前天早上可以用英文表达为 "the day before yesterday morning"。这个表达方式源于英语中对事物的时间描述，通常会按照顺序来表达，例如：今天、明天、后天、昨天等。

下面是一些例句：

I didn't see him yesterday, but I saw him the day before yesterday.

我昨天没有见到他，但是前天我看见了他。

She finished the project the day before yesterday.

她前天完成了这个项目。

We had a meeting the day before yesterday morning.

我们前天早上开了一个会。