His parents are doctors.为什么谓语是are doctors 而不是are?为什么We study hard.的谓语却仅仅是study ,而不是study hard呢?

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Hisparentsaredoctors.为什么谓语是aredoctors而不是are?为什么Westudyhard.的谓语却仅仅是study,而不是studyhard呢?Hisparentsared

His parents are doctors.为什么谓语是are doctors 而不是are?为什么We study hard.的谓语却仅仅是study ,而不是study hard呢?
His parents are doctors.为什么谓语是are doctors 而不是are?
为什么We study hard.的谓语却仅仅是study ,而不是study hard呢?

His parents are doctors.为什么谓语是are doctors 而不是are?为什么We study hard.的谓语却仅仅是study ,而不是study hard呢?
英语简单句的基本成分:主语+谓语
主语是句子谈论的主题
谓语是说明主语怎么样了
谓语一般都是句子中主语以后的部分
谓语中的动词叫做谓语动词
在第一句中:be动词are是位于中的谓语动词 are doctors 才是谓语
第二句中：主语是We 谓语是study 这是一个主谓结构的简单句.hard是修饰成分而不是句子的基本成分 hard是来修饰谓语study的.学习很刻苦
有问题欢迎追问

谓语是are,
Doctors是表语
谓语是study
hard 是状语

这个句子里没有谓语

这是系动词和实义动词的区别
系动词，亦称连系动词（Link Verb）。作为系动词，它本身有词义，但不能单独用作谓语，后边必须跟表语，亦称补语（形容词），构成系表结构说明主语的状况、性质、特征等情况。
am are 等等都是系动词
具体请看百度百科下面有链接，你也可以百度系动词查看跟多内容，相信对你有帮助的。...

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这是系动词和实义动词的区别
系动词，亦称连系动词（Link Verb）。作为系动词，它本身有词义，但不能单独用作谓语，后边必须跟表语，亦称补语（形容词），构成系表结构说明主语的状况、性质、特征等情况。
am are 等等都是系动词
具体请看百度百科下面有链接，你也可以百度系动词查看跟多内容，相信对你有帮助的。

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his parents are hard on they are his parents改成一般疑问句 These ____ (watch) are from his parents. they are his parents改成一般疑问句 His parents are quite _(worry).为什么? Are these his parents?改为肯定句 Those are his parents改同义句 Those are his parents.（单数） His parents are quite __(worry). Are these his parents?(改为肯定句) His parents are English 改为同义句 His parents are both teachers.和His parents both are teachers.哪句才对? His parents are always w_____ about his health. His parents are always () about his health.越快越好, His parents are doctors.中的are doctors是什么语 His parents are very healthy.（改为同义句） His parents are_____ ______ ____ Tom and his parents live on a farm.his parents are farmers. _______ pleased with his homework.A．His both parents are B．His parents are both C．All his parents are D．His parents are all请讲明白