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# Making deductions: expressing certainty and uncertainty
- URL: https://www.lessonpills.com/modals-deduction-making-inferences/
- Published: 2026-07-01T03:28:23.000Z
- Updated: 2026-07-19T15:07:44.000Z
- Description: Learn to confidently express how certain you are about a situation using modals of deduction, enhancing your ability to infer and troubleshoot real-world problems.
- Author: Lessonpills
- Tags: B2, Grammar, Practical English, Premium, Hedging and speculation

## Summary

Ever found yourself trying to piece together information to figure out what really happened, even when the full story isn't clear? This lesson, based on a fascinating article, will sharpen your ability to make logical deductions and express how certain or uncertain you are about a situation.

[![CTA Image](https://www.lessonpills.com/content/images/2026/07/icon128-2.png)](https://learn.lessonpills.com/modals-deduction-making-inferences?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/modals-deduction-making-inferences?ref=lessonpills.com) 

## Vocabulary

You'll expand your repertoire of useful expressions for discussing evidence and intuition, including **a gut feeling**, **to jump to conclusions**, and understanding what it means to make a decision **on the balance of evidence**.

## Grammar

The core grammar focus is **modals of deduction in the present and past**, showing you how to use 'must', 'can't', 'might', 'may', and 'could' to speculate about current or past events based on the information available.

## Practical English

Practise troubleshooting a problem at work with phrases like **my money's on the new software update** to express certainty, or **I'm not so sure about that** to politely suggest an alternative possibility.

## Discussion

Put your new language skills into practice with a dedicated speaking activity, allowing you to discuss various scenarios and make your own deductions.

[![CTA Image](https://www.lessonpills.com/content/images/2026/07/icon128-2.png)](https://learn.lessonpills.com/modals-deduction-making-inferences?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/modals-deduction-making-inferences?ref=lessonpills.com)