I don't have to wash the dishes after the dinner.这句话有什么错,怎么改?

问题描述:

I don't have to wash the dishes after the dinner.这句话有什么错,怎么改?

实在看不出有什么错,不过在情感上,我个人感觉改成:
I don't need to wash the dishes after the dinner.

I don't have to wash dishes after dinner.
去掉两个定冠词the,意思是:晚饭后我不必洗碗.