英语应在与汉语的比较中学习。英语句子有一个“一二三规律”，即英语句子只有一个基本模式ＳＰ，ＳＰ通过第一级和第二级扩大而得到千千万万的句子，所有这些句子按其结果进行分类不外乎三个基本类型：简单句、并列句和复合句。掌握了英语的“一二三”规律，英语学习就能事半功倍。 English should be compared with Chinese. English sentences have a “one two three law”, that is, there is only one basic pattern of English sentences SP, SP by the first and second level to expand and get thousands of sentences, all of these results according to the classification is nothing more than Three basic types: simple sentences, parallel sentences and compound sentences. Mastered the English “one two three” law, English learning will be able to do more with less.