Home of English Grammar

Grammar Guide
  • Home
  • Exercises
  • Matches
  • Posts
  • Rules
  • Social Media Archive
  • Tools
    • Grammar Checker
    • Very Replacer
    • Word Counter
  • Vocabulary
  • Writing Guides
  • Explore 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.
Exercise complete
Score 0/12
Share your score!
More Exercises →

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: Improve your English grammar in just 15 minutes a day with EnglishGrammar Pro →

2,485,429 
761,532 
Improve Your English
  • Download 2026 Grammar Guide (PDF)
  • Free Weekly Exercises & Vocabulary
  • Join over 3 Million English Learners
We respect your privacy. Unsubscribe anytime.
Grammar Checker - Try Now

Latest Posts

  • 100 Best Synonyms for “Objectives” October 8, 2026
  • Captivating vs. enthralling vs. exciting vs. thrilling October 8, 2026
  • 100 Best Synonyms for “Pervasive” October 8, 2026
  • 100 Best Synonyms for “Deceived” October 8, 2026
  • Crisis vs. crises: How to choose the right form October 8, 2026
  • Combining Forms Exercise October 8, 2026
  • 100 Best Synonyms for “Major” October 8, 2026

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

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