You wash the dishes and I'll dry.

你洗盘子，我来擦干。

Must I wash the dishes at once?

我必须立刻洗盘子吗？

You never wash the dishes or cook.

你从不洗碗也不煮饭。

How often does Ann wash the dishes?

安多久洗一次碗？

Shall I wash the dishes?

我来洗碗好吗？