人们不能简单地说某事发生过，而是必须加动词后缀，来说明事情到底是刚刚发生的，是今天早些时候发生的，是昨天发生的，还是前天发生的。

One cannot say simply that something happened; the verb ending shows whether it happened just now, earlier today, yesterday or before yesterday.

youdao

问题5: 什么后缀表示动词?

Question5: What suffix indicates a verb? Answer5: -i (for example RIVER-I)

youdao

图卡诺语的动词后缀要求说话人说明自己是怎么知道某事的。

Tuyuca requires verb-endings on statements to show how the speaker knows something.

youdao