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# Workplace rules: using 'must' for obligation
- URL: https://www.lessonpills.com/combat-online-disinformation/
- Published: 2026-06-30T19:23:01.000Z
- Updated: 2026-07-19T15:25:54.000Z
- Description: Learn essential English for the office, mastering how to discuss workplace rules and obligations using 'must' and practical phrases like 'Is it okay if I...?'
- Author: Lessonpills
- Tags: B1, Work, Grammar, Practical English, Premium, Modal verbs

## Summary

Understanding rules at work is important for everyone. This lesson uses a real article to help you learn about common workplace rules and how to talk about them in English. You will practise using 'must' to express what people need to do.

[![CTA Image](https://www.lessonpills.com/content/images/2026/07/icon128-2.png)](https://learn.lessonpills.com/combat-online-disinformation?ref=lessonpills.com) 

Ready to practise? This interactive lesson includes vocabulary, grammar, and comprehension exercises — all based on real English content. 

[Start the lesson ](https://learn.lessonpills.com/combat-online-disinformation?ref=lessonpills.com) 

## Vocabulary

Students will learn useful phrases for the workplace, including **follow the rules**, **smart casual**, and **show up on time**. You will also learn how to ask politely, '**Is it okay if I...?**' and understand what '**against the rules**' means.

## Grammar

The main grammar point is using the modal verb **must**. You will learn how to use 'must' to talk about strong rules and obligations, and 'must not' for things that are not allowed in a workplace.

## Practical English

This lesson helps you discuss common workplace situations and rules. You will practise asking for permission politely with phrases like '**Is it okay if I...?**' and talking about what is allowed or not allowed.

## Discussion

There is a speaking activity where you can discuss different workplace rules and share your opinions. This is a great chance to use the new vocabulary and grammar.

## Reading

The lesson includes an engaging article about workplace rules. You will read and understand the main ideas and specific details from the text.

[![CTA Image](https://www.lessonpills.com/content/images/2026/07/icon128-2.png)](https://learn.lessonpills.com/combat-online-disinformation?ref=lessonpills.com) 

Ready to practise? This interactive lesson includes vocabulary, grammar, and comprehension exercises — all based on real English content. 

[Start the lesson ](https://learn.lessonpills.com/combat-online-disinformation?ref=lessonpills.com)