There are strict rules about safety in the lab.
So, students have to abide by school rules.
We speak in English without memorizing rules.
They avoid ignoring safety rules at all costs.
So, he has to abide by certain rules and regulations.
Every student has to follow the rules of Vasanth Academy.
How much time did you spend to memorize the rules of Tense?
How much time did you spend to memorise the rules of grammar?
Students of Vasanth Academy have to obey the rules of their teachers.
Everyone of them has to obey the rules and regulations of the society.
All the people of a country have to follow the rules of the government of that country.