An abrupt change within a sentence to a second construction inconsistent with the first, sometimes used for rhetorical effect; for example, I warned him that if he continues to drink, what will become of him?改变说法; 错格句子中与第一个语法结构不一致的突然出现的第二个结构,有时用于修辞效果; 例如,我警告过他,如果他继续喝酒的话将会有什么下场呢?