Business English Grammar Mistakes That Cost You Credibility

Small Grammar Mistakes Are Costing You More Than You Think

Your English is strong — but in high-level work environments, even minor grammar errors can quietly undermine your credibility. Colleagues and managers don't stop to analyze your grammar. They simply respond to how clear, precise, and authoritative your message sounds. Small mistakes create hesitation, reduce trust, and shape how others perceive your competence and leadership potential.

If grammar errors are limiting your client contracts, your promotional opportunities, or your confidence in professional communication, this course is designed for you.

What This Course Covers

This is a focused, high-impact business writing and grammar course built specifically for non-native English professionals at the upper-intermediate to advanced level. In just 1.5 hours of video instruction, you'll target the specific grammar issues that most affect how your workplace communication is perceived.

This is not a general grammar course — and it's not for beginners. It's for professionals who already use English at work every day and want to eliminate the errors that are quietly holding them back.

Why These Grammar Mistakes Matter at Work

In professional settings, communication is judged instantly. Even minor errors in your emails, reports, and workplace messages can:

• Reduce clarity and create confusion

• Weaken your professional credibility

• Influence how colleagues and managers perceive your attention to detail

• Limit your visibility for promotions and leadership opportunities

The grammar covered in this course was selected based on linguistic research and real-world data on non-native English professionals — targeting the errors that occur most frequently and have the greatest impact on clarity and credibility in business communication.

What You Will Learn

By the end of this course, you will be able to:

• Identify high-impact grammar mistakes in professional English to strengthen trust at work

• Use articles, prepositions, and verb tenses more accurately in business writing

• Fix sentence structure issues that reduce clarity in emails and reports

• Edit your own writing quickly and confidently before sending

• Apply grammar improvements immediately in real workplace communication

18 Case-Based Practice Exercises — Built Around Real Workplace Scenarios

Rather than isolated grammar drills, this course includes 18 carefully designed practice exercises based on realistic professional communication — emails, reports, workplace messages, and more.

Each exercise is built around a real workplace scenario where grammar, clarity, and tone directly affect how your communication is perceived. You won't just identify errors — you'll understand why they matter and how to fix them independently in your own writing.

These exercises will help you:

• Reinforce key grammar concepts through active, contextual practice

• Identify and correct errors in realistic business writing situations

• Build accuracy and confidence in your day-to-day professional communication

Who This Course Is For

This course is designed for:

• Non-native English speakers using English professionally at work

• Professionals in business, finance, tech, consulting, healthcare, or any field where written communication matters

• Anyone who writes emails, reports, proposals, or workplace messages in English

• Upper-intermediate to advanced English speakers who want to refine — not relearn — their grammar

If you're a beginner looking for foundational grammar instruction, this course is not the right fit. This program assumes your English is already strong and focuses on the high-impact refinements that separate good communication from truly credible communication.

A More Efficient Approach to Professional Grammar

Most grammar courses are long, general, and built for language learners — not working professionals. This course takes a different approach.

Every lesson is intentionally concise and targeted. You won't wade through content you don't need. Instead, you'll focus only on the grammar patterns that matter most in professional English — the ones backed by research on how non-native speakers communicate in business settings.

The result: faster improvement, less time away from work, and skills you can apply the same day.

About Your Instructor

I'm Shira Packer, a university professor with over 20 years of experience helping professionals communicate clearly in English. I have taught in conjunction with Canada's top business school, bringing university-level grammar and business writing instruction to working professionals.

In this course, I'll show you exactly how to spot and fix the small errors that make a big difference in how your communication is perceived — practical, research-backed strategies typically found only in graduate-level business programs, without the barriers of time or cost.

My teaching is grounded in real workplace communication, not textbook exercises. Every concept I teach, I've seen make a measurable difference for professionals across industries.

What You'll Walk Away With

• Clearer, more professional written communication

• Stronger credibility and presence in emails, reports, and workplace messages

• Greater confidence in your business English — immediately

• A practical editing process you can apply to everything you write going forward

Your communication should reflect your expertise — not limit it.

If you're ready to eliminate the grammar mistakes that are quietly costing you credibility at work, this course will show you exactly how — in under two hours.