1)
1. On Saturday I played computer games with my cousins.
2. My mum didn´t cook dinner last night.
3. I walked to school because there weren´t any buses.
4. They didn´t dance at the party.
5. My brother travelled to Ireland last summer.
2)
1. Did he go to school yesterday?
2. Why did you go home early?
3. Where did you learn English?
4. Did she work today?
5. What did you do this yesterday?
6. Did they phone you last night?