我给楼主举个例子吧
形容词的：How lucky you were that you got the ticket for NBA live show!你太幸运了,能拿到NBA现场的门票
副词的：How quickly he speaks when he gets nervous!他一紧张的时候讲话就非常快.
是用形容词还是副词,关键看它在句子里修饰的对象