Constituting each and all members of a group without exception.
예문
1. The Olympic Games take place every four years. (올림픽 대회는 4년마다 개최된다) 2. every day (매일) 3. every second week (1주일 걸러, 2주마다) 4. Every third family has a car. (세 집 중 한 집은 차를 가지고 있다) 5. every fifth day (매 5일마다, 4일 걸러)
