内容导航：
1、
have been down
2、
has been down什么时态？
1、
have been down
英：
美：
常见释义：
已经停机
1、Without the fees, Yahoos operating income would
have been down
only — yes, only — 28.6%.───如果没有这笔费用，雅虎的营运利润“只会”下降28.6%。
2、The two things that dont go together so well. oh! lighten up. You
have been down
on him since the beginning.───这两个东西可不能走一起，-多有激情。你从一开始就对他有歧视。
3、That allows for downtime of just 4.4 hours. Some sites
have been down
for nearly 36 hours now.───这就要求网站的停止时间只能有4.4小时，但是一些网站到现在停下已经不止36小时了。
4、So much so that they should
have been down
to nine immediately, then they made two 【such】 ugly and hard tackles that even I felt the damage.───在他们完成了两个如此丑陋和狠命的铲球后，连我都能感到对方的痛苦，那两人应该被立即罚下。
5、Equities
have been down
a touch most of the day and are moving down more this afternoon.───证券市场不断触及当日低点，而且下午跌势仍在继续。
6、Or the opposite: they
have been down
in Hell, surrounded by cries of agony, pain, engulfed by darkness.───或相反：他们是进了地狱，被痛苦的哭叫、黑暗所包围。
7、Mercury sales
have been down
recently, so Ford decided to end the line and focus more on its luxury Lincoln brand.───由于水星系列近来销量下降，福特决定停止此款车型的成产，更多地投入到林肯豪华品牌。
8、You
have been down
on him since the beginning.───你最开始还没他做得好
9、Except that revenues in the record industry
have been down
in recent years.───此外，近几年来，唱片业需缴的税收也在减少。
1、have been dead───已经死了
2、have you been───你有没有
3、l have been───我一直
4、have been to───v.曾经到过（去过）
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、have down───请…到(乡下或南方)作客
8、have been on───已经开始了
9、have been───已经；一直；去过（现在完成时）
2、
has been down什么时态？
has been down是现在完成时的被动语态，用于第三人称单数
例句：
He asks him how long Mike has been down
We have been down here 40 years.
我们搬到这里已经40年了。
have been done 是现在完成时中的被动结构。
其被动语态完整结构：
肯定式为：have/ has +been +done。
否定式为：have/ has +not +been +done。
现在完成时是“过去的动作或状态持续到现在并且已经完成”。在英语时态中，“时“指动作发生的时间，”态“指动作的样子和状态。
Most of the older buildings have been torn down and replaced by modern monstrosities.绝大部分旧建筑已被拆除，取而代之的是奇丑无比的现代建筑物。