Passive exercises, examples

will + be + past participle

Someone closes the door. (Aktive)
The doors will be closed. (Passive simple future)

English passive simple future

Passive Voice with free online passive simple future, 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.