括号里为什么不是are 而是is

问题描述:

括号里为什么不是are 而是is
Mr.Smith,along with his wife and tow children ,( ) going to South Africa to the World Cup in 2010.

Mr.Smith,along with his wife and tow children ,(is) going to South Africa to the World Cup in 2010.
在这句话中,真正的主语是Mr.Smith, along with his wife and tow children是伴随状语,这个伴随状语可以省略掉.省略掉之后还是一个完整的句子,Mr.Smith() going to South Africa to the World Cup in 2010,由于Mr.Smith是第三人称单数,所以括号里用is.
整句话的意思是,Mr.Smith带着他的妻子和两个孩子要去南非参加2010年的世界杯.
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