The Top 10 Mistakes to Avoid in the B2 First Exam

Preparing for the Cambridge B2 First (FCE) exam can be both exciting and nerve-wracking. This internationally recognised qualification is a major milestone for many learners and opens doors to further study, work, and travel. But even strong students can fall into common traps that lower their scores. In this post, we will explore the top 10 mistakes to avoid in the B2 First exam—and how to make sure you don’t fall into them!

1. Misunderstanding the task in the writing paper

One of the most frequent mistakes in Part 1 or Part 2 of the Writing paper is failing to understand what the task is asking you to do. Candidates sometimes ignore the bullet points, write in the wrong format (e.g. writing a story when it should be an essay), or forget the purpose of the text.

How to avoid it:

  • Spend a minute or two analysing the task.
  • Highlight keywords and bullet points.
  • Ask yourself: Who is the reader? What is the purpose?
  • Stick to the correct format: essay, article, letter/email, review, or story.

2. Poor time management

Another classic mistake is spending too much time on one part of the exam, especially in Writing or Reading and Use of English. This can leave you rushing or missing out on marks at the end.

How to avoid it:

  • Practise under timed conditions.
  • Know how long you have for each part.
  • Don’t get stuck on a single question. Move on and come back later if needed.
  • Use the final few minutes to review your answers.

The Top 10 Mistakes to Avoid in the B2 First Exam

3. Overusing or misusing complex language

Trying to impress the examiner is fine, but using long or complex words incorrectly can backfire. Examiners reward clarity and accuracy more than unnecessary complexity.

How to avoid it:

  • Use vocabulary and grammar you feel confident with.
  • Learn a few high-level expressions and practise using them correctly.
  • Remember: a clear and natural sentence is better than a complicated one with mistakes.

4. Not answering all parts of the question in speaking

In Speaking Part 3, students often focus too much on one prompt and forget to cover the others, or they don’t engage in real discussion.

How to avoid it:

  • Practise discussing all options briefly.
  • Respond to your partner’s ideas with phrases likeThat’s true, but I think…orYes, and also...”
  • Make sure you answer the final question:Which one is best?”

5. Ignoring grammar accuracy

At B2 level, grammar should be solid. Frequent errors with tenses, articles, prepositions, and word order can drag down your score.

How to avoid it:

  • Review common grammar areas (especially those that are tested often).
  • Keep an error log of your mistakes and practise correcting them.
  • Get feedback on your writing and speaking from a teacher or language partner.

The Top 10 Mistakes to Avoid in the B2 First Exam

6. Weak linking and organisation in writing

Good writing isn’t just about vocabulary and grammar—it needs to be well organised and easy to follow. Students often forget to use clear paragraphing and linking expressions.

How to avoid it:

  • Use a structure: introduction, main points, conclusion.
  • Learn linking phrases (e.g. firstly, however, in contrast, in conclusion).
  • Leave space between paragraphs for clarity.

7. Not expanding answers in the speaking test

Short answers likeYes, I doorNo, not reallywon’t give you many marks. The examiners want to hear how well you can communicate.

How to avoid it:

  • Always add reasons, examples, or personal opinions.
  • Practise speaking in full sentences.
  • Use common FCE expressions:I’m not sure, but I suppose…/It depends, but usually...”

8. Not checking your work

A surprisingly common issue! In both Writing and Use of English, students often miss small mistakes that cost marks.

How to avoid it:

  • Always leave a couple of minutes at the end to check.
  • Look for spelling, agreement, and punctuation errors.
  • In Use of English, re-read the sentence to make sure your word or phrase fits grammatically and logically.

The Top 10 Mistakes to Avoid in the B2 First Exam

9. Listening without a strategy

It’s easy to panic if you miss something in the Listening test. Some students try to understand every word, and when they can’t, they lose focus.

How to avoid it:

  • Before listening, read the questions carefully.
  • Use the time before the audio starts to predict what you might hear.
  • Listen for meaning, not individual words.
  • Don’t worry if you miss something—just move on!

10. Not practising with real exam materials

Many students prepare with general English materials or random worksheets that don’t match the format or timing of the B2 First exam.

How to avoid it:

  • Use official Cambridge books or past papers.
  • Take full mock exams to get used to the pressure.
  • Familiarise yourself with the exact format of each paper.

Final Thoughts

The B2 First exam is challenging, but it’s also a chance to show off all the English skills you’ve worked so hard to develop. Avoiding these common mistakes can make the difference between a pass and a high score. Remember to prepare smart, practise regularly, and stay calm on exam day.

And one last tip? Believe in yourself. You’ve got this! 😉

If you really want to learn English but don’t know how to do it and where to start, don’t hesitate to contact us. Book an online English lesson with one of our certified and experienced English teachers and take a test and consultation! Tap the banner to learn more!


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My Lingua Academy is an online school of English language. We give one-on-one lessons to students of English of all ages and all levels of knowledge all around the world. With us you can prepare for written assignments and exams, attend a general or business English course, or have conversation classes with qualified English teachers who have years of experience.

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