现在完成时的意义是动作发生在过去,但对现在有影响(或结果)。现在完成时也常用来表示持续的动作或状态。初学者往往喜欢在所有的动词后加上表示一段时间的时间状语,这就出现了一个问题:有一些动词是不能持续 What it means to do now is that the action took place in the past but has an impact (or result) on the present. It is also often used to indicate a continuous action or state when done now. Beginners often like to add a time adverbial expression to a period of time after all the verbs. This raises the question of whether some verbs can not last