They are't do their homework in the evening.(改错)是[他们晚上不做作业]的翻译,我觉得没错,可是老师说错了.哪里错了?急……

问题描述:

They are't do their homework in the evening.(改错)
是[他们晚上不做作业]的翻译,我觉得没错,可是老师说错了.哪里错了?
急……

aren't 改为don't ,因为DO 是实义动词,变否定句时要借助助动词don't