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Exercise 1
Read the sentences below and choose the one that is correctly punctuated, capitalized, and spelled. One sentence in each question contains an error in punctuation, capitalization, or spelling. Select the sentence that is completely correct.
Example: Which sentence is correct?
A) artificial intelligence, which is rapidly advancing is reshaping the global economy.
B) Artificial intelligence, which is rapidly advancing, is reshaping the global economy.
C) Artificial Intelligence which is rapidly advancing, is reshaping the global Economy.
Answer: B) Artificial intelligence, which is rapidly advancing, is reshaping the global economy.

How to Write a Discursive Essay: The Impact of Artificial Intelligence on Society
A discursive essay is one of the most demanding and rewarding writing tasks at C1 level. It requires you to present, evaluate, and critically assess two or more competing perspectives on a complex issue before arriving at a well-reasoned conclusion. Unlike a simple opinion essay, a discursive essay at C1 demands intellectual balance, nuanced judgement, and sophisticated argumentation.
The topic of artificial intelligence (AI) and its societal impact is an ideal subject for this genre, as it generates genuine debate across economic, ethical, and cultural domains. You may encounter this task type in the Cambridge C1 Advanced (CAE) Writing paper, Part 1 or Part 2, and it is essential to demonstrate range, precision, and coherence across 220–260 words.
Real-life contexts where this writing type appears:
- Academic journal articles and university assignments
- Broadsheet newspaper opinion columns and editorials
- Policy papers and think-tank publications
- Cambridge C1 Advanced (CAE) examination responses
Essential Writing Rules & Sentence Structure
1. Thesis-Driven Openings
At C1 level, your introductory paragraph must establish a clear, arguable thesis — not merely a statement of topic. Avoid announcing what you will write; instead, immediately signal your analytical stance.
❌ In this essay I will write about artificial intelligence.
✅ The accelerating integration of artificial intelligence into everyday life has provoked profound debate concerning its long-term consequences for employment, privacy, and human autonomy.
2. Complex Sentence Architecture
Vary your sentence structure by combining subordinate clauses, non-finite participle phrases, and inversion to create rhythmic, sophisticated prose.
- Participle clause: Having weighed the contradictory evidence, one must conclude that the benefits of AI remain conditional upon robust governance.
- Inversion: Seldom has a technological development provoked such polarised responses across the political spectrum.
- Cleft sentence: What remains incontrovertible is that unrestricted AI deployment carries significant ethical risks.
3. Nominalisation for Academic Register
Transform verb-heavy constructions into noun phrases to elevate register and achieve concision.
- ❌ When AI systems make decisions quickly, this can cause problems.
- ✅ The rapid autonomous decision-making of AI systems presents considerable ethical complications.
4. Balanced Paragraph Structure (PEEL)
Each body paragraph should follow a disciplined structure: Point → Evidence or Elaboration → Example → Link back to thesis. This ensures coherence and analytical depth throughout.
5. Concluding with Synthesis, Not Summary
A C1 conclusion should synthesise — that is, draw the threads of your argument together to reveal a broader implication — rather than simply repeating what was said.
Useful Linking Words (Connectors)
The following connectors are calibrated specifically to C1 discursive writing. Selecting the precise connector is critical; an incorrect choice signals a failure of register or logical clarity.
| Connector | Function / Use | Example Sentence |
|---|---|---|
| Notwithstanding | Formal contrast / concession (despite the fact that something exists) | Notwithstanding the productivity gains AI delivers, the displacement of skilled workers cannot be dismissed. |
| Albeit | Concession within a clause (though / even if) | AI has transformed medical diagnostics, albeit at the cost of significant data privacy concerns. |
| Inasmuch as | Cause / justification (to the extent that) | This approach is commendable inasmuch as it prioritises human oversight of algorithmic processes. |
| In light of the prevailing evidence | Logical conclusion based on evidence | In light of the prevailing evidence, a cautious and regulated approach to AI adoption appears indispensable. |
| Be that as it may | Formal concession before a counter-argument | Be that as it may, the economic opportunities generated by AI development are difficult to ignore. |
| It is widely contended that | Passive reporting of general opinion | It is widely contended that AI will fundamentally alter the landscape of professional employment. |
| To substantiate this contention | Introducing supporting evidence or elaboration | To substantiate this contention, one need only examine the rapid automation of financial trading systems. |
| Upon rigorous evaluation | Formal concluding phrase signalling considered judgement | Upon rigorous evaluation, the societal risks posed by unregulated AI outweigh its immediate commercial benefits. |
| A compelling case can be made for | Introducing a strong but qualified argument | A compelling case can be made for international cooperation in establishing binding AI governance frameworks. |
| In spite of the foregoing | Formal contrast acknowledging previous points | In spite of the foregoing concerns, dismissing AI's potential to solve global challenges would be premature. |
Model Writing Sample: Artificial Intelligence — Threat or Opportunity?
The following model essay responds to this Cambridge-style CAE prompt: "AI technology is transforming society at an unprecedented rate. Some believe this transformation is overwhelmingly positive, while others fear its consequences. Discuss both views and give your own opinion." (Target: 220–260 words)
📄 Model Essay
[Introduction — Thesis statement establishing the debate]
The accelerating integration of artificial intelligence into virtually every sphere of modern life has sparked considerable controversy. Proponents argue that AI represents an unparalleled opportunity for human progress, whilst critics contend that its unchecked proliferation poses grave risks to employment, privacy, and democratic governance.
[Body Paragraph 1 — Perspective in favour of AI]
Those who champion AI development point to its transformative potential across critical domains. In medicine, algorithmic systems have demonstrated a remarkable capacity for early disease detection, outperforming specialist clinicians in certain diagnostic tasks. Furthermore, the automation of repetitive cognitive labour is purported to liberate human workers for more creative and fulfilling pursuits. To substantiate this contention, one need only examine the dramatic efficiency gains AI has already delivered within logistics, climate modelling, and pharmaceutical research.
[Body Paragraph 2 — Counter-perspective / Concession and refutation]
Notwithstanding these achievements, the concerns raised by sceptics merit serious consideration. It is widely contended that large-scale automation will disproportionately disadvantage low-income workers, exacerbating socioeconomic inequality. Moreover, the concentration of AI capabilities within a handful of powerful corporations raises legitimate questions regarding accountability and the erosion of individual privacy. What remains incontrovertible is that, without robust regulatory frameworks, these risks will intensify considerably.
[Conclusion — Synthesis and qualified personal stance]
Upon rigorous evaluation, AI's capacity to benefit humanity is undeniable, albeit conditional upon the establishment of transparent, enforceable governance. A compelling case can be made for international cooperation in this regard; seldom has the necessity for such foresight been more urgent.
📊 Word count: 248 words ✅
Annotated Breakdown of the Model Essay
| Section | Function | Key C1 Feature Used |
|---|---|---|
| Introduction | Establishes the debate with a complex thesis; avoids announcing the essay's structure | Nominalisation (accelerating integration); balanced framing (whilst) |
| Body Paragraph 1 | Presents the pro-AI perspective with specific evidence and logical elaboration | Passive reporting verb (is purported to); elaboration phrase (To substantiate this contention) |
| Body Paragraph 2 | Introduces and critically evaluates the counter-perspective before refuting partially | Formal concession (Notwithstanding); cleft sentence (What remains incontrovertible is that) |
| Conclusion | Synthesises both positions; delivers a qualified, evidence-grounded personal verdict | Concessive (albeit conditional upon); inversion (Seldom has...); semicolon between related clauses |
Key Phrases & Sentence Starters
Introducing the Issue & Your Thesis
- The question of whether AI constitutes a force for progress or a source of peril has generated considerable scholarly debate.
- Few technological developments in recent history have provoked such polarised responses as...
- It has become increasingly apparent that the societal implications of AI extend far beyond...
- Central to this debate is the fundamental question of...
Presenting Arguments & Evidence
- Proponents of this view argue persuasively that...
- It is widely contended that...
- The findings are purported to demonstrate that...
- To substantiate this contention, one need only consider...
- In light of the prevailing evidence, it would appear that...
- A strong case can be made for the argument that...
Contrasting & Conceding Points
- Notwithstanding the undeniable advantages outlined above, it must be acknowledged that...
- Be that as it may, the concerns raised by critics deserve serious scrutiny.
- Whilst this argument carries some merit, closer examination reveals significant limitations.
- In spite of the foregoing, it would be premature to conclude that...
- Albeit a compelling position, this perspective fails to account for...
- While this may superficially appear sound, closer scrutiny reveals that...
Concluding & Synthesising
- Upon rigorous evaluation, it becomes evident that...
- All things considered, the most defensible position is that...
- Having weighed the contradictory evidence, one must conclude that...
- What remains incontrovertible is that...
- To recapitulate, the evidence strongly suggests that...
- A compelling case can be made for a measured, regulated approach to...
- Seldom has the necessity for comprehensive reform been more urgent than...
Common Writing Mistakes to Avoid
Mistake 1: Register Inconsistency (Mixing Formal and Colloquial Language)
❌ AI is basically taking over loads of jobs, which is really worrying for a lot of people.
✅ The large-scale automation of employment roles has generated considerable anxiety among economists and policymakers alike.
Explanation: Words such as "basically", "loads of", and "really" are colloquial and severely undermine the formal register required in C1 discursive writing. Replace them with precise, formal vocabulary and nominalised constructions.
Mistake 2: Comma Splice (Joining Independent Clauses with Only a Comma)
❌ AI offers remarkable benefits, it also poses serious ethical risks.
✅ AI offers remarkable benefits; however, it also poses serious ethical risks.
Explanation: Two independent clauses cannot be joined with a comma alone. Use a semicolon followed by a discourse marker (however, nevertheless, moreover), or restructure the sentence using a subordinating conjunction.
Mistake 3: Confusing 'Despite' with 'In Spite Of' — and Misusing Both
❌ Despite of the risks, AI development continues at pace.
✅ Despite the risks, AI development continues apace. / In spite of the risks, AI development continues apace.
Explanation: "Despite" is never followed by "of". Both "despite" and "in spite of" are followed directly by a noun phrase or a gerund (-ing form). Confusing these is an extremely common C1-level error.
Mistake 4: Vague or Sweeping Generalisations Without Qualification
❌ Everyone knows that AI will destroy all jobs in the future.
✅ It is widely contended that accelerated automation may displace a significant proportion of the current workforce, particularly in sectors reliant on routine cognitive tasks.
Explanation: At C1 level, sweeping claims must be qualified with modal verbs (may, might, could), passive reporting verbs (it is argued that, it is widely contended that), or hedging adverbs (potentially, arguably, reportedly) to reflect academic precision and intellectual nuance.
Mistake 5: Missing Comma After a Fronted Discourse Marker or Adverbial
❌ Notwithstanding the benefits AI development must be carefully regulated.
✅ Notwithstanding the benefits, AI development must be carefully regulated.
Explanation: When a sentence opens with a fronted adverbial phrase, prepositional phrase, or discourse marker (Notwithstanding, Furthermore, Having considered, In light of this), a comma is required before the main clause. Omitting it is a punctuation error that disrupts readability.
Writing Checklist & Practice Task
C1 Discursive Essay Writing Checklist
Before submitting your essay, review each point carefully:
- ✅ Word count: Is your essay between 220 and 260 words?
- ✅ Structure: Does your essay have a clear introduction (with thesis), two developed body paragraphs, and a synthesising conclusion?
- ✅ Thesis: Does your introduction present a clear, debatable position — not merely announce the topic?
- ✅ Balance: Have you presented and evaluated both perspectives fairly before reaching your own conclusion?
- ✅ Nominalisation: Have you used noun phrases rather than verb-heavy constructions wherever appropriate?
- ✅ Sentence variety: Have you used at least one inversion, one cleft sentence, or one non-finite participle clause?
- ✅ Cohesive devices: Have you used formal C1 connectors (Notwithstanding, Albeit, In light of, Upon rigorous evaluation) rather than basic ones (but, also, in conclusion)?
- ✅ Register consistency: Is every sentence written in a formal academic register, with no colloquial vocabulary or expressions?
- ✅ Hedging and qualification: Have you used modal verbs and passive reporting verbs to avoid sweeping generalisations?
- ✅ Punctuation: Have you placed commas after all fronted adverbials, used semicolons correctly, and avoided comma splices?
- ✅ Conclusion: Does your conclusion synthesise — drawing out a broader implication — rather than simply restating your points?
- ✅ Collocational accuracy: Have you used precise collocations (exert influence, spark controversy, cast doubt upon, wreak havoc) rather than vague verb choices?
Practice Writing Task
✍️ Your Task:
You have read the following extract from an international online forum on technology and society:
"Artificial intelligence is the greatest technological achievement of our era. Whether we examine healthcare, education, environmental science, or economic productivity, AI is already delivering transformative improvements that no previous technology has matched. Society should embrace it wholeheartedly and without reservation."
Write a discursive essay for your university academic journal in which you:
- Evaluate the argument presented in the forum extract
- Present and assess a contrasting perspective on AI's societal impact
- Arrive at your own justified, nuanced conclusion
Write 220–260 words in an appropriately formal academic register.
Use the key phrases, sentence structures, and cohesive devices from this lesson to demonstrate C1-level writing proficiency. Refer to the checklist above before considering your essay complete.
Now test your writing mechanics and sentence skills in the exercises below.
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