They were teaching us that in the 1980s, yes, but it was an overcorrection. They also taught us not to split our infinitives. That was BS as well. I see no need to maintain standards that were originally imposed by grammarians who undervalued English and overvalued Latin. These days we would call that linguistic insecurity.
dhosek|6 days ago
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1. While in most languages, this class of verbs becomes apparent when the base noun is irregular or has special conjugation rules, in Greek,² it’s especially noticeable thanks to the fact that the aorist causes a morphological change to the beginning of the verb as well as the end. Except for these verbs, the morphological change ends up happening in the middle of the verb.
2. I don’t know modern Greek beyond what I can discern from my classical Greek knowledge, so I don’t know if modern Greek has retained this feature.