在 · zài · to exist

现在八点半，再过十分就上课。

Xiànzài bā diǎn bàn, zài guò shí fēn jiù shàngkè.

It is eight thirty now; class starts in ten minutes.

去年我在北京，今年我在上海，明年我想去广州。

Qùnián wǒ zài Běijīng, jīnnián wǒ zài Shànghǎi, míngnián wǒ xiǎng qù Guǎngzhōu.

Last year I was in Beijing, this year I am in Shanghai, and next year I want to go to Guangzhou.

学校在这里，医院在那边。

Xuéxiào zài zhèlǐ, yīyuàn zài nàbiān.

The school is here, and the hospital is over there.

商店在学校前边，你可以去那里找老师。

Shāngdiàn zài xuéxiào qiánbian, nǐ kěyǐ qù nàlǐ zhǎo lǎoshī.

The shop is in front of the school; you can go there to look for the teacher.

学校外有一个小饭店，在楼下。

Xuéxiào wài yǒu yí ge xiǎo fàndiàn, zài lóuxià.

Outside the school there is a small restaurant downstairs.

我在车站看见老师，也听见他叫我。

Wǒ zài chēzhàn kànjiàn lǎoshī, yě tīngjiàn tā jiào wǒ.

I saw the teacher at the station and also heard him call me.

现在我在听音乐，这首歌很好听。

Xiànzài wǒ zài tīng yīnyuè, zhè shǒu gē hěn hǎotīng.

I am listening to music now; this song sounds very nice.

那些中学生在中学上课。

Nàxiē zhōngxuéshēng zài zhōngxué shàngkè.

Those middle-school students have class at the middle school.

我哥哥在公司工作，弟弟还是学生。

Wǒ gēge zài gōngsī gōngzuò, dìdi hái shì xuésheng.

My older brother works at a company, and my younger brother is still a student.