"bear"的过去分词是 borne。例如：

1. She has borne many hardships in her life.

2. The ship has borne us safely across the ocean.

需要注意的是，"born"也可以作为"bear"的过去分词，但通常用于表示出生的情况，例如：

1. She was born in 1990.

2. They were born into a wealthy family.

因此，"borne"是更通用的过去分词形式，而"born"则用于特定的出生情境。