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He has to do his homework at school 变否定

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/11/09 10:03:28
He has to do his homework at school 变否定
has体现三单,故借助助动词does
He doesn't have to do his homework at school.
再问: He have not do his homework at school ������ô���£�����
再答: have/has表示“有”时,或者在现在完成时“have/has+过去分词”结构中的have/has才是助动词,其余情况下常作实义动词,故需要借助助动词帮助否定。你的这个句子表达是错误的。