他喜欢吃苹果， 则每天都吃一个。

Tā xǐ huān chī píng guǒ, zé měi tiān dōu chī yī gè.

He likes to eat apples, so he eats one every day.

如果你不去学习， 则不会取得好成绩。

Rú guǒ nǐ bù qù xué xí, zé bù huì qǔ dé hǎo chéng jì.

If you don't study, then you won't achieve good grades.

如果天气好， 则我们可以去公园玩。

Rú guǒ tiān qì hǎo, zé wǒ men kě yǐ qù gōng yuán wán.

If the weather is good, then we can go to the park to play.