Common Grammar Mistakes Quiz
See how strong your grammar skills are in just 10 minutes. Answer 16 real world items to spot common errors and get a quick score showing where to improve, no sign up needed.


08:30
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DATA-BASED USER COHORTS
Who Usually Takes This Test?
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.
Below is a preview of how scores are typically distributed across each scale.
Common Grammar Mistakes Knowledge (CGMK)
Common Grammar Mistakes Knowledge (CGMK)
Average
9.5
Normal range
6.8 — 12.2
min.
0
max.
16
This curve shows how scores are typically distributed.
Once you complete the test, your result will appear on the scale so you can see how you compare.
Once you complete the test, your result will appear on the scale so you can see how you compare.
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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
About This Assessment
Common Grammar Mistakes Quiz - Symptoms and Signs
Take this free Common Grammar Mistakes Quiz to check how well you recognize and correct everyday English errors. Work through 16 practical questions on sentence structure, agreement, punctuation, pronouns, modifiers, verb forms, possessives, and commonly confused words. Your score provides a concise summary of your current grammar knowledge and areas that may benefit from more practice. It is quick to complete, and no sign-up is required.
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