Переведите в пассивный залог : 1)tom is brushing his teeth 2)mr.brown must learn the lectures 3)mary looks through magazines every day

The teeth are being brushed by Tom
The lectures must be learnt by Mr.Brown
Magazines are looked through by Mary every day

1. The teeth are beeing brushed(могу ошибаться, т.к. не знаю точно является ли to brush неправильным глаголом) by Tom
2. The lectures must be learnt by Mr.Brown
3. Magazines are looked through by Mary every day