* When we were kids, we used to play hide-and-seek in the park every day. (Describing a past habit)
* The lights went out when we were in the middle of dinner. (Describing a specific event in the past)
* When they were young, they dreamt of becoming astronauts. (Describing a past aspiration)
* The flowers were in full bloom when we visited the garden. (Describing a past state)
* I remember when we were at the beach, and the waves were crashing against the shore. (Describing a past memory)
* They were very happy when they learned they were going to be parents. (Describing a past emotion)
* The streets were deserted when we walked home from the concert. (Describing a past atmosphere)
* She was surprised when she learned she had won the lottery. (Describing a past reaction)
* We were exhausted when we finally reached the summit. (Describing a past physical state)
* The city was bustling when we arrived, but it was quiet when we left. (Contrasting past states)
These examples demonstrate how "when" and "were" work together to describe events, states, and feelings in the past.