你昨天睡得好吗?

Nǐ zuótiān shuì de hǎo ma?

Did you sleep well last night?

昨天下很大雨。

Zuótiān xià hěn dà yǔ.

It rained hard yesterday.

我昨天吃了日本菜。

Wǒ zuótiān chī le Rìběn cài.

Yesterday I ate Japanese food.