如果你努力学习，也许能在考试中拿第一。

Rúguǒ nǐ nǔlì xuéxí, yěxǔ néng zài kǎoshì zhōng ná dìyī.

If you study hard, you might get first place in the exam.

也许明天会下雨，我们带把伞吧。

Yěxǔ míngtiān huì xiàyǔ, wǒmen dài bǎ sǎn ba.

Maybe it will rain tomorrow, so let's bring an umbrella.

他许诺一定会按时完成工作。

Tā xǔnuò yídìng huì ànshí wánchéng gōngzuò.

He promised that he would definitely finish the work on time.