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Exercise 1
Read the sentences below and choose the one that is correctly punctuated, capitalized, and spelled. One sentence contains an error in punctuation, capitalization, or spelling. Select the sentence that is fully correct.
Example: Which sentence is correct?
A) learning a foreign language, improves your memory and concentration.
B) Learning a foreign language improves your memory and concentration.
C) learning a Foreign language improves your memory and concentration.
Answer: B) Learning a foreign language improves your memory and concentration.

How to Write an Opinion Essay: The Value of Learning Foreign Languages
An opinion essay asks you to present your personal viewpoint on a topic clearly and persuasively. You are expected to support your position with well-developed arguments, acknowledge an opposing view, and reach a balanced conclusion. This type of writing appears frequently in the Cambridge B2 First (FCE) examination and is also highly relevant in academic and professional contexts — for example, when writing to a newspaper, contributing to a school magazine, or responding to a debate prompt.
For this lesson, the topic is: "Is learning a foreign language worth the time and effort?" You will learn exactly how to structure your response, which linking phrases to use, and which common mistakes to avoid.
Essential Writing Rules and Sentence Structure
1. Write a Clear Thesis Statement
Your opening paragraph must state your position directly. Do not simply repeat the question — tell the reader what you believe and why it matters.
Example: "It is widely argued that learning a foreign language is one of the most rewarding investments a person can make in their education."
2. Use Topic Sentences to Open Each Paragraph
Every body paragraph must begin with a topic sentence that signals the main idea of that paragraph. This guides the reader and demonstrates organised thinking.
Example topic sentence: "One of the most significant advantages of language learning is the positive effect it has on cognitive development."
3. Develop Arguments with Evidence and Examples
At B2 level, a statement alone is not sufficient. Follow each claim with a reason, an example, or a generalised supporting detail. Avoid listing multiple points without explanation.
Weak: Learning languages is useful.
Stronger: Learning a foreign language equips individuals with communication skills that are highly valued in international workplaces, consequently improving their career prospects considerably.
4. Include a Concession (Counter-Argument)
A B2 opinion essay must acknowledge the opposing view before refuting it. Use concession structures such as "While it is true that...", "Although some people argue that...", or "Despite the fact that..."
Example: "While it is true that language learning demands a significant investment of time, the long-term personal and professional benefits far outweigh this initial commitment."
5. Use Formal Register Consistently
Opinion essays require formal or semi-formal register throughout. Avoid contractions (don't, can't, I'm), informal phrasal verbs (look into, put up with), and casual expressions (loads of, a lot of stuff). Use formal alternatives instead.
- Instead of look into → use investigate
- Instead of put up with → use tolerate
- Instead of loads of → use a considerable number of
- Instead of find out → use discover / ascertain
6. Punctuate Sentence Adverbs Correctly
Discourse markers used at the start of a sentence must be followed by a comma. This is a frequent error at B2 level.
✅ Furthermore, language learning enhances cultural awareness.
✅ Nevertheless, the difficulties involved should not be underestimated.
7. Use Passive Structures for an Objective Tone
The passive voice creates distance and formality, which is appropriate for opinion essays when presenting general facts or widely held views.
Examples:
- It is widely accepted that bilingual individuals demonstrate stronger problem-solving abilities.
- It has been suggested that exposure to other languages increases empathy and cultural sensitivity.
Useful Linking Words (Connectors)
The following connectors are essential for writing a well-organised B2 opinion essay. Study the function and example of each one carefully.
| Connector | Function / Use | Example Sentence |
|---|---|---|
| Furthermore | Adding a related point of equal or greater importance | Furthermore, speaking another language opens doors to new career opportunities. |
| Moreover | Adding a stronger or additional supporting point | Moreover, research suggests that language learners develop superior memory skills. |
| In addition to this | Introducing a supplementary argument | In addition to this, bilingual speakers are able to connect with people from diverse cultural backgrounds. |
| Nevertheless | Conceding a point while maintaining your overall argument | Nevertheless, the advantages of language learning clearly outweigh the challenges it presents. |
| Nonetheless | Maintaining a position despite an admitted difficulty | The process of learning a language can be demanding; nonetheless, it is undeniably rewarding. |
| Whereas | Contrasting two directly opposing ideas | Whereas some people regard language learning as unnecessary, others consider it an essential life skill. |
| While it is true that | Acknowledging an opposing view before refuting it | While it is true that language apps make learning accessible, they cannot replace formal instruction. |
| Despite the fact that | Conceding a point using a full clause | Despite the fact that many countries offer English-language services, knowing the local language remains invaluable. |
| In spite of | Conceding a point using a noun phrase or gerund | In spite of the considerable effort required, most learners report deep satisfaction upon achieving fluency. |
| On the other hand | Introducing a contrasting perspective | On the other hand, critics claim that the widespread use of English makes other languages less necessary. |
| Consequently | Showing a result or consequence | Consequently, multilingual employees are frequently preferred by international companies. |
| As a consequence | Indicating a formal cause-and-effect relationship | As a consequence, those who invest in language learning often experience greater social confidence. |
| For this reason | Summarising the cause before stating the effect | For this reason, foreign language education should be prioritised in school curricula. |
| Taking everything into account | Introducing a balanced final conclusion | Taking everything into account, the case for learning a foreign language is overwhelmingly persuasive. |
| On balance | Reaching a considered overall judgement | On balance, the cognitive, cultural, and professional rewards of language learning are beyond dispute. |
Model Writing Sample: The Value of Learning Foreign Languages
The following is a complete B2-level opinion essay written to Cambridge FCE standard (approximately 160 words). Read it carefully and study the annotations.
📝 Exam Prompt: "Some people believe that learning a foreign language is a waste of time and effort. Do you agree?"
[Opening Paragraph — Hook and Thesis Statement]
It is widely argued that, in an increasingly interconnected world, the ability to communicate in more than one language has never been more valuable. I strongly believe that learning a foreign language offers significant personal, professional, and cultural benefits that far outweigh the effort involved.
[Body Paragraph 1 — First Argument with Development]
To begin with, language learning has a demonstrably positive impact on cognitive development. Research has shown that bilingual individuals tend to demonstrate stronger problem-solving abilities and superior concentration skills. Furthermore, regular exposure to a new linguistic system has been linked to delayed onset of cognitive decline in later life. These intellectual rewards alone make the endeavour worthwhile.
[Body Paragraph 2 — Second Argument with Development]
Moreover, speaking a foreign language offers considerable professional advantages. In today's global economy, multilingual candidates are frequently preferred by international employers. Consequently, those who invest time in language learning often find their career prospects significantly enhanced.
[Body Paragraph 3 — Concession and Refutation]
While it is true that language learning demands sustained commitment and patience, this objection does not withstand scrutiny. In spite of the initial difficulties, most learners ultimately report a profound sense of achievement and a deeper appreciation of other cultures.
[Concluding Paragraph — Balanced Verdict]
On balance, the cognitive, professional, and cultural benefits of learning a foreign language are overwhelming. For this reason, I would strongly encourage everyone to embark on this rewarding journey, regardless of their age or background.
⬆️ Word Count: approximately 190 words — within Cambridge B2 First exam range.
Key Phrases and Sentence Starters
Introducing Your Opinion and Thesis
- It is widely argued that...
- In my view, it is beyond doubt that...
- I am firmly of the opinion that...
- It is my firm belief that...
- There is little doubt that...
- It cannot be denied that...
Presenting Arguments and Evidence
- To begin with, it is important to consider...
- One of the most compelling arguments in favour of... is...
- Research has demonstrated that...
- It has been widely reported that...
- A further point worth considering is...
- Not only does language learning improve..., but it also...
Contrasting and Conceding Points
- While it is true that..., it must be acknowledged that...
- Although some people argue that..., the evidence suggests otherwise.
- Despite the fact that..., the benefits remain clear.
- In spite of the difficulties involved, most learners...
- On the other hand, critics claim that...
- Whereas some regard... as unnecessary, others consider it essential.
- This objection does not withstand scrutiny because...
Concluding and Summarising
- On balance, it is clear that...
- Taking everything into account, the evidence strongly suggests...
- In conclusion, I would argue that...
- To summarise, the advantages of... considerably outweigh the disadvantages.
- For all these reasons, I firmly believe that...
- It is therefore my view that... should be strongly encouraged.
Common Writing Mistakes to Avoid
Mistake 1: The Comma Splice
❌ Learning a foreign language is demanding, it is also extremely rewarding.
✅ Learning a foreign language is demanding; however, it is also extremely rewarding.
Explanation: Two independent clauses cannot be joined with a comma alone. Use a semicolon, a conjunction, or separate them into two sentences.
Mistake 2: Missing the Comma After a Sentence Adverb
❌ Furthermore language learning enhances cultural awareness and broadens one's worldview.
✅ Furthermore, language learning enhances cultural awareness and broadens one's worldview.
Explanation: Discourse markers such as Furthermore, Nevertheless, Consequently, and Moreover must always be followed by a comma when they open a sentence.
Mistake 3: Confusing 'despite' and 'in spite of' with 'despite the fact that'
❌ Despite of the difficulties, many learners succeed.
✅ Despite the difficulties, many learners succeed.
Explanation: Despite is never followed by of. Use despite + noun/gerund or despite the fact that + clause. Similarly, use in spite of + noun/gerund, not in spite of that...
Mistake 4: Using Informal Register in a Formal Essay
❌ There are loads of reasons why you should learn a language — it's really worth it!
✅ There are numerous compelling reasons why language learning is considered an invaluable pursuit.
Explanation: Contractions (it's), informal quantifiers (loads of), and exclamations are entirely inappropriate in a formal opinion essay. Maintain consistent formal register throughout.
Mistake 5: Incorrect Use of 'Not only... but also' Inversion
❌ Not only language learning improves memory, but it also builds confidence.
✅ Not only does language learning improve memory, but it also builds confidence.
Explanation: When Not only appears at the beginning of a sentence, subject-auxiliary inversion is required. The auxiliary verb (does, is, has) must come before the subject.
Writing Checklist and Practice Task
B2 Opinion Essay Writing Checklist
Before you submit your essay, ask yourself the following questions:
- ✅ Have I written a clear thesis statement in the opening paragraph?
- ✅ Does each body paragraph begin with a strong topic sentence?
- ✅ Have I developed each argument with a reason, example, or supporting detail?
- ✅ Have I included a concession paragraph acknowledging the opposing view?
- ✅ Have I used at least four different discourse markers (connectors) accurately?
- ✅ Have I avoided contractions, informal vocabulary, and phrasal verbs throughout?
- ✅ Have I placed a comma after sentence-opening discourse markers?
- ✅ Have I used at least one passive structure for an objective, formal tone?
- ✅ Does my concluding paragraph offer a balanced final verdict?
- ✅ Is my essay between 140 and 190 words?
Your Practice Task
Read the following exam prompt and write a complete B2 opinion essay of between 140 and 190 words.
📝 Exam Prompt:
"You have recently seen the following statement in an international student magazine: 'Every secondary school student should be required to study at least one foreign language.' Write an opinion essay for the magazine, expressing your views on this statement."
Use the structure, connectors, key phrases, and checklist from this lesson to guide your writing. Remember to:
- State your opinion clearly in the introduction.
- Develop two main arguments in separate body paragraphs.
- Acknowledge a counter-argument and refute it.
- Write a clear and balanced conclusion.
- Maintain formal register throughout.
Now test your writing mechanics and sentence skills in the exercises below.
📄 Download the The Value of Learning Foreign Languages PDF
Download this The Value of Learning Foreign Languages grammar lesson as a free printable PDF.
It includes grammar rules, examples, and explanations so you can study offline anytime.