become的过去式是became，过去分词是become。become主要用作动词，意思是变成; 开始变得; 适合(某人); 与…相称; 使(人)显得漂亮; 使好看。
一、become发音
英[bɪˈkʌm]
美[bɪˈkʌm]
二、become词性转换
第三人称单数：becomes
现在分词：becoming
过去式：became
过去分词：become
三、短语搭配
become impatient发急 ; 着急
become involved介入
become convinced确信
become invalid作废 ; 成为无效 ; 变得无效 ; 这药已失效了
Become weak手发软 ; 变得萎靡不振 ; 倦怠 ; 变弱
become extinct灭绝 ; 变坏 ; 绝种
become conscious醒悟 ; 恢复知觉
Become rich疾速致富 ; 迅速致富 ; 火速致富 ; 神速致富
四、双语例句
1.Her sole object in life is to become a travel writer.
她人生的唯一目标就是当游记作家。
2.The programme has become a firm favourite with young people.
这个节目已着实赢得了年轻人的喜爱。
3.I didn't expect him to become a successful writer.
我没想到他会成为一个成功的作家。
4.You have to become one .
你不得不成为一个。
5.But how can you look at yourself? What have you become?
但你怎么能面对自己? 你都已经变成什么样子了？
6.The environment has become a very hot issue.
环境已成为很热门的话题。
