[ Auxiliary and Modal Verbs ]
What is the main function of the modal auxiliary ‘must’?
A. Expressing obligation
B. Expressing probability
C. Asking for permission
D. Forming passive tenses

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PRESENT SIMPLE - CHILDRENVocabulary and DefinitionsGrammar: Reported QuestionsModal SpeculationSentence Structure and PunctuationModals for Ability, Possibility and PermissionIntermediate GrammarPassive VoicesPossessive Adjectives & Possessive PronounsHow many / How much - Is there / Are thereOther quiz:
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