True: should, shouldn´t, ought to: to give and ask for advice and recommendations, use must: to talk about rules, use mustn´t: for prohibition, use have to: for things which are obligatory or necessary. , False: use: must/ mustn't for giving a suggestion , use: mustn´t for advice, don´t have to: for things that are necessary, use be allowed to: talk about things that do not have permission to do.,

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