1) The school should go in school uniform
2) In school should listen to teachers
3) If you dont understand the topic of the lesson you should approach the teacher and ask
4) In physical education classes should come to the health
5) If you were sick, you should bring a medical certificate.
1) School change shouldn't be run
2) If you're sick, you me to shouldn't schcool.
3) You shouldn't have brought your algebra book. It's tomorrow
4) He shouldn't have left his Desk during class.
5) She shouldn't have talked in class.