A very good dinner cooks Sylvia.
→ A very good dinner is cooked by Sylvia. (Очень хороший ужин готовится Сильвией.) (→ Present Simple Passive)
My father buys newspapers every morning.
→ Newspapers are bought by my father every morning. (Газеты покупаются моим отцом каждое утро.) (→ Present Simple Passive)
My brother walks our dog in the morning.
→ Our dog is walked by my brother in the morning. (Наша собака выгуливается моим братом утром.) (→ Present Simple Passive)
We buy food for our pets once a week.
→ Food for our pets is bought once a week. (Еда для наших питомцев покупается раз в неделю.) (→ Present Simple Passive)
My elder brother uses the computer more often than I do.
→ The computer is used by my elder brother more often than by me. (Компьютер используется моим старшим братом чаще, чем мной.) (→ Present Simple Passive)
Our parents' friends often invite them to their parties.
→ Our parents are often invited to their friends' parties. (Наши родители часто приглашаются на вечеринки их друзей.) (→ Present Simple Passive)
They usually take bus No. 181.
→ Bus No. 181 is usually taken by them. (Автобус № 181 обычно берется ими.) (→ Present Simple Passive)
This animal loves bananas. It eats half a kilo of bananas every day.
→ Bananas are eaten by this animal (half a kilo of bananas is eaten) every day. (Бананы съедаются этим животным (полкило бананов съедается) каждый день.) (→ Present Simple Passive)
She makes a special pie for her birthday every year.
→ A special pie is made for her birthday every year. (Специальный пирог готовится для ее дня рождения каждый год.) (→ Present Simple Passive)
People in many parts of the world speak Esperanto.
→ Esperanto is spoken by people in many parts of the world. (На эсперанто говорят люди во многих частях мира.) (→ Present Simple Passive)

