She should be/ought to be at John's place.
What are the possible meanings of this sentence? I think this sentence could mean "It is possible that she is at John's place." or "It is necessary for her to be at John's place."
She shouldn't be/ought not to be at John's place.
What are the possible meanings of this sentence? I think this sentence could mean "Maybe she is not at John's place." or "It is not suitable for her to be at John's place."
Am I correct? Please give me your opinion, thank you!