Okay, here are 5 simple sentences in English using the past tense, Wh- questions, and simple words, along with their answers:
1. **What** did you play?
* I played with a ball.
2. **Where** did you walk?
* I walked in the park.
3. **When** did you sleep?
* I slept at night.
4. **Who** did you see?
* I saw my mom.
5. **Why** did you smile?
* I smiled because it was sunny.