begin的过去式是什么

begin的过去式是什么

过去式: began;名词是beginning; begin:v.开始;启动;起始;开始存在(或进行); beginning:n.开头;开端;开始部分 扩展资料 At last things were beginning to look up. 情况终于开始好转了。 The cracks in the government's economic policy are already...