become/bɪ'kʌm/

v. begin to be

➭ pt. became/bɪ'keɪm/

➭ pp. become

v. [L] 变得；成为：[become + a.] It is becoming cold. 天气正转冷。

◇[become + n.] He became a teacher three years ago. 3年前他成为一名教师。

◇[后接职位名称时，前面的限定词可以省略] He became King at the age of 30. 他30岁就登上了王位。

构词be- + come

常犯错误

✗ The problem becomes more serious.

✓ The problem is becoming more serious. 问题正变得更严重。

辨析become; get; grow; turn