为什么he doesn't do his homework,为何加do

2020-09-05 社会 72阅读
He doesn't do his homework.
他不做作业。
句中do是实意动词,意为“做”的意思,do his homework,“做他的作业”。
doesn't是助动词的否定形式,在句中协助完成对句子的否定。
声明:你问我答网所有作品(图文、音视频)均由用户自行上传分享,仅供网友学习交流。若您的权利被侵害,请联系fangmu6661024@163.com