这些字你可能已经学过了。

Zhèxiē zì nǐ kěnéng yǐjīng xuéguòle.

You may have already studied these words.

他明天可能不来了。

Tā míngtiān kěnéng bù láile.

He may not come tomorrow.

加油站可能在购物中心旁边。

Jiāyóuzhàn kěnéng zài gòuwù zhōngxīn pángbiān.

The gas station might be next to the shopping mall.