can 和 be able to 的区别在哪?

来源：学生作业帮编辑：灵鹊做题网作业帮分类：英语作业时间：2024/05/02 12:18:54

can 和be able to 都可以表示能力.can泛指一般的能力,而且只有两种形式,即:can, could．be able to 则主要指具体做到了某件事的能力,其形式主要是靠be 发生变化,所以形式比can 多．可以说：I can swim. I am able to swim. 但是不能说：All the people could escape from the big fire in time. 只能说：All the people were able to escape from the fire in time.

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