PMDC Verified Question 28 of 61
The door ___ by him.
A
Was knocked at
B
Knocked at
C
Was knocking at
D
Knocks at
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option A: Was knocked at
Concept: Simple Past Passive Voice with Prepositional Verbs.

Solution: The prepositional verb 'knock at' converts to passive "was knocked at".

Why other options are incorrect:
  • Options B & D: Active voice forms misplaced with passive agent 'by him'.

  • Option C: Continuous active.

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