新建的球场比以前的干净多了。

Xīnjiàn de qiúchǎng bǐ yǐqián de gānjìng duō le.

The newly built court is much cleaner than the old one.

今天球场上一个人也没有。

Jīntiān qiúchǎng shàng yí gè rén yě méiyǒu.

There isn't a single person on the court today.

下雨的时候，球场就不能用了。

Xiàyǔ de shíhou, qiúchǎng jiù bù néng yòng le.

When it rains, the court can't be used.