Usage of 'would have' with present tense

[Daemon99]

Is a sentence like the one below possible?

John would have gone before I reach
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Non-native speaker of English
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I intend to live forever - so far, so good.

[Haihao]

Orthodoxly and correctly, it should be: John would have gone before I arrived, IMO.

[Junonab]

Hi, i'm new here, How is going?:)
I'm Juno from Algerial!:)
I didnt find topic for newbies, so if i missed - sorry)

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In God We Trust