He needs to finish his homework this evening. 为什么是needs而不是need同上,谢谢

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/03 08:29:09
He needs to finish his homework this evening. 为什么是needs而不是need同上,谢谢

He needs to finish his homework this evening. 为什么是needs而不是need同上,谢谢
He needs to finish his homework this evening. 为什么是needs而不是need
同上,谢谢

He needs to finish his homework this evening. 为什么是needs而不是need同上,谢谢
今晚要完成作业,说明动作还没有发生,当然不能用过去时了
而need没有将来时结构,need to do本身表示需要做某事,说明这件事还没开始做..

need这里是实意动词
前面是第三人称

这里是实意动词
need做实意动词时有时态变化
只有做情态动词的时候没有变化

主语是第三人称