Put these sentences into the passive (present or past) You dont

Образование Passive Voice:
1. Утвердительное предложение: глагол to be в подходящем личике, числе и времени + причастие прошедшего времени.
2. Отрицательное предложение: глагол to be в подходящем личике, числе и медли + отрицательная частица not + причастие прошедшего медли.
Penguins are not found at the North Pole. America was not discovered in 1491 by Columbus. Some paintings were drawn by them. The bicycle was sold by my uncle. All the plates in the cupboard were broken by the child. The book was not found by her.