每种语言都有不同的语法。

Měi zhǒng yǔyán dōu yǒu bùtóng de yǔfǎ.

Every language has different grammar.

学语言的时候，语法很重要。

Xué yǔyán de shíhou, yǔfǎ hěn zhòngyào.

When learning a language, grammar is very important.

这篇文章很多语法错误。

Zhè piān wénzhāng hěn duō yǔfǎ cuòwù.

This article has many grammar mistakes.