Basic English Language Skills Continual/Continuous If something happens frequently, it is “continual”. E.g. The trains were continually late. If something happens all the time without interruption, it is “continuous”. E.g. It rained continuously for three days. “Its” indicates possession. E.g. The company improved its performance by hiring new staff members. “It’s” is a contraction of “it is”. E.g. It’s uncertain whether the company will meet the financial targets  this year. A “principal” is the head of a school or college. E.g. The principal declared that the school term would be extended by a week. A “principal” thing is a main or most important thing. E.g. His commitment to the task was the principal reason for his success. A “principle” is a fundamental rule or belief. E.g. It goes against my principles to eat meat. Developed for Oxbridge Academy Its/It’s Principal/Principle