316423530
  • Purpura, James E. Assessing Grammar. Cambridge University Press, 2004. 10.1017/CBO9780511733086

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