On Mon, Aug 12, 2019 at 2:09 PM mayqel qunen'oS <mihkoun@gmail.com> wrote:

If I knew when I'm supposed to use {-mey} on {gher'ID} and when not, I'd be happier.

Some people had the same question when it was revealed. KLI mailing list, July 23rd, 2018, from qurgh:

I asked Marc about gher'ID:

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As for {gher'ID} — All of the English words could be singular or plural, whichever makes the most sense given the context. If, in Klingon, it's important to indicate plurality, use {-mey}; if it's important to indicate singularity, use {wa'} along with {neH} (or something along those lines).

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So I guess that you can just use {gher'ID} unless you want to emphasize multiple things happening as the result of something.