The boy's face is like his father's.既然已经有了Be 动词is了,那为什么还用动词l

The boy's face is like his father's.既然已经有了Be 动词is了,那为什么还用动词l The boy's face is like his father Who's going to look after the dog?请问,为什么要用is,go已经是谓语动词了,还要BE The boy is sitting on his father's k______. he is like his father 为什么like不加s he is like his father.为什么like不加s He is tall and he has big eyes 为什么用has不是已经有了be动词is了吗所以要用with He's shaving at eight o'clock.句中有动词shaving了 为什么还要用be动词is he 's name is bob 等不等于 he is name is bob 那不就有两个be动词了吗 The boy's ().His last name is (). The boy is nervous because he( ) his father's favorite vase. The little boy is r_ on his father's shoulder.根据首字母写单词