were you able to 和are you able 区别

were you able to 和are you able 区别

Were you able to check for other stock color for sampling? 你能检查其他库存颜色进行抽样吗？
说这句话的时候是针对过去的某个时间点说的，一般过去时表示过去某个时间里发生的动作或状态；过去习惯性、经常性的动作、行为；过去主语所具备的能力和性格。

你好 唯一的区别就是时态 前者是过去时 后者是一般现在时

Were you able to check for other stock color for sampling? 既可以是真实语气，指过去 “你没有能力对供抽样的存货颜色进行检查呢”；也可以是虚拟语气，指现在 “你真的有能力对供抽样的存货颜色进行检查吗”。具体是哪一种语气，需要根据上下文而定。