2．重复：到目前为止的一段时间内重复发生的动作。 He has been going to Seattle for half a year. 他在半年间经常去西雅图。 I have been telling you not to make trouble. 我一直劝你不要找麻烦。 The old man has been repairing cars for thirty years.老人修车修了三十年了。