有 + 可能 / 可能 + Verb
可能 (kěnéng) means "possible" or "possibly" and can function as an adjective, adverb, or noun depending on the sentence. As an adjective, it often appears after 有 to form 有可能 (it is possible). As an adverb, it is placed before a verb to indicate something might happen.
他可能已经到家了,你打电话问问吧。
tā kěnéng yǐjīng dào jiā le, nǐ dǎ diànhuà wènwen ba.
He may have already arrived home; give him a call and ask.
这个方案可能需要更多时间来完成。
zhège fāng'àn kěnéng xūyào gèng duō shíjiān lái wánchéng.
This plan may need more time to complete.
明天可能会下雪,记得穿厚一点。
míngtiān kěnéng huì xiàxuě, jìde chuān hòu yīdiǎn.
It might snow tomorrow; remember to dress warmly.