他下个月要回国了。

Tā xià gè yuè yào huíguó le.

He is going back to his country next month.

如果有机会，我想明年回国读书。

Rúguǒ yǒu jīhuì, wǒ xiǎng míngnián huíguó dúshū.

If I have a chance, I want to return to my country next year to study.

我回国的时候给你带点儿礼物。

Wǒ huíguó de shíhou gěi nǐ dài diǎnr lǐwù.

When I go back to my country, I’ll bring you some gifts.