become的过去式是什么
become是非延续性动词,它的延续性动词是been,became是过去式,这里因为前面有了has,那么就是现在完成时了,现在完成时的构成是have(has)+过去分词,而become的过去式是became,过去分词是become。
become
释义:
vi. 成为;变得;变成
vt. 适合;相称
例句:
Nobody knew the book would become such a classic.
当时没人知道这本书会成为经典。
If you're looking to become a marathon runner, having long legs is a great asset.
如果你想成为一名马拉松选手,有两条长腿是笔财富。
Will Apple Pay become a dominant player in the market? Only time will tell.
Apple Pay能成为市场的主导者吗?只有时间才有答案。
常用搭配:
become one 成为一体,结合
become a member 成为一名成员/会员
become of 使遭遇…;…降临于;发生…情况
been
释义:
v. 是,有(be的过去分词)
n. (Been) (美)贝恩(人名)
例句:
The walls had been whitewashed.
墙壁被粉刷成白色。
His king had been checkmated.
他的王棋已被将死。
Fighting has been ferocious.
战斗一直很激烈。
常用搭配:
have not been 没有
have been there 全都知道,直接了解,亲眼看到
have been to 曾经到过