How to Develop Ideas in IELTS Task 2 (With Worked Examples)
Turn short, general claims into developed Task 2 arguments with a repeatable four-step method and worked Band 6-to-7 directions.
Quick answer
To develop an IELTS Task 2 idea, state one precise claim, explain why it is true, show its consequence, and add a relevant example only when the example proves the claim. Development means taking one idea further, not adding several loosely connected points. A focused paragraph with a visible chain of reasoning is usually clearer than a paragraph that lists three advantages without explaining any of them.
Use the claim–reason–result–example chain
A paragraph should answer the reader's next question at every step. After the topic sentence, the reader asks why the claim is true. After the reason, the reader asks what effect it has. An example should then make that effect concrete rather than introduce a new argument.
This chain is not a memorised sentence template. You can express it in two sentences or five. What matters is that each sentence advances the same central idea and that the final example clearly supports the position in the topic sentence.
- Claim: make one debatable point.
- Reason: explain the mechanism behind it.
- Result: identify who or what is affected.
- Example: illustrate the result in a plausible situation.
Why adding more ideas can lower clarity
Candidates often treat brainstorming notes as finished paragraphs. They write that public transport is cheap, fast, environmentally friendly, and convenient, but never explain how any one benefit changes people's behaviour. The paragraph contains relevant nouns yet remains underdeveloped.
Choose the point that is easiest to explain with cause and effect. If reducing congestion is your strongest point, show how reliable public transport changes commuter choices and how that reduces the number of private vehicles at peak times. Depth creates stronger Task Response and more natural cohesion at the same time.
Worked examples
Before-and-after IELTS Writing fixes
Weak direction
Public transport is good because it reduces traffic and pollution.
Stronger direction
Reliable public transport can reduce urban congestion because commuters are more willing to leave their cars at home when trains are frequent and predictable. For example, adding peak-hour services gives office workers a practical alternative to driving, which lowers the number of vehicles entering city centres each morning.
Weak direction
Online learning is convenient for students in many ways.
Stronger direction
Online courses widen access for learners who cannot relocate or attend fixed daytime classes. A parent working full time, for instance, can watch recorded lectures after work and complete assignments at weekends, making further education possible without sacrificing income.
Weak direction
Advertising is bad for children and should be controlled.
Stronger direction
Advertising aimed at young children should be restricted because they often cannot distinguish persuasion from factual information. Repeated promotion of high-sugar food can therefore shape preferences before children understand the health consequences, placing additional pressure on parents at the point of purchase.
Weak direction
Working from home saves time and is better for workers.
Stronger direction
Remote work can improve employees' daily wellbeing by removing long commutes. When a worker recovers two hours previously spent travelling, that time can be used for sleep, exercise, or family responsibilities, which may reduce fatigue without shortening productive working hours.
Weak direction
The government should pay university fees because education is important.
Stronger direction
Means-tested tuition support can give capable students from low-income families access to professions that require degrees. Without that support, admission may depend on family wealth rather than academic ability, leaving shortages in fields such as nursing and engineering even when qualified applicants exist.
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Self-check before you submit
- Can I underline one central claim in the paragraph?
- Does the next sentence explain why that claim is true?
- Have I shown a consequence rather than restating the claim?
- Does my example prove this idea instead of introducing a different one?
- Could I remove any list item without losing the argument?
Frequently asked questions
How many ideas should each IELTS Task 2 body paragraph contain?
One well-developed central idea is enough. A second closely related point can work, but several independent ideas usually leave too little space for explanation and support.
Do IELTS Task 2 examples have to be real?
They should be plausible and relevant, but you do not need research citations or exact statistics. A realistic example from public life, work, education, or personal observation can support the argument.
Continue with a related fix
IELTS Task 2 Topic Sentence Examples (Weak vs Strong)
See how precise topic sentences create paragraph focus without memorised phrases or unnecessary background.
IELTS Body Paragraph Examples for Band 7
Build paragraph unity and depth with complete before-and-after argument examples rather than fixed sentence templates.