She teaches mathematics to the class.
Mathematics is taught to the class (by her).
She cleaned the kitchen yesterday.
The kitchen was cleaned yesterday (by her).
The workers had finished the job before noon.
The job had been finished before noon (by the workers).
They are going to paint the house next weekend.
The house is going to be painted next weekend (by them).
They will open the new store next month.
The new store will be opened next month (by them).
The chef is preparing the meal right now.
The meal is being prepared right now (by the chef).
My granny is going to bake a cake for the party.
A cake is going to be baked for the party by my granny.
The kids were playing football in the park.
Football was being played in the park (by the kids).
They publish a new magazine every month.
A new magazine is published every month (by them).
My mom had cooked dinner by the time they arrived.
Dinner had been cooked by the time they arrived by my mom.
He delivers the mail every morning.
The mail is delivered every morning (by him).
They were painting the house all afternoon.
The house was being painted all afternoon (by them).
Peter has written three letters today.
Three letters have been written today by Petter.
She was reading a book when I arrived.
A book was being read when I arrived (by her).
The president is building a new library in the city.
A new library is being built in the city by the president.
He will fix the car tomorrow.
The car will be fixed tomorrow (by him).
She will write the report by the end of the day.
The report will be written by the end of the day (by her).
Claudia is organizing the event for next week.
The event is being organized for next week by Claudia.
The company had sold all the tickets before the show started.
All the tickets had been sold before the show started by the company.
The students completed the homework.
The homework was completed (by the students).
The company is going to hire new employees soon.
New employees are going to be hired soon (by the company).
The engineers have built a new bridge.
A new bridge has been built by the engineers.
The teacher has corrected all the exams.
All the exams have been corrected (by the teacher).
The company launched a new product.
A new product was launched (by the company).