过去式是became。过去分词是become。现在分词是becoming。第三人称单数是becomes。意思变成；成为；变得；适合（某人）；使（人）显得漂亮。

常见短语：

1、become abstracted 变得心不在焉

2、become accustomed to sth 习惯于某事

3、become acquainted 变得熟悉

4、become acute 变尖锐 become angry 发怒

5、become annoyed 变得生气