it begun to rain before she took a taxi 这句句中语法 单词 先后顺序 帮忙检查下有错误吗 有的话请改下

问题描述:

it begun to rain before she took a taxi 这句句中语法 单词 先后顺序 帮忙检查下有错误吗 有的话请改下

It began to rain before she took a taxi.
begin过去式形式是began