形容词原级的肯定结构一般用be + as + 形容词 + as,否定结构一般用 be + not so + 形容词 + as 或者也可以用be + not + as + 形容词 + as ,例如:
He is as clever as the other boys. ; 他和其他男孩子一样聪明(肯定结构)
He is not so clever as the other boys. 他不如其他男孩子聪明(否定结构)
也可以表示为:
He is not as clever as the other boys. ;
形容词原级的肯定和否定结构
形容词原级的肯定结构前面不需要加什么成分,否定结构前面加not.