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Word Formation (C1) – Worksheet 1

C1 Advanced WorksheetEnglish

This C1 worksheet practises word formation in context: noun, adjective and adverb suffixes, negative prefixes, verb-forming affixes and prefixed words such as over-, out- and mis-. It suits advanced learners preparing for exams like C1 Advanced, as well as anyone who wants more precise, natural vocabulary.

items
38
Time
35 min
PDF
5 pages
Answer key
Included
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Exercise 1: Form the correct word

Use the word in capitals to form a word that fits the gap.

Example: The ___ of the bridge took three years. (CONSTRUCT) → construction

  1. The of the new software took much longer than expected. (IMPLEMENT)

  2. The panel was impressed by her approach to the problem. (INNOVATE)

  3. The report highlighted a lack of funding over many years. (PERSIST)

  4. There has been a increase in remote working since last year. (SUBSTANCE)

  5. The two studies produced results, so further research is needed. (CONTRADICT)

  6. Many residents expressed their with the new parking rules. (SATISFY)

  7. The museum's collection is of great historical . (SIGNIFY)

  8. The team worked to meet the deadline. (TIRE)

Exercise 2: Negative prefixes

Complete each sentence with a negative form of the word in brackets.

Example: The instructions were completely ___ (clear). → unclear

  1. His argument was completely (logic); none of it made sense.

  2. It is (responsible) to leave young children alone near water.

  3. The new printer is (compatible) with older computers.

  4. The damage to the old building was (repair), so it had to be demolished.

  5. The figures in the report were (accurate), so they had to be checked again.

  6. After years of hard work, she felt (appreciate) by her manager.

  7. The doctor's handwriting was almost (legible).

  8. The witness's account was (consistent) with the evidence.

Exercise 3: Verbs formed with affixes

Complete the sentences with verbs from the box. There are two extra verbs that you do not need.

Word box clarifybroadenenableendangerwidenstrengthenmodernisejustifysimplifylengthen

  1. Could you what you mean by 'flexible hours'?

  2. Living abroad can really your horizons.

  3. The new funding will the school to hire more teachers.

  4. Rising water temperatures continue to many species of fish.

  5. The council plans to the main road to reduce traffic jams.

  6. Regular exercise helps to your muscles and bones.

  7. The company needs to its image to attract younger customers.

  8. How can you spending so much money on a single meal?

Exercise 4: Correct the mistakes

Each sentence contains one incorrect word form. Rewrite the sentence correctly.

Example: Her kind was appreciated by everyone. → Her kindness was appreciated by everyone.

  1. The company's success depends on the reliable of its products.

  2. She spoke very confident during the job interview.

  3. There is a growing awareness of the important of sleep.

  4. The scientists made a remarkable discover last year.

  5. His behaviour at the meeting was completely unaccepted.

  6. We need to find a more effectively solution to the problem.

  7. The lack of communicate between departments caused serious delays.

Exercise 5: Match the words with their meanings

Match each definition with a word from the box. There is one extra word that you do not need.

Word box outnumberoverestimatemisunderstandingreconsiderunderpaidself-sufficientirreversibleunderestimate

  1. to be greater in number than another group

  2. to think something is bigger, better or more important than it really is

  3. a failure to interpret something correctly

  4. to think again about a decision or opinion

  5. receiving too little money for the work you do

  6. able to provide everything you need without help from others

  7. impossible to change back to a previous state

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About this test

C1 word formation worksheet: suffixes, negative prefixes, verb-forming affixes and derived words in context, with answers for self-checking.

Topics covered

Word formationSuffixesNegative prefixesVerb-forming affixesError correctionC1 vocabulary

Notes for teachers

Start with Exercise 1 as a warm-up and ask students to say which part of speech each gap needs before they write the word. Typical mistakes are spelling changes (substance → substantial, repair → irreparable), choosing the wrong negative prefix (unlogical instead of illogical) and using an adjective where an adverb is needed. As a follow-up, ask students to choose five words from the worksheet and write a short paragraph on a topic of their choice that uses them.

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