你上午有空吗?

Nǐ shàngwǔ yǒu kòng ma?

Do you have time in the morning?

我上午要上两节课。

Wǒ shàngwǔ yào shàng liǎng jié kè.

I have two classes this morning.

我上午有中文课。

Wǒ shàngwǔ yǒu Zhōngwén kè.

I have Chinese class in the morning.