Silvia Fernanda Alvarez Garca´blog

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GRAMMAR 1 DRAWING CONCLUSIONS WITH MUST  The modal verb must is an auxiliary verb that is used accompanied by an infinitive verb to express obligation or prohibition. So when is must used? We use it after any personal pronoun when we want to talk about obligations, duties, advice or strong needs. It can appear in affirmative or negative form. Modal verb must in the affirmative Must to express a moral duty. You must respect older people. Modal verb must in negative Mustn't express prohibition. Must not is used in more formal contexts. Students mustn't smoke at school. EXAMPLES He must be hungry . She  must  pay for all the expenses. Let me prepare dinner for you, you  must  be tired. You  must  make a reservation first. She   must  start all over again.   GRAMMAR 2 WILL BE ABLE TO: MODALS MAY AND MIGHT Will (or won´t) be able to +  base form: future ability  The form Be able to is used in English to talk about skills and also to...