除去多出现在口语中的祈使句外，纵观英语各种书面语句式实际上大多属于前三种类型，或者说大多句型都是在此三种句型的基础上进行扩充的。由此，我们有理由相信，让绝大多数学习者掌握好最基本的三种句型从而有效地掌握符合句法规则的语句应该是可以实现的。

二、三种句型在复杂（长难句）句的例证

丰富多彩的各式句型实际上是建立在以上三种最基本的句型之上的变化。例如：

1. Whatever great achievements the future may have in store for China, it is likely that many of them will be born in northwestern Beijing. (P3, SEFC-SB2B)

2. One of the mottos for the park - “Relying on science, technology and knowledge to get increase economic power” -makes it clear that science and business can and must work together to build the future.

3. In 2000, Chinese scientists announced that they had completed their part of the international human genome project, proving that Chinese scientists are among the world’s best. (P7, SEFC-SB2B)

4. The breakthrough, made by scientists in Shanghai, gives hope to cancer patients all over the world and makes China one of the world leaders in the battle against the deadly disease. (P7, SEFC-SB2B)

通过以上句型的分析，我们很清楚地看到三种基本句型的核心要素就是--S, -V和-object 或adjuncts。从例句中我们不难看出，再长再难的句子都是围绕这三要素进行展开的，本文把这种规律称作核心要素中心原则(the principle of core-element center)。下面就这一原则在句子信息的扩充和简化方面的运用做一梳理。

编辑老师为大家整理了关于英语教育论文，供大家参考。

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