昨zuó天tiān我wǒ没méi去qù上shàng班bān。

I did not go to work yesterday.

你nǐ昨zuó天tiān为wèi什shén么me不bù来lái？

Why did you not come yesterday?

昨zuó天tiān的de会huì议yì很hěn重zhòng要yào。

Yesterday's meeting was very important.

昨zuó天tiān的de电diàn影yǐng非fēi常cháng好hǎo看kàn。

Yesterday's film was very good.

我wǒ昨zuó天tiān买mǎi了liǎo一yī双shuāng新xīn鞋xié。

I bought a new pair of shoes yesterday.