but可以用在句首吗

Question

如题所述

Answer 1

可以。
用作连接词，介词，副词，代词等词性。
例如：
but for=without “要不是,如果没有” ，相当于虚拟条件句
But for the rain ,we would have a pleasant journey.
but that =except that “若非，要不是”，引导虚拟条件句
He would have helped me but that he was short of money.
but then =on the other hand “不过，在另一方面”