be able to 和could/can 有什么分别

来源：学生作业帮编辑：百度作业网作业帮分类：英语作业时间：2024/07/31 12:51:07

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.
could 是can的过去式

be able to 和could/can 有什么分别 can could be able to be able to和could can,could和be able to的区别 be able to、can、could的区别 Could 和 Be able to 各用在什么情况下,两者有什么不同? 关于英语词组的用法be able to和could有什么区别? be able to和can be able to 和 can 分别用于那种时态? could和be able to的区别 be able to 和can 有什么区别,有例题讲解 be able to 和 be likely to 有什么不同?