介词 - 相对时间介词

used to show how far back in the past something happened

used to show how much time remains until a certain hour

used to indicate that an event or action occurs before a specified time or deadline

happening or continuing after a certain time or event

used for showing the time when something begins to happen or exist

used to state how long it will be until something happens

used to indicate proximity in time

used to indicate a point in time that is beyond or later than a specified moment

at a later time than something

used to indicate a position or time that comes after or later than another

used to indicate something that occurs before a particular time or event