| Verb tense | Active voice | Passive voice |
| Simple present | They clean the house | The house is cleaned |
| Present continuous | They are cleaning the house | The house is being cleaned |
| Present perfect | They have cleaned the house | The house has been cleaned |
| Past simple | They cleaned the house | The house was cleaned |
| Past continuous | They were cleaning the house | The house was being cleaned |
| Past perfect | They had cleaned the house | The house had been cleaned |
| will | They will clean the house | The house will be cleaned |
| be going to | They are going to clean the house | The house is going to be cleaned |
| should, must, may, ought to, can, could... | They should clean the house | The house should be cleaned |
- The radio was invented by Marconi.
- The subject in the active voice becomes the agent in the passive voice.
- The object in the active voice becomes the subject in the active voice.
- The form of the verb changes:
Madame Curie invented penicillin
Penicillin was invented by Madame Curie.
Active voice: The teacher gave the students some worksheets
The teacher gave some worksheets to the students
Passive voice: The students were given some worksheets by the teacher
Some worksheets were given to the students by the teacher.![]()
The window has been broken. (we don´t know who broke it or we don´t want to say it)It is very common in textbooks and reports to describe activities, processes and also for official rules. It is also used in news reports.