Past simple

1+ Last summer Ifound my ancient car.
1- Last summer I didn't found my ancient car.
1? Did I found my ancient car.

2+ I burnt my arm when i made a cake.
2- I didn't burnt my arm when i made a cake.
2? Did I burnt my arm when i made a cake?

3+ I don't liked sang.
3- I didn't liked sang.
3? Did I don't like sang

4+ Last day I learned to swam.
4- Last day I didn't learn to swim.
4? Did last day I learn to swim.