could & was/were able to do 的区别

来源：学生作业帮编辑：搜狗做题网作业帮分类：英语作业时间：2024/04/30 02:17:53

could（过去式） can be able to 都翻译为“能”,表示先天或后天学到的能力、技能
用法：过去能：could was/were able to+V(原形)
Could表示过去具备做某事的能力,不表示行动、行为
Was/were able to 表示过去成功的做了某事（已做而且成功）
Couldn’t：表示过去没有能做成某事情（做了不成功）
现在能：can am/is/are able to
将来能：can will/shall be able to
看看下面这个

could 和was able to 的区别? could,was able,managed to,succeedin的区别 be able to、can、could的区别 could和be able to的区别用could或was able to填空. can,could和be able to的区别 could和was able to和manage to有什么区别? Is/Are supposed to do 与Was/Were supposed to do 的区别是什么?具体用法? was/were going to was/were to was/were about to 的区别 was able to =managed to do? 过去将来时中,was/were going to与would do的区别? was able to的同义词