Lesson 41 of 58 intermediate

Speaking: Vocabulary Range & Collocations

Sound Natural, Score Higher

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Real-world analogy

Using basic vocabulary in IELTS Speaking is like cooking with only salt and pepper. You can make food edible, but a chef who uses cumin, paprika, and fresh herbs creates something memorable. Collocations are your spice rack — the natural word combinations that make your English taste authentic.

What is it?

Vocabulary Range and Collocations in IELTS Speaking refers to your ability to use a wide variety of words and natural word combinations to express ideas precisely. The examiner assesses whether you can go beyond basic vocabulary, use topic-specific terms, and combine words the way native speakers naturally do.

Real-world relevance

In the real IELTS exam, a candidate discussing education might say: 'I think education is very important and good for people' (Band 5). A Band 7+ candidate would say: 'I firmly believe that education plays a pivotal role in personal development and career advancement.' The difference is vocabulary range and natural collocations.

Key points

Code example

VOCABULARY UPGRADE EXAMPLES FOR IELTS SPEAKING
================================================

Topic: TECHNOLOGY
-----------------
Band 5: "Technology is very good and helps people a lot."
Band 7: "Technology has revolutionised the way we communicate
         and has become an indispensable part of modern life."

Key collocations used:
- revolutionised the way
- indispensable part of
- modern life

Topic: ENVIRONMENT
------------------
Band 5: "Pollution is a big problem and we should fix it."
Band 7: "Environmental degradation poses a serious threat to
         future generations, and urgent measures need to be
         taken to mitigate its impact."

Key collocations used:
- environmental degradation
- poses a serious threat
- future generations
- urgent measures
- mitigate its impact

Topic: EDUCATION
----------------
Band 5: "University is important for getting a job."
Band 7: "Higher education equips students with transferable
         skills and broadens their horizons, which ultimately
         enhances their career prospects."

Key collocations used:
- higher education
- transferable skills
- broadens their horizons
- career prospects

COMMON COLLOCATION FIXES
========================
WRONG                    -->  CORRECT
do a mistake             -->  make a mistake
open the light           -->  turn on the light
strong rain              -->  heavy rain
say a joke               -->  tell a joke / crack a joke
make an exam             -->  take an exam / sit an exam
win experience           -->  gain experience
rise a question          -->  raise a question

Line-by-line walkthrough

  1. 1. The examples show real IELTS Speaking answers at Band 5 versus Band 7 level for three common topics.
  2. 2. Notice the Band 5 answers use basic, repetitive vocabulary: 'very good', 'big problem', 'important'.
  3. 3. The Band 7 answers replace these with precise collocations: 'revolutionised the way', 'poses a serious threat', 'enhances career prospects'.
  4. 4. Each Band 7 answer uses 3-5 natural collocations that flow together smoothly.
  5. 5. The Collocation Fixes section shows common errors that IELTS candidates make — these are words that do NOT naturally go together in English.
  6. 6. Learning the correct version of each collocation (e.g., 'make a mistake' not 'do a mistake') is essential for Band 7+.

Spot the bug

Find the collocation errors in this IELTS Speaking answer:

"I strongly think that technology has done a big impact on
education. Students can now do research in the internet and
gain informations very quickly. However, some people are
very addicted to their phones, which can do harm to their
health. At the end, I believe technology is a two-sides coin."
Need a hint?
Look for broken collocations, wrong prepositions, and incorrect word forms. There are at least 5 errors.
Show answer
Corrections: 'strongly think' -> 'firmly believe', 'done a big impact' -> 'had a significant impact', 'do research in the internet' -> 'do research on the internet', 'gain informations' -> 'gain information' (uncountable), 'very addicted' -> 'heavily addicted' or 'highly addicted', 'do harm' -> 'cause harm', 'At the end' -> 'In the end' or 'Ultimately', 'a two-sides coin' -> 'a double-edged sword' or 'a two-sided coin'.

Explain like I'm 5

Imagine you have a box of crayons. If you only have red, blue, and green, your pictures look okay but boring. But if you have 64 colours with names like 'turquoise' and 'crimson', your pictures look amazing! Collocations are like knowing which colours look best next to each other — 'heavy rain' sounds right just like blue sky looks right in a painting.

Fun fact

Research shows that native English speakers use approximately 70,000 collocations in everyday speech. IELTS examiners are trained to notice unnatural word combinations instantly — a single broken collocation can lower the impression of your vocabulary score even if the rest of your answer is strong.

Hands-on challenge

Record yourself answering this IELTS Part 2 topic: 'Describe a skill you learned that you are proud of.' In your answer, use at least 5 strong collocations (e.g., 'acquire a skill', 'steep learning curve', 'hands-on practice', 'sense of achievement', 'pay off in the long run'). Then listen back and check if the collocations sound natural.

More resources

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