英语标点符号系列之一：状语从句与主句之间要不要逗号?

清风凉

状语从句若放于主句之后，主句与状语从句之间可用逗号也可不用。
eg：He went home alone though he felt loney.=He went home alone, though he felt loney.

状语从句若放于主句之前，通常要用逗号分开。
When his brother was twenty-two, he was a best-known lawyer.

但若状语从句较短，也不可不用逗号。
When she got up she felt terrible.

人可冰贞