Become和come into being在用法上存在差别。
1. Become通常指个人或事物状态的转移或变化，表示某种变化的结果，比如：I have become a teacher.（我已成为一名教师）。
2. Come into being则表示事物或现象的开始，常用于说明某些事情从无到有的过程，表示一个事物的形成或开始，例如：The world has come into being for billions of years.（世界已形成了数十亿年）虽然在用法上有所区别，但在某些情况下两个词可以互换使用，表达近似的意思。
come into (verb,动词） 走进来 ，进入, 得到, 继承,取得
e.g. # To come into effect
生效
# Come into my office.
到我办公室里来。
# Come into the warm.
进到暖和的地方来。
# To come into existence.
发生使出现（存在）
# come into being; become reality.
形成产生；成为现实。
# come into existence through birth.
通过出生产生实在物。
# come into fashion; become fashionable.
流行起来；变得流行起来。
# Come into possession of sth.
占有[获得]某物
# Come into the house, please.
请进屋来。
# To come into being; arise.
出现；形成
依我看来，并没有所谓的“become into"，因为become已包含into的意思。