Do you agree that "all" as a predeterminer modifies "my fault"? But if it is true, "fault" should be formed in the plural and considering meaning, I think "all" can be an adverb and a pronoun in the sentence, but not a predeterminer.
What do you think? Thank you so much as always and have a good day.
Top answer
It could be seen that way, but I read 'all' as a pronoun and 'my fault' as a complement: It is all my fault = All is my fault.
— Mister Micawber
It could be seen that way, but I read 'all' as a pronoun and 'my fault' as a complement: It is all my fault = All is my fault.
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My is a determiner modifying fault, together forming the subject complement. I would categorize all as an adverb, since I don't really know what else to do with it.