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smoking cigarettes is还是does harm to your health.

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:2024/05/16 08:41:38
smoking cigarettes is还是does harm to your health.
能说说为什么吗 不懂啊
smoking cigarettes is还是does harm to your health.
是smoking cigarettes does harm to your health
动名词短语作主语是单数意义,故用单三的谓语动词形式,还可以改写为一个主系表结构的句子:Smoking cigarettes is harmful to your health.注意,句中用了形容词的harmful作了表语了;而原句中的harm是名词,作了实意动词does的宾语了.