bear的过去式是bore，过去分词是born 和borne都可以，只是用法有些区别

区别一

在主动语态中，只能用 borne。如：

She has borne him six children. 她给他生了 6 个孩子。

她生了一男一女。

误：She has born a son and a daughter.

正：She has borne a son and a daughter.

区别二

在带有 by 短语的被动语态中，要用 borne。如：

他是一个英国妇女生的。

误：He was born by an English woman.

正：He was borne by an English woman.

区别三

用于 be born 表示“出生”时，不用 borne。如：

He was born in Beijing on April 15, 1966. 他于 1966 年 4 月 15 日出生在北京。

Ten children are born in this hospital every day. 这家医院每天有 10 个孩子出生。

He was born to [of] wealthy parents. 他出生在有钱人家。

He was born French, but later took Canadian citizenship. 他生为法国人，但后来取得了加拿大的公民身份。

有时用于比喻义。如

He was born to be a great writer. 他生来就注定是一个伟大的作家。

区别四

born 有时可用于名词前作定语，表示“天生的”，此时不能用 borne。如：

He was a born poet. 他天生是个诗人。

区别五

若用于“生育”之外的其他意义，其过去分词要用 borne。如：

The task is borned on our shoulders. 这任务落在我们的肩上。