Respuesta :
The passive sentence is
→ B. The walls of my bedroom had been painted bright pink
This sentence uses past perfect tense
✐ formula past perfect
(+) O + had + been + Verb 3 (by S)
(-) O + had + not + been + Verb 3 (by S)
(?) Had + O + been + Verb 3 (by S)?
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Subject : English
Keywords : Passive Voice, Past Perfect
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