关于“it began to rain before she took a taxi”“ it had begun to
关于“it began to rain before she took a taxi”“ it had begun to rain before she took a taxi”
it (begin)to rain before she took a taxi
有人说填 bagan
有人说填 had begun
应该是两个都对吧?但是他们具体有什么区别呢?到底什么语境才要用到过去完成时呢?谢谢!