become是非延續(xù)性動詞,它的延續(xù)性動詞是been,became是過去式,這里因為前面有了has,那么就是現在完成時了,現在完成時的構成是have(has)+過去分詞,而become的過去式是became,過去分詞是become。
become
釋義:
vi. 成為;變得;變成
vt. 適合;相稱
例句:
Nobody knew the book would become such a classic.
當時沒人知道這本書會成為經典。
If you're looking to become a marathon runner, having long legs is a great asset.
如果你想成為一名馬拉松選手,有兩條長腿是筆財富。
Will Apple Pay become a dominant player in the market? Only time will tell.
Apple Pay能成為市場的主導者嗎?只有時間才有答案。
常用搭配:
become one 成為一體,結合
become a member 成為一名成員/會員
become of 使遭遇…;…降臨于;發(fā)生…情況
been
釋義:
v. 是,有(be的過去分詞)
n. (Been) (美)貝恩(人名)
例句:
The walls had been whitewashed.
墻壁被粉刷成白色。
His king had been checkmated.
他的王棋已被將死。
Fighting has been ferocious.
戰(zhàn)斗一直很激烈。
常用搭配:
have not been 沒有
have been there 全都知道,直接了解,親眼看到
have been to 曾經到過