You studied really hard for the exam. You should/shouldnt worry too much.
shouldnt
We’re in the library. We should/shouldnt keep quiet.
should
This is an important interview. It is necessary that you should/shouldnt be prepared.
should
You look tired. You should/shouldnt work too hard.
shouldnt
They should/shouldnt work double time. They have to meet the target this month.
should
You should/shouldnt drink and drive. It’s dangerous
should
There are a lot of crocodiles in that lake. You should/shouldnt swim there.
shouldnt
The children should/shouldnt eat more fruit and vegetables to be healthy.
should
You should/shouldnt come to school on time.
should
Children should/shouldnt use the gadgets while in school
shouldnt
The child should/shouldnt sleep early
should
you should/shouldnt relax a bit
should
It's too late the bus should/shouldnt be here
should
You're cheating that should/shouldn't be allowed
shouldnt
It's too late you should/shouldnt do your homework
should
