`1,` You should arrive at the show early

`2,` You shouldn't smoke

`3,` You ought to watch films in English to improve

`4,` You shouldn't interupt people when they're talking

`5,` You should asked the teacher to help you

`6,` You ought to see the doctor about you illness

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`@` Lời khuyên (should/shouldn't)

`->` S + should/shouldn't + Vbare-inf ...

`@` Trình bày quan điểm (yêu cầu, khuyên cao hơn should/shouldn't)

`->` S + ought to + (not) + Vbare-inf ...