你好,as+形容词原级+人称代词,表示与.一样,什么时候用,问的很好.是用于做比较、而且有be动词存在的时候.比如：他没我优秀：He is not as good as me.=He is not so good as me.这是否定,肯定的,He is as tall as me....中间的as可以替换成so吗相等的，可以的啦。记得采纳哦