再过半年你就要毕业了。

Zài guò bànnián nǐ jiù yào bìyè le.

In another half year you will graduate.

我在中国住了半年。

Wǒ zài Zhōngguó zhù le bànnián.

I lived in China for half a year.

这半年你的中文进步很快。

Zhè bànnián nǐde Zhōngwén jìnbù hěn kuài.

In these six months your Chinese has improved very quickly.