由於過去的事物是確定的狀態，滿足特定的屬性，例如：
1、Her technique has improved a lot over the past season.在過去的一個賽季裏，她的技術大有長進。
2、He needed to make a complete break with the past.他得與過去徹底告別。
3、We were asked in the past when we bought an electric car to pay for the entire well， for the life of the car.過往當我們決定買一輛電力車，我們必須付那口井的全部費用。
