Question

we keep the restaurant open till midnight change into passive voice​

Answer 1

Answer:

The restaurant is kept open till midnight by us..

Explanation:

Hope this help u

Answer 2

The Passive Vouce of the sentence will be-

The restaurant is kept open till midnight by us.

When writing a sentence in passive voice, the Object comes first, followed by the verb, and lastly the subject.

Hope it helps!