HomeGrammarMust Be – A DeductionMust Be – A Deduction admin 7 February 2017 Grammar No Comments Must Be – A DeductionWe use the structure “Must be” when we think we know something, but we are not 100% sure – we are making a deduction / assumption about a situation. Follow the expressions; Tweet Pin It Related Posts Differences Between Adjectives and Adverbs Ask – Reported Speech Modal Verbs – Can, Could, Will, WouldAbout The Author admin