Ann cooked a tasty pie. my dad builds a new house. his brother will make a lot of mistakes. tom writes letters. my sister used a computer. he will explain a new rule. сделайте пассивным

1)Tasty pie was cooked by Ann
2)A new house is built by my Dad
3)A lot of misakes will be done by his brother
4)Letters are written by Tom
5)A computer was used by my sister
6)A new rule will be explained by him