are

[ɑ:]

v.是、在(系动词be的现在时、用于第二人称或复数)

例句与用法：

Don't cry, you are a big boy now.

别哭，你现在已经是大男孩了。

These people who were young fifty years back are now gray haired.

50年前的年轻人，现在已经白发苍苍了。

Dark clouds are a sign of rain or snow.

乌云是雨或雪将至的预兆。

There are 300 students or so in this middle school.

这所中学大约有300个学生。

Love and hate are extremes.

爱和恨是两个极端。

There are more than 5,000 adjectives in that dictionary.

那本词典中有5000多个形容词。

You are just saying that.

你只是说说而已。

Who do you think you are?

你以为你是谁？

详细释义：

vi.

(用于第二人称单复数现在时, 第一、三人称复数现在时)是[L]

We are freshmen and they are sophomores.

我们是一年级学生, 他们是二年级学生。

Are you from Singapore?

你是新加坡人吗?

v.aux.

(与v-ing连用构成现在进行时; 与v-ed连用构成被动语态)

They are asked to practice every day.

他们被要求每天练习。

How are you getting along with your classmates?

你和班上同学相处得如何?