Question

who was delivering the lecture at that time?





change into passive voice​

Answer 1

Answer:

By whom was the lecture being delivered at that time?

Explanation:

Hope it helps you mate

Answer 2

Answer:

By whom was the lecture being delivered at that time?

KNOW MORE:-

To change an active voice sentence to a passive voice sentence:

Make the object of the active sentence into the subject of the passive sentence.

Use the verb “to be” in the same tense as the main verb of the active sentence.

Use the past participle of the main verb of the active sentence.

hope this helps u dear ❤️