Prefixes and suffixes exercise worksheet for language learners.

Let’s go step by step through each sentence. We need to use a prefix or suffix from the given lists to change the word in brackets into a new word that fits the sentence.

Prefixes: DIS-, UN-, IM-, RE-
Suffixes: -ING, -ED, -ANCE, -FUL, -ABLE, -LY, -OUS, -ER

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1. I can't answer this question. It's ............... (POSSIBLE).
→ “Can’t” means it’s not possible → add prefix IM- → impossible

2. Don't stand near the water. It's too ............... (DANGER).
→ Need an adjective describing something risky → add suffix -OUS → dangerous

3. I don't like this fish. It's not very well ............... (COOK).
→ Talking about how the fish was prepared → past participle → add suffix -ED → cooked

4. Kate started crying because she was so ............... (HAPPY)
→ Crying suggests sadness → opposite of happy → add prefix UN- → unhappy

5. If you have a haircut it will change your ............... (APPEAR)
→ Noun form needed → add suffix -ANCE → appearance

6. Paul never waits in queues. He is too ............... (PATIENT)
→ Not waiting = lacking patience → add prefix IM- → impatient

7. Thank you for your advice. You have been very ............... (HELP).
→ Describing someone who gives help → add suffix -FUL → helpful

8. Stealing other people's money is ............... (HONEST)
→ Stealing is dishonest → add prefix DIS- → dishonest

9. Our science ............... is very young . (TEACH)
→ Person who teaches → add suffix -ER → teacher

10. Harry didn't think the book was very ............... (INTEREST).
→ Book wasn’t interesting → add suffix -ING → interesting

11. A million pounds was given to the hospital by an ............... person (KNOWN)
→ Someone not known → add prefix UN- → unknown

12. When you ............... this paragraph, make it a bit shorter (WRITE)
→ Action of writing again → add prefix RE- → rewrite

13. Mary was wearing a/an ............... hat (USUAL)
→ Uncommon hat → add prefix UN- → unusual

14. That was a great film. It was really ............... (ENJOY)
→ Film caused enjoyment → add suffix -ABLE → enjoyable

15. I like this town. The people are very ............... (FRIEND)
→ People are kind and welcoming → add suffix -LY → friendly

16. I don't think you're right. I ............... with you completely (AGREE)
→ Disagreeing → add prefix DIS- → disagree

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Final Answer:

1. impossible
2. dangerous
3. cooked
4. unhappy
5. appearance
6. impatient
7. helpful
8. dishonest
9. teacher
10. interesting
11. unknown
12. rewrite
13. unusual
14. enjoyable
15. friendly
16. disagree