Performatory
a. （表）述行（为）的[语]述行语, 述行成分； 履行的, 执行的; 演出的
🗣️ 情景例句
Susan, will you marry me?
Susan，你愿意嫁给我吗？
A little learning is a dangerous thing.
浅学误人。
When you have found a building in which to start your school.
你找到开办学校的楼房后