For the second part just change the first part of it to “did”
1. Did he see a traffic incident yesterday? 2. Did they swim in the sea yesterday afternoon? 3. Did he decide to accept the new job a few days ago? 4. Did Bob eat all of my food last weekend 5. Did Dave join / go to a party last night 6. Did Lucy work for a big company last year? 7. Did something strange occur this morning? 8. Did John ring me yesterday? 9. Did she make a cup of tea a few minutes ago? 10. Did he move to Phnom Penh last month?
