grow的不规则动词过去式

grow的过去式是grew扩大，增加

The two companies grew tenfold in the ensuing ten years.  

在随后的10年中，两个公司的规模扩大为原来的10倍。

过去式是grew，例如：

1、As she grew older she gained in confidence.随着年龄的增长她的信心增强了。

2、As children we were very close， but as we grew up we just drifted apart.孩提时我们亲密无间，但随着年龄的增长我们就逐渐疏远了。

3、When she left school she grew away from her mother.她中学毕业后就不再那么依赖母亲了。