Convert the sentence about residents celebrating Diwali from active voice to passive voice and select the correct passive form.

Introduction / Context:
Voice conversion questions test the understanding of how to change a sentence from active voice to passive voice without changing its basic meaning or tense. Here, the original sentence states that the residents celebrated Diwali. We need to convert this simple past tense active sentence into an appropriate passive structure while preserving the original time reference and focus.

Given Data / Assumptions:

The subject in the active sentence is the residents.

The verb phrase is celebrated.

The object is Diwali.

The tense is simple past.

The passive form must keep simple past and may keep the doer by using the preposition by.

Concept / Approach:
In English, to change from active to passive, the object of the active sentence becomes the subject of the passive sentence, the main verb is converted to a suitable form of be plus past participle, and the original subject is introduced using by if it is still needed. For a simple past tense sentence like the residents celebrated Diwali, the passive structure is subject (Diwali) plus was or were plus past participle (celebrated) plus by phrase with the original subject.

Step-by-Step Solution:
Step 1: Identify the subject, verb and object in the active sentence. Subject is the residents, verb is celebrated, object is Diwali. Step 2: Move the object Diwali to the subject position in the passive sentence. Step 3: Convert the main verb celebrated into the passive form using be plus past participle. For simple past and a singular subject, we use was celebrated. Step 4: Add the original subject the residents after the verb in a by phrase, giving by the residents. Step 5: Put all parts together to form Diwali was celebrated by the residents.

Verification / Alternative check:
Check that the tense remains simple past in the passive sentence. The word was indicates past tense, and celebrated remains the past participle. Check that the agent the residents is correctly introduced by the preposition by, which is standard in passive constructions. Read both sentences and confirm that both report the same event, only with the focus shifted from the residents to the festival Diwali.

Why Other Options Are Wrong:
Option A uses a strange nominal form did celebration and does not follow standard passive voice rules. Option B uses present perfect tense has been celebrated, which changes the time reference from simple past to present perfect. Option D uses present continuous passive is being celebrated, which again changes the tense and implies that the celebration is happening now. Option E has an unnecessary noun phrase celebration of Diwali was done, which is wordy and less natural than a simple passive sentence.

Common Pitfalls:
Learners often change not only the voice but also the tense, which alters the time relationship of the action. Another frequent mistake is to keep both the original subject and object in incorrect positions or to create redundant expressions such as did celebration. Always identify tense clearly and then apply the correct be plus past participle form, while moving the object to the subject position.

Final Answer:
The correct passive voice form is Diwali was celebrated by the residents.