上次我们一起去北京玩。

Shàngcì wǒmen yìqǐ qù Běijīng wán.

Last time we went to Beijing together for fun.

上次我没看见你。

Shàngcì wǒ méi kànjiàn nǐ.

I didn’t see you last time.

上次上课你没来。

Shàng cì shàngkè nǐ méi lái.

You didn’t come to class last time.