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注： 主语从句常用语以下句型中：
? It is believed that Indians were the first settlers in North America. 人们相信印第安人是北
美大陆最早的居民。
? It is said that our school will be rebuilt. 据说我们的学校将重建。
第十二单元 表语从句 （predicate clause)
什么是表语从句？
在整个句中作“表语”的句子叫做“表语从句”。表语从句放在 “be”后面。引导表语从句的连词有：“that, whether, if, what, which, when, where, how, why”。 例如： ? The truth is that he has damaged the computer. 事实是他损坏了电脑。 ? That’s why we were late. 这就是我们迟到的原因。
? The problem is who can help him out of his difficulties. 问题是谁能帮助他走出困境。 ? This book is just what I am looking for. 这就是我一直在寻找的那本书。
? What surprised me most is that the students were unusually quiet. 最使我感到惊讶的是学
生们异常安静。
第十三单元 同位语从句 (Appositive Clause)
什么是同位语从句？
在整个句中作“同位语”的句子叫做“同位语从句”。即：同位语从句跟在名词后面，与该名词有着“同等的概念”。引导同位语从句的连词有：“that, whether, who, which, what, when, where, how, why”。 例如：
? The fact that his health is falling is not true. 健康状况不佳情况不是真的。 ? I believed the fact that he was honest. 我相信他为人诚实这一事实。 ? I have no idea when she will be back. 我不知道她什么时候回来。 ? I doubt the report that the new film will be on show in the coming week. 我怀疑有关这部新影片下星期将上演的报道的真实性。
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