You shouldn't be here vs You're not supposed to be here

When to use each in English, with meaning, register, and examples.

You shouldn't be here

Beyond 10,000 (less common)

You're not supposed to be here

Top 2,000 (common)
Most common: You're not supposed to be here
 You shouldn't be hereYou're not supposed to be here
Pronunciation🇬🇧 //juː ˈʃʊdnt biː hɪə//🇺🇸 //juː ˈʃʊdnt biː hɪr//🇬🇧 //jʊəŋˈnɒt səˈpəʊzd tə biː hɪə//🇺🇸 //jʊər nɑt səˈpoʊzd tə bi hɪr//
MeaningIt's not right for you to be here.A phrase meaning you shouldn't be in a certain place.
ExampleWhen I saw him in the staff room, I thought, 'You shouldn't be here.'When I found him in the office after hours, I said, 'You're not supposed to be here.'
RegisterNeutralNeutral
How commonBeyond 10,000 (less common)Top 2,000 (common)
Collocationsshouldn't be here, not supposed to be here, should not be herenot supposed to be, supposed to be here, here after hours, in this area, at this event
Common mistakesOmitting 'shouldn't' makes it sound too aggressive., Confusing with 'You shouldn't go here', which changes meaning., Mixing up with 'You are not supposed to be here', which sounds less direct.Using it with formal language; it's more casual., Confusing 'supposed to' with 'suppose' alone., Not understanding the implication of authority in the phrase.
Usage notesUsed to express disapproval or concern about someone's presence. Can be formal or informal depending on tone.Used to indicate that someone is in an unauthorized or inappropriate location. Suitable for general use but may sound confrontational in some contexts.

See it in real clips

You shouldn't be here
You're not supposed to be here

Frequently asked questions: You shouldn't be here vs You're not supposed to be here

What's the difference between You shouldn't be here and You're not supposed to be here?

You shouldn't be here: It's not right for you to be here. You're not supposed to be here: A phrase meaning you shouldn't be in a certain place.

Which is more common: You shouldn't be here and You're not supposed to be here?

You're not supposed to be here is the most common in everyday English.

Can you show an example of each?

You shouldn't be here: When I saw him in the staff room, I thought, 'You shouldn't be here.' You're not supposed to be here: When I found him in the office after hours, I said, 'You're not supposed to be here.'

Can I use You shouldn't be here and You're not supposed to be here interchangeably?

Not always. You shouldn't be here and You're not supposed to be here are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.