Relacionar Columnas SHOULDVersión en línea SUGGESTIONS por Lucía Guerrero 1 Expresses an obligation that is not as strong as Must. 2 Expresses that a situation is likely in the future (prediction) 3 Expresses that a situation is likely in the present 4 Should is a modal verb 5 After Should 6 We use shouldn't Sometimes Should is used instead of Must to make rules, orders or instructions sound more polite. This may appear more frequently on formal notices or on information sheets. -On hearing the fire alarm, hotel guests should leave their room immediately. -Passengers should check in at least 2 hours before departure time. -You should never lie to your doctor. to give advice, a recommendation or a suggestion to advise not to do something, usually because it is bad or wrong to do. -We shouldn't leave without saying goodbye. -He shouldn't play with those wires if he doesn't know what he is doing. - They should win the game because they are a much better team. - I posted the cheque yesterday so it should arrive this week. - It should be fine tomorrow. -Mary should be at home by now. Give her a call. -He should have the letter by now. I sent it a couple of weeks ago. you use the base form of the infinitive (= verb without To e.g. Go instead of To Go)