In all these sentences, most BrE speakers would use 'who'. Those people who chose to use 'whom' would almost certainly bring the preposition to the front of the sentence in#1 and #4:1. Who/Whom am I to cast my eyes upon?
This sounds like something from a bad swords-and-sandals film.
they areare they supposed to capture?
3. If you're alone, only silence returns the/a call.
This sounds like a bit of meaningless would-be philosophy.
4. Who/Whom am I to paint these windows for?
1. Upon whom..........4. For whom...
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