Help ! составьте 5 предложений в active voice и рядом переделать их в passive только в past !

1."War and peace" was written by Lev Tolstoy.
2.Lev Tolstoy wrote "War and peace".
1.The task was solved by Artem.
2Artem solved the task.
1.The dinner was cooked by mommy.
2.Mommy cooked the dinner
1.This material was invented by scholars(scientists)
2.Scholars(scientists) invented this material.
1.The Money was collected by charity funds.
2.Charity funds collected the money.