句型转换是初中英语的一个重点 ,也是一个难点。初中阶段常见的句型转换有 :肯定句变一般疑问句 ,肯定句变否定句 ,对划线部分提问等等 ,在这众多的句型转换中 ,最基础的是肯定句变一般疑问句 ,肯定句变否定句 ,如何巧妙迅速地掌握它们之间的变换规律呢 ?方法一 :仔细观察原句中是否有 Sentence pattern conversion is a key point in junior high school English and it is also a difficult point. The common sentence patterns in the junior high school stage are: affirmative sentence change general question sentence, affirmative sentence change negative sentence, questioning underlined part, and so on. In this many sentence pattern conversion, the most basic is affirmative sentence change general question sentence, affirmative sentence Change the negative sentences, how to grasp the transformation rules between them ingeniously and quickly? Method one: Observe carefully whether there are