反义疑问句回答方法一直搞不懂啊,到底是根据句子本身意思回答,还是根据前半句作出判断,要期末了,最好举个例子,

回答方式和一般疑问句一样. 要根据前文的意思回答,不过是根据事实回答.例如,
Yaomin is a football player, isn't he? No, he isn't.(事实是他不是足球运动员,而是篮球运动员)
Yaomin isn't a football player, is he? No, he isn't.
Yaomin is a basketball player, isn't he? Yes, he is.
Yaomin isn't a basketball player, is he? Yes, he is.