In the past, people used to communicate mainly through letters. （在过去，人们主要通过信件进行交流。）

She has a lot of memories of her past vacations. （她对过去的假期有很多回忆。）

The old man often tells stories about his past experiences. （这位老人经常讲述他过去的经历。）

We drove past the beautiful park on our way to work. （我们在上班路上开车经过了那个美丽的公园。）

He walked past me without even saying hello. （他从我身边走过，甚至都没打招呼。）

The time for making excuses is past; we need to take action. （找借口的时间已经过去了；我们需要采取行动。）

Past events have shaped who she is today. （过去的事件塑造了如今的她。）

They looked back on their past mistakes and learned from them. （他们回顾过去的错误并从中吸取教训。）

The dog ran past the gate and into the yard. （那只狗跑过大门进了院子。）

I've been thinking about my past relationships lately. （最近我一直在思考我过去的感情关系。）

The train sped past the small town in a blink of an eye. （火车一眨眼就疾驰而过那个小镇。）

Her past achievements are a great source of pride for her family. （她过去的成就让她的家人深感骄傲。）

We passed by a house with a big garden past the bridge. （过了桥之后，我们路过一座带有大花园的房子。）

He can't seem to let go of his past failures. （他似乎无法释怀过去的失败。）

The children skipped past the flower beds, laughing merrily. （孩子们欢快地笑着，蹦蹦跳跳地经过花坛。）

Past generations have left us with many valuable traditions. （过去的几代人给我们留下了许多宝贵的传统。）

She glanced past the window and saw a familiar face. （她往窗外瞥了一眼，看到了一张熟悉的面孔。）

The athlete's past records show his remarkable talent. （这位运动员过去的记录显示了他非凡的天赋。）

They strolled past the riverbank, enjoying the sunset. （他们沿着河岸漫步，欣赏着日落。）

My past dreams have slowly evolved as I've grown older. （随着年龄的增长，我过去的梦想也在慢慢改变。

）