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he doesn't need to come if he feel sick

来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:英语作业 时间:2024/08/03 15:36:04
he doesn't need to come if he feel sick
为什么是doesn't need to come 而不是needn't to come
讲清为什么或语法知识
重点说明为什么doesn't need to come
he doesn't need to come if he feel sick
need既可以作实义动词,也可以做情态动词.当他做实义动词时,用need to do sth,当做情态动词时,其后直接加动词原形,你这个句子还可以用needn't come,而不是needn't to come.若不懂还可以问我,我一直在线.