-n
suf. 表示：[构成不规则动词的过去分词]：known
🗣️ 情景例句
I've got to explain about it.
我得解释一下此事。
Morning, How are you?
早，你好吗？
I have to transfer to No. ll bus, but where is the bus stop?
我需要换乘11路公共汽车，但是汽车站在哪儿？