Question

Below is given sentence in active/passive voice. Out of the four alternative suggested, select one which best expresses the same sentence in passive/active voice:
"The waiter filled the glasses with water."

• A. The glasses filled with water by the waiter.
• B. The glasses were filled with water by the waiter.
• C. The waiter was filled the glasses with water.
• D. The water were filled in the glasses by waiter.

Hint:

Always track the singular or plural status of your new passive subject. Here, glasses is strictly plural, which means it requires were, not was. This helps you quickly rule out incorrect choices. Active $V_2 \rightarrow$ Passive ($\text{was/were} + V_3$)

Answer 1

The Correct Option is B

Concept: To convert a sentence from Active Voice to Passive Voice, we follow a reliable set of structural transformations:

• Identify the core components of the active sentence: Subject ($S$), Verb ($V$), and Direct Object ($O$).

• Shift the Direct Object ($O$) so it becomes the new grammatical subject of the passive sentence.

• Adjust the auxiliary helping verb to match the original tense of the active verb. For the Simple Past Tense ($V_2$), the passive auxiliary pattern is: [

was / were +

Past Participle (V_3)
Move the original subject to the end of the clause, preceded by the preposition 'by'. itemize

Step 1: Analyze the components of the active sentence.
Let us break down the provided sentence: "The waiter filled the glasses with water."

• Subject ($S$): The waiter

• Verb ($V$): filled (Simple Past Tense, $V_2$ form)

• Object ($O$): the glasses

• Adjunct Phrase: with water

Step 2: Apply the passive transformation rules.
Let us reassemble the components step-by-step into a passive structure:

• The object 'The glasses' becomes our new leading plural subject.

• Since 'The glasses' is plural and the original tense is Simple Past, we choose the auxiliary verb 'were'.

• The past participle ($V_3$) form of 'filled' remains 'filled'.

• Combine these parts with the remaining descriptive details: *were filled with water*.

• Append the agent clause at the end: 'by the waiter'.
Putting it all together gives: "The glasses were filled with water by the waiter." This matches option (B).