Question

Choose the passive form of the sentence "They will demolish the entire block." from the options given below.

• A. The entire block will have to be demolished by them.
• B. The entire block is being demolished.
• C. They will be demolished the entire block.
• D. The entire block will be demolished by them.

Hint:

To change a sentence from active to passive voice, the object of the active verb becomes the subject of the passive verb, and the active verb changes its form, usually involving a form of "to be" and the past participle. The subject of the active verb often becomes the object of the preposition "by" in the passive voice.

Answer 1

The Correct Option is D

Step 1: Identify the subject, verb, and object in the active sentence.
Active sentence: "They will demolish the entire block."
Subject: They
Verb: will demolish
Object: the entire block
Step 2: Recall the rules for converting an active sentence with a future simple tense ("will + verb") to passive voice.
The structure for passive voice in future simple is: Object + will be + past participle of the verb + by + subject (optional).
Step 3: Apply the rules to the given sentence.
The object "the entire block" becomes the subject of the passive sentence.
"will demolish" becomes "will be demolished."
The subject "They" becomes the object preceded by "by" ("by them").
Step 4: Form the passive sentence and check the options.
The passive form of the sentence is: "The entire block will be demolished by them."
Step 5: Compare the formed passive sentence with the options.
(1) The entire block will have to be demolished by them. (Uses "will have to be," indicating obligation, not a direct passive of "will demolish")
(2) The entire block is being demolished. (Uses present continuous passive, incorrect tense)
(3) They will be demolished the entire block. (Incorrect structure, "They" should not remain the subject in the passive voice of the original sentences action)
(4) The entire block will be demolished by them. (Correct passive form)
Option (4) correctly represents the passive form of the given active sentence.