我们因为喜欢汉语，所以来中国学习。

Wǒmen yīnwèi xǐhuān Hànyǔ, suǒyǐ lái Zhōngguó xuéxí.

Because we like Chinese, we came to China to study.

因为太忙，他很久没休息了。

Yīnwèi tài máng, tā hěn jiǔ méi xiūxi le.

Because he is too busy, he hasn’t rested for a long time.

他因为生病，今天不来上班。

Tā yīnwèi shēngbìng, jīntiān bù lái shàngbān.

Because he is sick, he is not coming to work today.