大家都搜：
现在完成进行时
1、have been to───v.曾经到过（去过）
2、have you been───你有没有
3、has been doing───到现在为止一直进行（现在完成进行时）
4、have been dead───已经死了
5、have been in───呆在某个地方；去过某个地方
6、have been there───亲眼看到；直接了解；全都知道；曾到过那里；全都知道， 直接了解， 亲眼看到
7、l have been───我一直
8、have been on───已经开始了
9、have been───已经；一直；去过（现在完成时）
1、From the moment someone logs in, they should be able to see what their friends have been doing, posting, and otherwise promoting.───从某人登录开始，她们就应该看到好友们都在做什么，发什么帖子和推荐什么。
2、We have been doing some work with humans and it is possible to tell their mood or state of mind from the movements they make.───我们在人类身上做过实验，发现这种技术可以通过实验人所发出的动作来判断其情绪和思想状态。
3、I have been doing some historical research.───我一直在进行史学研究。
4、We may have been doing him an injustice. This work is good.───我们可能冤枉他了。这工作干得不错。
5、"We are still trying to figure it out, " a senior American intelligence official said last week. "They could have been doing both. "───“我们仍在试图弄明白这一点，”美国的一名高级情报官员上周说，“两者可能都是他们的目的。”
6、You probably do not mean it but you have been doing it for so long that you quietly tell yourself it's just part of your personality.───你也许无法解释清题目的含义，但一直以来你就是那么做的，你默默地告诉自己那就是你的品质。
7、I believe that most of what you have been doing is quite logical, sensible, and reasonable, at least according to your mind and my mind.───我相信你一直在做的大多数事情是很有逻辑的、明智的、合理的，至少你我是这么认为的。
8、Just because people have been doing it the same way since the beginning of time, I'm going to make it better.───从一开始，人们就一直用同样的方法做一件事，我要做的更好。
9、The car must have been doing at least 100 miles an hour.───这车速肯定每小时至少100英里。
1、I have been doing some historical research.
2、The motorcyclist must have been doing a ton as he passed me.
3、I always go down and clean the staff room during these meetings they have, been doing it for years.
4、Some retailers have been doing a brisk trade in the new toys, others apparently have not.
5、Biological systems have been doing this for billions of years.
6、The car must have been doing at least 100 miles an hour.
7、Most of us have been doing this for a long time, and it goes with the territory.
8、We may have been doing him an injustice. This work is good.
9、He estimated that the car must have been doing at least 18 miles per hour on the curve where it overturned.