Correct option is D
Active Voice- It denotes that the noun or pronoun that acts as the subject in the sentence is the doer of the action. In other words, the subject performs the action or acts upon the verb.
Passive Voice- represents that the subject is one acted upon by the action or verb in the sentence. It can also be said that the passive voice indicates that the subject in the sentence is no longer active but passive.
· The object "me" in the active sentence becomes "I" in the passive sentence, and it takes the central position as the new subject.
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Verb Form Changes:
· "Keep" is the main verb in active voice, which is in the present simple tense used habitually.
· In the passive voice, it's transformed to "am kept," aligning with the present passive form for habitual actions.
· The continuous form "being" is generally used for ongoing actions at the moment of speaking, but habitual actions, especially when stated as a general fact or routine, are often expressed in simple tenses in passive voice.
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By-phrase: The original subject "you" becomes the agent, introduced by "by" in the passive sentence, indicating who performs the action.
Thus, the correct passive form of the sentence "You always keep me waiting" is (d) "I am always kept waiting by you."