现在完成进行时可表示说话时刻以前的一段时间内重复发生的动作。
例句
a. Every Sunday they meet in the same bar. They’ve been going there for years.
b. Over the past few years, many towns in the United States have been joining with neighboring communities to share the costs of government.
在近几年中，美国许多城镇不断合并，以降低政府费用开支。
c. We’ve been writing to each other for years.（Years ago we started writing to each other. We still write to each other regularly now.）
多年来，我们一直经常通信。
d. I’ve been getting up early since I entered the college.
自从上大学以来，我一直坚持早起。
e. The price has been going up recently. I wonder whether it will remain so.
最近物价一直在涨，不知是否会一直这样。
f.You’ve been staying up late again?
你最近又在熬夜？
g. Koreans have been marrying US soldiers stationed here since the 1950s. The peak years were during the 1970s, when more than 4,000 Koreans married US soldiers each year.
自20世纪50年代以来，就不断有韩国人与当地的美国驻军成婚。70年代达到了高峰，每年有4,000多人嫁给美国士兵。