are：
v./aux.是（be的第二人称单复数现在时，第一、三人称复数现在时）。
n.公亩(等于100平方米)。
现在分词： being.
过去式： were.
过去分词： been.
are的例句：
Those were the best years of my life.
那些年是我一生最幸福的时光。
扩展资料
We are still friends, though, which is good.
不过我们仍然是朋友，这令人感到欣慰。
There have been many changes in recent years.
近几年发生了许多变化。
There are still a few residual problems with the computer program.
电脑程序还有一些残留问题。
No new SARS cases have been reported in the region.
该区没有新增非典型肺炎病例。
A number of measures were taken to alleviate the problem.
采取了一系列措施缓解这个问题。
The two leaders are battling for control of the government.
两位领导人正在争夺政府控制权。
