Help your students understand how to use must and mustn’t with this clear and engaging ESL grammar worksheet set focused on rules, obligation, and prohibition.
This resource helps learners practice how to express rules, safety instructions, and strong obligations using simple and structured exercises designed for easy understanding.
Students build grammar accuracy while learning how to distinguish between what they must do and what they must not do, improving both written and real-life communication skills.
Perfect for ESL/EFL classrooms, grammar lessons, school rules topics, safety discussions, homework practice, and beginner-to-elementary learners.
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