完成时态包括将来完成时。
例句：By the time we arrived the meeting was over.我们到达时，会议已经结束了。By the time Flynn arrived at his office it was 5:30.弗林到达办公室时已经5:30了。 扩展资料By the time I was 30, we had three adorable children.到我30岁时，我们有了3个非常可爱的孩子。By the time the ambulance arrived he was unconscious.救护车赶到时他已神志不清。
