are用在第二人称单数（you）和所有的复数（we，you，they）后面；is用在第三人称单数（he，she，it）后面。are的过去式是were，is的过去式是was。

相关介绍

They are one of this year's hot new bands.

他们是今年走红的新乐队之一。

We are still friends, though, which is good.

不过我们仍然是朋友，这令人感到欣慰。

Much of the form was not applicable to me.

表格中很多部分不适用于我。

She was not only intelligent but also very musical.

她不仅聪明，而且极具音乐天分。