Expressing “If... Then...” with “rúguǒ... jiù...”

如果明天下雨，我们就不去了。

Rúguǒ míngtiān xiàyǔ, wǒmen jiù bù qù le.

If it rains tomorrow, then we will not go.

如果你有问题，就问老师。

Rúguǒ nǐ yǒu wèntí, jiù wèn lǎoshī.

If you have questions, then ask the teacher.

如果太晚了，我就坐出租车回家。

Rúguǒ tài wǎn le, wǒ jiù zuò chūzūchē huí jiā.

If it gets too late, then I will take a taxi home.