发布时间:2022-05-07 14:09:10来源:有考培训网综合
be able to 怎么用?be able to 英[bi: ˈeibl tu:] 美[bi ˈebəl tu] v. 能,会;能够;克 [例句]People will be able to plan responsibly. 人们将能够负责任地进行规划。be able to后面用动词原形,这是一个固定搭配,意思是“能够做某事”,用于各种时态。
短语
be able to do sth能够做某事 ; 有能力做某事 ; 能做某事 ; 有能力干某事
be able to do能够 ; 有能力做 ; 能
be able to stand吃得消 ; 能经受得住 ; 能够承受
be able to与can用法区别:
(1) be able to 强调通过努力而获得的能力,而can则强调自身已具有的能力。如:
She can sing the song in English. 她能用英语唱这首歌。
He will be able to sing this song in English in a few minutes, too. 几小时之后,他也能用英语唱这首歌。
(2) be able to 强调一种结果,而can只强调一种可能。如:
Luckily, he was able to escape from the big fire in the end. 幸运的是,他终于逃出了大火。
If he got here a few hours earlier, I could save him. 要是他早几小时来,我还能救他。
(3) be able to 可以有各种时态;而can只有一般现在和一般过去两种时态。如:
I could help you last night, but you didn’t come. 昨天晚上我能帮你,而你又没来。
Can you see it there? 你能看见它在那儿吗?
He is / was / will be able to help you. 他能帮你的忙。
(4) can可用于表示可能性,推测,允许等情况,而be able to通常不这样用。
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