We use the past simple tense in the following situations, when we talk about:
1. Completed actions in the past
- We ate out yesterday.
 - We didn’t go out last Saturday.
 - She moved to Japan three years ago.
 
Tip
We use the past simple when we know “when” the events happened.
2. Past habits or states or repeated actions
- She washed her hair every day.
 - She worked as a nurse.
 - I often played in the park when we were children.
 - He really liked sport, and was very fit.
 - When I was a child, I ate sweets every day.
 - In school, I always played football during break time.
 
3. The things were true
- My grandfather had two brothers.
 - He lived with my grandparents as a child.
 
4. Past events in chronological order
- When I arrived home, I took off my shoes and then I relaxed on the sofa.
 - When she opened the door, she pretended that we weren’t there and she went to her room.
 - He called me and told me to go, but when I arrived he wasn’t there.
 
References