be able to 和can的区别(be able to和can的区别)

高考英语更新时间:2022-01-24 16:00:26作者:文/教育在线关注度:

be able to 和can的区别

can与be able to 用法上的区别 语中, can 与be able to在用法上既有相同的一方面, 又有不同的地方,这是应该引起注意的。当它们表示能力的时候,是同义的。如: He can speak two foreign languages. He is able to speak two foreign languages... 详情rKg高三网

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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。be able to 强调一种结果,而can只强调一种可能。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。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。rKg高三网

be able to与can的对比例句

1、She can sing the song in English.她能用英语唱这首歌。rKg高三网

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。rKg高三网

2、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。rKg高三网

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。rKg高三网

3、I could help you last night, but you didn’t come.昨天晚上我能帮你,而你又没来。rKg高三网

Can you see it there?你能看见它在那儿吗?rKg高三网

He is / was / will be able to help you.他能帮你的忙。rKg高三网

be able to和can含义的不同

这一点不同主要集中在过去时中,could 表示“能够”,was / were able to 表示“得以做成”,即后者的动作完成了,前者只是一种可能性。rKg高三网

He could leave Europe before the Second World War. 他在二战开始前能离开欧洲。(有没有离开,不知道)rKg高三网

He was able to leave Europe before the Second World War. 他在二战开始前得以离开欧洲。(成功离开)rKg高三网

be able to和can的区别

大体上说,纯粹表示主语的“能力”时,can与be able to属同义词,两者可以通用。例如: I can/am able to lift this stone. 我能举起这块石头。 She could/was able to play the piano when she was five. 她5岁时就会弹钢琴了。 但并非任何情况下... 详情rKg高三网

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