Passive exercises - simpe present

to be + past participle

The bike is sold.
A police officer is called.
Offices are cleaned.

English passive voice exercises

Passive Voice with free online exercises, passive rules and passive voice examples.

Online exercises English grammar and courses.
Free tutorial to English active and passive voice. So don't hesitate to learn the difference between active voice and passive voice in writing with the English Grammar index active voice and passive voice.