"he was all in by half-time"
From the Google Dictionary.
Is "all in" a prepositional phrase where "in" is a postposition?
anonymous Is "all in" a prepositional phrase where "in" is a postposition? "All in" is an idiomatic expression ans so is not subject to grammatical analysis. But if you insist, "in" is an adverb there.
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anonymousIs "all in" a prepositional phrase where "in" is a postposition?
"All in" is an idiomatic expression ans so is not subject to grammatical analysis. But if you insist, "in" is an adverb there. You can also be "done in", meaning "killed".
The grammatical explanation of this sense of "all in" is not at all obvious to modern speakers. Knowing the origin of the phrase might help. Some people say that it developed out of a gambling or stock market expression, signifying that all one's resources are "in", in the sense of staked or invested. In that case "in" would seem to be adjectival, or possibly prepositional if one accepts that