6 Use "don't have to" verb (infinitive) To say that something is not necessary To say that there is no obligation 7 We don't have to wear a uniform at this school She doesn't have to work on Saturdays 8 Use "must" verb (infinitive) To talk about rules To talk about obligationsNo s Modal verbs don't add s after he/she/it He must come with us (NOT He must comes with us1 Rose and Ted MUST be good players They have won hundreds of cups !
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