Expressing obligation: must, mustn't, have to, don't have to

Expressing obligation: must, mustn't, have to, don't have to
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  • English as a Second Language (ESL)

  • Modals

  • Age 12+

  • level: Pre-Intermediate

  • English

คำแนะนำของผู้เขียน

A simple worksheet to reinforce the different between the affirmative and negative forms of "must" and "have to"