Evidentials for a future English

I'm trying to think how a future English could develop evidentials.

So far, all I've thought of is that "apparently" could be grammaticised
into a sort of hearsay particle, marking information the speaker has
only heard or read.

A few questions:

• What do you think would be a plausible reduced form of "apparently"?
The best I've thought of so far is /'perli/, derived by a sequence
something like /@'per@ntli/ > /'per@ntli/ > /perntli/ > /pertli/ >
/perli/.  Does this seem at all plausible?  Any other suggestions?

• Where would it be likely to appear in the sentence?
A few possibilities:
Sentence-initial: perly hy sed that...
Second position:  hy perly sed that...
After the verb: hy sed perly that...

• Anyone have any creative ideas for other evidentials and their
sources?

-Estel

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