■事故往往起因于粗心。

误：Accidents often arise in carelessness.

正：Accidents often arise from carelessness.

析：表示“起源于”、“起因于”，arise 后通常接介词 from 或 out of。

■有需要时就使用这笔钱。

误：Use this money when the need is arisen.

正：Use this money when the need arises.

析：arise(出现，发生)是不及物动词，没有被动语态。另外 when the need arises 是一个常用结构，也可说成 Should the need arise。如：Should the need arise for extra staff, we will contact you.(如果还另外需要人员，我们将与你联 系)。