Perfectivity
动词的完成式
🗣️ 情景例句
What's your plan for the May Day holiday?
你计划好怎样过五一假期没有？
What is that noise?
那嘈杂声是什么？
OK. But I'm afraid I may be a little late.
好。不过我恐怕会稍晚一点到。