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As much as I have been through, it still pales in comparison to what our frontliners have to endure each day of this pandemic as they risk their lives to save ours.

Can I substitute 'of' for 'for'? If I am not allowed to change it I would like to know why. Thanks in advance!

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teal desk 749Can I substitute 'of' for 'for'?

You already have 'of' there. Are you asking if you can substitute 'for' for 'of'?

No. It's always "each day of" with a period of time (or an event that extends over a period of time).

a different schedule for each day of the week; each day of the Obama presidency; each day of the trip; each day of the tournament; each day of the trial

CJ

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Thanks a lot!

teal desk 749frontliners

This is odd and unfamiliar in British English. You could instead say frontline staff or workers, like at this link https://www.england.nhs.uk/coronavirus/publication/operational-guidance-vaccination-of-frontline-health-and-social-care-workers/

Either that or specific tasks are hired out to another agency, which invariably costs the trust more, and tends to generate substandard results, which is a slack again taken up by the frontliners. (guardian.co.uk)

No idea if the same meaning is intended here, however, as in the OP's post.

CJ

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