在進行的用法和樣例：
例句
-
他們正在進行研究。
They are in research. -
他打斷正在進行的討論，宣讀了一項通知。
He interrupted the ongoing discussion and announced a notice. -
該書的印刷工作目前正在進行。
The printing of the book is now in hand. -
工程正在進行中，不久就會完工。
The project is in hand and will be completed soon. -
這位冠軍為了下一場比賽正在進行訓練。
The champion is in training for his next fight.
