Say it Professionally: Modal Verbs in Business English

Learn how to use modal verbs in business communication! This practical Business English lesson explains how CAN, COULD, and MUST help you communicate clearly in professional emails, workplace conversations, client requests, and company policies.
Choosing the right modal verb can make your message more polite, confident, or authoritative. Discover how to describe abilities, request permission, make courteous requests, and express obligations and logical deductions.
In this lesson, you’ll learn:
✅ CAN for professional skills, capabilities, and informal permission
✅ COULD for polite requests and past ability
✅ MUST for strict requirements and strong logical deductions
✅ Three essential grammar rules for modal verbs
✅ Examples from client correspondence, project planning, HR, and compliance
✅ 10 practice questions with explanations
Practice useful workplace sentences:
• “Our software can process 10,000 queries per second.”
• “Could you please send the quarterly projections?”
• “All staff must complete cybersecurity training by Friday.”
Ideal for adult and teenage ESL/EFL learners, professionals, and anyone improving their Business English grammar and workplace communication skills.
💬 Write a business sentence using can, could, or must in the comments!
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Now you can learn English quickly by yourself at home for free step by step! This video gives you a topic for conversation, something to speak about, as well as some words and phrases to use. Great for teachers and students of English as a second language (ESL) both in the classroom and as self-study.
