when is on the Basic English 850 List.
- at what time; on what occasion
- "When did you start learning English?" – "Three years ago."
- "When does the film start?" – "At seven o'clock."
- When was the last time you went to your local library?
- at the time
- She phoned me when I was in the bath.
- It was the year 1996 when I met John.
- after
- When I get up, I always drink a cup of coffee.