So now we have seen the first few Alola forms, and know of at

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So now we have seen the first few Alola forms, and know of at least one more. I can't help but notice a pattern.
All of these Pokémon don't have any cross-gen evos, don't have Megas, and appear to be genwun only.

This would mean we already know what Pokémon are having a very high chance of getting an Alola Form

Here's a list:
>Caterpie line (Matches with the other appearant leak)
>Rattata line (Matches with the other appearant leak)
>Spearow line
>Ekans line
>Nidoran lines (Matches with the other appearant leak)
>Paras line
>Venonat line
>Diglett line
>Meowth line
>Psyduck line
>Mankey line
>Growlithe line (Matches with the other appearant leak)
>Machop line
>Bellsprout line
>Tentacool line
>Geodude line
>Rapidash line
>Farfetch'd
>Doduo line (Matches with the other appearant leak)
>Seel line
>Grimer line
>Shellder line
>Drowzee line
>Krabby line Muh coconut crab
>Voltorb line
>Koffing line
>Goldeen line
>Staryu line
>Jynx
>Tauros
>Lapras
>Ditto
>Fossil lines (Except Aerodactyl)
>Dratini line

The only odd one out is the Abra line, but this might be a fluke.
Anyway, post your expectations and discuss