Home of English Grammar

Grammar Guide
  • Home
  • Exercises
  • Matches
  • Rules
  • Tools
    • Grammar Checker
    • Very Replacer
    • Word Counter
  • Top Social Media Posts
  • Various Posts
  • Vocabulary
  • Writing Guides
  • Pro

Negative Prefixes Review Exercise

September 15, 2026 - B1pdf

Complete the 12 sentences below. Choose the best answer for each one.

Progress 0 of 12 answered
1I felt ............... in the meeting because everyone was arguing.
Wrong!
Use "uncomfortable" to mean not comfortable; "discomfortable" is not the normal adjective.
2Finishing all the reports before lunch seemed ............... .
Wrong!
Use "impossible" before words like possible; "unpossible" is not standard English.
3Parking in front of the hospital entrance is ............... .
Wrong!
Use "illegal" to mean against the law; "unlegal" is not the usual word.
4The bus takes an ............... route through three small villages.
Wrong!
Use "indirect" when a route is not direct; "undirect" is not the standard adjective.
5The trains are ............... on Sundays, so check the timetable first.
Wrong!
Use "irregular" for things that do not follow a regular pattern; "unregular" is not normally used.
6My manager is ............... with the new timetable.
Wrong!
Use "unhappy" to mean not happy; "inhappy" is not standard English.
7I would feel ............... if I shared my friend's secret.
Wrong!
Use "disloyal" to describe someone who is not loyal; "unloyal" is not the usual form.
8Laughing at a classmate's mistake looks ............... .
Wrong!
Use "immature" for behavior that is not mature; "unmature" is not the standard adjective.
9Be careful on the ............... surface near the old steps.
Wrong!
Use "uneven" when a surface is not level or smooth; "ineven" is not standard English.
10The address on the website was ............... , so we got lost.
Wrong!
Use "inaccurate" when information is not accurate; "unaccurate" is not the normal word.
11The receipt showed the ............... total, so I asked the cashier to check it.
Wrong!
Use "incorrect" to mean wrong; "uncorrect" is not the normal adjective.
12Changing the numbers in the results is ............... .
Wrong!
Use "dishonest" to mean not honest; "unhonest" is not standard English.
Done.
Score: 0/12
Share your score!

Answers

  1. I felt uncomfortable in the meeting because everyone was arguing.
  2. Finishing all the reports before lunch seemed impossible.
  3. Parking in front of the hospital entrance is illegal.
  4. The bus takes an indirect route through three small villages.
  5. The trains are irregular on Sundays, so check the timetable first.
  6. My manager is unhappy with the new timetable.
  7. I would feel disloyal if I shared my friend’s secret.
  8. Laughing at a classmate’s mistake looks immature.
  9. Be careful on the uneven surface near the old steps.
  10. The address on the website was inaccurate , so we got lost.
  11. The receipt showed the incorrect total, so I asked the cashier to check it.
  12. Changing the numbers in the results is dishonest.
  • Share
  • Post
  • Post
  • Reddit
  • Email
  • WhatsApp
NEW: Try Matches, our daily vocabulary challenge. Pick a topic and level and match words with definitions to boost your vocabulary.
2,485,429 
761,532 
Improve Your Grammar
  • Download 2026 Grammar Guide (PDF)
  • Free Weekly Exercises & Vocabulary
  • Join over 3 Million English Learners
We respect your privacy. Unsubscribe anytime.

Grammar Checker

GrammarCheck.net - Try online
Hint → Bookmark GrammarCheck for future use.

Latest Posts

  • 100 Pen Names and the Authors Behind Them September 15, 2026
  • Abjure vs. adjure: what is the difference? September 15, 2026
  • Yestermorn: a poetic word for yesterday morning September 15, 2026
  • 100 Historical Events Every Educated Adult Should Know September 15, 2026
  • 100 Best Synonyms for “Service” September 15, 2026
  • 100 Best Synonyms for “Guide” September 15, 2026
  • 100 Best Synonyms for “Integrated” September 15, 2026

Copyright © 2026 · EnglishGrammar.org
Contact · Disclaimer · Privacy Policy · Refund Policy · Sitemap · Terms

Improve Your Grammar
  • Download 2026 Grammar Guide (PDF)
  • Free Weekly Exercises & Vocabulary
  • Join over 3 Million English Learners
We respect your privacy. Unsubscribe anytime.