【both的用法】BOTH用法?neithernor的用法

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【答案】 1.both用法
　　1）adj.两者
　　一般单独修饰名词（复数）做前置定语（但名词前不能有其他限定词修饰）,不做表语/补足语.
　　如：There are many flowers on both sides of the street.
　　2）pron.两者
　　可以单独使用（相当于名词）,也可以构成“both of + 其他限定词 + 名词（复数）”或“both of + 代词”结构.
　　Both are my good friends.
　　Both of the boys over there are my good friends.
　　Both of them are my good friends.
　　3）adv.两者都
　　一般放在句中,即be动词之后/前均可,助动词/情态动词/行为动词之前.
　　They are both my classmates.
　　They both can play soccer well.
　　They both have a good son.
　　4）conj.不仅...而且...；...和...都...
　　一般构成both...and...结构,用于连接句中任意两个并列部分.
　　如果并列两个主语,谓语动词一般采用复数形式.
　　如：Both you and I are students.
　　I can speak both English and Chinese.
　　They can both sing and dance.
　　The boy is so lazy that he sleeps both in the daytime and at night.
　　2.neither...nor...既不...也不...
　　其用法类似于both...and...,即用于连接两个并列成分.
　　如果连接主语时,谓语动词的数采用就近原则.
　　如：Neither he nor his parents are at home.
　　She is neither Chinese nor Japanese.
　　She can speak neither English nor Chinese.