Modal deduction — present — The Brain That Predicts Everything
Grammar: Modal Verbs
Free ESL grammar exercise on modal deduction — present themed around the brain that predicts everything. Printable worksheet from EnglishPlans.com.
What's on this worksheet
A Level 5 (advanced) ESL grammar exercise on science, practising modal verbs. The worksheet has a short reading excerpt, a grammar reference and graded practice items.
From the reading
Around 11 million bits of sensory information reach the human brain every second. That discrepancy must tell us something fundamental about what the brain is actually doing. Perception itself might be a form of controlled hallucination.
Grammar: Modal Verbs
- must — near certainty
- That discrepancy must tell us something fundamental. — strong deduction from evidence
- can't — logical
- The brain can't be a passive receiver — the data shows the opposite. — ruling out with confidence
Sample items
- He hasn't slept in 36 hours — he ______ be exhausted.
- That ______ be the correct answer — the data directly contradicts it.
- The brain ______ be prioritising speed over accuracy in high-pressure situations.
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