On Friday, September 26, 2014 9:05:20 AM UTC-4, la gleki wrote:
To explicitly express "-able" use {ka'e} adverb.
i la alis ka'e se ctuca = Alice is possible to be taught.
i la alis ka'e ba mo'u cilre = It is possible that Alice will learn [something].
i la alis cu tadni = Alice is/was/will be a student.
That's what I expected. So Lojban (if not Loglan itself) dropped this whole notion of capability. That's interesting b/c if you read this section JCB seems quite adamant about it, as if it were the whole point of not specifying tense.