become的过去式是became，过去分词是become.例句：Such behaviour did not become her. 这种举止与她的身份不相称。Her face became a chalky white. 她的脸变得苍白。

相关介绍：

He's become quite a fundi on wine.

他成了葡萄酒的行家。

Wearing fur has become unfashionable.

穿裘皮服装已经变得不流行了。

The reforms have recently become law.

这些改革最近已成为法律。

He became edgy and defensive.

他变得烦躁不安且存有戒心。

The journey soon became tedious.

那次旅行不久就变得乏味起来。